IAPMO GUIDE CRITERIA FOR BALL VALVES IAPMO IGC PURPOSE

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1 INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS IAPMO GUIDE CRITERIA FOR BALL VALVES IAPMO IGC PURPOSE 1.1 The purpose of this standard is to establish an acceptable standard for ball valves for use in hot and cold water systems, steam systems, or fuel gas systems inside or outside of a building. This standard is not intended for manually operated gas valves for appliances, appliance connector valves and hose end valves. Its purpose is to serve as a guide for producers, distributors, architects, engineers, contractors, installers, inspectors and users; to promote understanding regarding materials, manufacture, and installation; and to provide a means for identifying ball valves that comply with this standard. 1.2 The provisions of this standard are not intended to prevent the use of any alternate material or method of construction, provided any such alternate meets the intent and requirements of this document and changes are amended to this standard. 2. SCOPE 2.1 This standard covers materials, testing, dimensional, and performance requirements for ball valves in sizes 1/8 through 4 (valve size equates to nominal pipe size in inches). 3. REFERENCED STANDARDS 3.1 All standards referenced herein shall be the current edition of that standard. ASSE 1061 ASTM A 694 ASTM A 959 ASME B ASME B16.18 ASME B16.22 ASTM B 62 Removable and Non-Removable Push-Fit Fittings Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Pipe Threads, General Purpose (Inch) Cast Copper Alloy Solder Joint Pressure Fittings Wrought Copper and Copper Alloy Solder Joint Pressure Fittings Composition Bronze or Ounce metal Castings Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 1 of 8

2 ASTM D 1599 ASTM D 1784 ASTM D 2464 ASTM D 2466 ASTM D 2467 ASTM D 2846 ASTM D 3350 ASTM F 437 ASTM F 438 ASTM F 439 ASTM F 1807 ASTM F 1974 CSA B137.1 CSA B137.3 CSA B137.5 CSA B137.6 CSA B137.9 CSA B IAPMO IGC 188 IAPMO PS 117 NSF/ANSI 61 Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing and Fittings Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds Threaded Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40 Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution Systems Polyethylene Plastics Pipe and Fittings Materials Threaded Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 Socket-Type Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 40 Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe Polyethylene Pipe, Tubing, and Fittings for Cold Water Pressure Services Rigid Polyvinyl Chloride (PVC) Pipe for Pressure Applications Crosslinked Polyethylene (PEX) Tubing Systems for Pressure Applications CPVC Pipe, Tubing, and Fittings for Hot and Cold Water Distribution Systems Polyethylene/Aluminum/Polyethylene Composite Pressure Pipe Systems Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe Systems Removable and Non-Removable Push Fit Fittings Press Type Copper and Copper Alloy Fittings for Installation on Copper Tubing Drinking Water System Components Health Effects 4. GENERAL REQUIREMENTS 4.1 Valve Body Materials. Ball valve bodies shall be made from brass, stainless steel, PVC, HDPE, CPVC or other corrosion resistant materials. Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 2 of 8

3 4.2 Valve Working Parts. All valve working parts including ball, seals, packing and o-rings, shall be made from corrosion resistant materials. 4.3 Full Ported. Unless otherwise identified, all ball valves manufactured in accordance with this standard shall be full ported. All PVC ball valves shall meet the minimum allowable inside pipe diameter requirements identified in ASTM D 2467, D 2466, or D 2464 and CSA B137.3 to be considered full ported. All CPVC ball valves shall meet minimum allowable inside pipe diameter requirements identified in ASTM D 2846, F 437, F 438, or F 439 and CSA B137.6 to be considered full ported. All other ball valves must meet requirements of Table 1 to be considered full ported. Reduced port ball valves must be clearly and permanently marked with Reduced Flow or RF on the valve body. Table 1 Nominal Valve Size Minimum Opening Dia. (inches) (inch) 1/ / / / / / / / / Seals. O-ring seals and gaskets shall be of such design and quality to assure leak-proof joints and be capable of providing satisfactory field service. O-ring and gasketed joints shall provide for external leak tightness up to the minimum burst pressure of the valves. 4.5 Sealing. Valves shall be designed for bi-directional, drip tight sealing capability at any pressure up to the full rated working pressure of the valve. 4.6 HDPE Ball Valve Design HDPE Working Pressure. Minimum burst pressure of the HDPE valves shall be 5 times the valve rated working pressure when tested according to ASTM D When burst tested with commercially available HDPE pipe of equivalent SDR, the valves shall not experience any failure prior to failure of the pipe. The currently accepted HDB (hydrostatic design basis) for HDPE pipe operating at 73 F and lower is 1600 psi. Appropriate HDB reduction shall be made for temperatures above 73 F. Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 3 of 8

4 4.6.2 HDPE Working Temperature. The HDPE valves shall be designed for use in cold water applications at temperatures from non-freezing to 110 F (43 C). Valves shall not experience damage due to freezing water, but are not expected to be operable during such conditions HDPE End Connections. All HDPE ball valves shall be provided with stub ends of equivalent diameter and wall thickness as the pipe to which they are intended to be attached. The stub ends shall be of length suitable to allow installation by means of butt fusion, socket fusion (using commercially available couplings), or electrofusion (using commercially available couplings) and by mechanical couplings (using commercially available couplings) HDPE Ball Valve Operating Nut. Valves shall be provided with an operating nut operable with a 2 inch square socket wrench. Additionally, valves smaller than 2 inch shall be operable with curb-key type wrenches in addition to 2 inch square socket wrenches. Lever wrench handles shall be available for use with the valves when installed above ground. 4.7 Underground Installation. Valves shall be designed to allow for buried installation. 4.8 Press/Crimp Joints. Press or crimp joint connections to copper tubes shall comply with the testing requirements of Sections (Bending Test) and (Vibration Test) of IAPMO PS Push Fitting Connections. Push fittings connections shall comply with the applicable requirements in IAPMO IGC 188 or ASSE Metal Insert Fitting Connections. Metal insert fitting connections to PEX tubing or fittings shall comply with the requirements in ASTM F 1807 and CSA B Metal insert fitting connections to PE-AL-PE tubing or fittings or PEX-AL-PEX tubing or fittings shall comply with the requirements in ASTM F 1974, CSA B137.9, and CSA B DIMENSIONS and TOLERANCES 5.1 Pipe Threads. Pipe threads shall conform to ASME B Solvent Welded Joints. PVC solvent weld sockets shall comply with the dimensional requirements of ASTM D 2466 and CSA B CPVC solvent weld sockets shall comply with the dimensional requirements of ASTM D 2846 and CSA B Soldered Joints. Solder joint ends for connection to copper tube or copper tube fittings shall comply with the dimensional requirements of ANSI B16.18 or ASME B Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 4 of 8

5 6. MATERIALS 6.1 HDPE. HDPE plastic compound used to make HDPE valves shall meet the requirements of class PE C as listed in ASTM D 3350 and CSA B All HDPE resin used to manufacture valves must have Plastic Pipe Institute listed 100,000 hr strength value (HDB) and pressure rating HDPE Rework Material. Clean rework HDPE material shall only be used provided it is generated from the molded item manufacturer, has not been mixed in any way with other materials, and has not been subjected to processing sufficient to lower any of the minimum properties required by the cell classification given in Materials containing contaminants from other base materials or elastomerics shall not be used in the manufacture of valves or appurtenances under this standard. 6.2 PVC. Virgin PVC plastic compound used to make ball valve bodies or components shall meet or exceed the requirements of Class or as defined in ASTM D 1784 and CSA B CPVC. Virgin CPVC plastic compound used to make ball valve bodies or components shall meet or exceed the requirements of Class or as defined in ASTM D 1784 and CSA B Copper Alloys. Copper alloys used to make ball valve bodies or components for shall contained minimum 58% copper content and maximum 8% lead content. 6.5 Stainless Steel. Stainless steel alloys used to make ball valve bodies or components in contact with potable water shall meet or exceed the requirements of ASTM B 959 Alloy S30400, S30403, S31600, or S Steel. Carbon steel and steel alloys used to make ball valve bodies or components shall meet or exceed the requirements of ASTM A Material Toxicity. All materials that will contact potable water shall comply with NSF/ANSI TESTING REQUIREMENTS 7.1 Burst Strength Test. Ball valves shall withstand an internal hydrostatic pressure of 1.5 times the rated working pressure of the valve at 73 F ± 3.6 F. The valve shall be filled with water completely and all air flushed from inside the valve. The pressure shall be applied to the inlet with the outlet blocked and the valve open Performance Requirement. Any permanent distortion, cracking, or failure of the pressure envelope shall be deemed as a failure to meet this requirement. 7.2 Valve Closure Test. Ball valves shall not leak at any test pressure up to and including 125 psig or the valve rated working pressure, whichever is greater. The valve shall be Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 5 of 8

6 filled with water completely and all air flushed from inside the valve. The pressure shall be applied at the inlet for 5 minutes with the valve closed. Valves shall be tested from both directions. The torque required to close the valve shall not exceed the values shown in Table Performance Requirements. Any leakage of the valve shall be deemed a failure to meet this requirement. Any force in excess of the values shown in Table 2 to open or close the valve shall be deemed a failure. Table 2 Torque Limits for Valve Closure Test and Handle Security Nominal Inlet Pipe Nominal Inlet Tubing Maximum Torque Minimum Handle Size, inches Size, inches inch pounds (N m) Security Torque foot pounds (N*m) 1/8 3/16-5/16 60 (6.8) 5 1/ (6.8) 5 3/8 3/8-7/16 60 (6.8) 5 1/2 & 3/4 1/2-5/8 150 (17) (22.6) / (28.3) / (36.2) (56.5) / (67.8) (90.4) (113) Handle Security Test. Ball valve handles shall be secured in such a manner that they can be removed from service using hand tools. The handle shall withstand minimum handle security torque as specified in Table 2 or two times the torque required to close/open the valve, which ever is greater, for 20 seconds without fracturing or rendering the handle unable to open and close the valve Performance Requirement. Any fracturing or breakage of the valve handle, attaching hardware or valve stem shall be deemed a failure to meet this requirement. In addition, any distortion of the handle, attaching hardware, or stem such that the valve cannot be opened and closed shall be deemed a failure to meet this requirement. 7.4 Life Cycle Test. Ball valves shall be subjected to a life cycle test for 5,000 cycles. After completion of the life cycle test the valve must pass the hydrostatic test described under section 7.2 (Valve Closure Test) of this standard. In addition, the torque necessary to open and close the valve following the life test shall not exceed the values shown in Table 2. Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 6 of 8

7 7.4.1 Procedure. Water shall be supplied to the ball valve at 145 F ± 5 F. Flowing pressure of the water supply shall be 52 ± 3 psig measured at the inlet of the valve. One cycle shall consist of the closed valve being opened and then closed again, one time. The cycling rate shall be 600 cycles per hour minimum. The test apparatus shall apply sufficient torque to open and close the valve throughout the test, but shall in no case exceed the values shown in Table 2. Note: Ball valves intended for cold water application (<145 F) only should be tested with 60 F ± 10 F water Performance Requirement. Failure to pass the hydrostatic test after completion of the life cycle test shall be deemed as a failure to meet this requirement. Also, an opening or closing torque in excess of the values shown in Table 2, following the life cycle test, shall be deemed as a failure to meet this requirement. 7.5 Temperature Extreme Test. Ball valve intended for use with hot water shall withstand a water temperature of 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater, for 30 minutes without failure of the pressure envelope Procedure. Connect the ball valve to a water supply of the appropriate temperature at a flowing pressure of 125 ± 5 psig or the rated working pressure of the valve, whichever is higher. Flow shall be maintained through the valve to maintain the supply temperature of the water passing through the valve for the duration of the test. A shutoff valve may be connected to the outlet of the valve to reduce the flow through the valve if desired. The temperature and pressure shall be maintained for 30 minutes. Alternate Test Procedure. Connect one side of the ball valve to water supply and a shut off valve to the side of the ball valve. The ball valve shall be filled with water at 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater. The ball valve shall then be immersed in a constant temperature bath maintained at 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater. The ball valve shall be pressurized to 125 ± 5 psig or the rated working pressure of the valve (the ball valve shall be in open position and the shut off valve closed) and held at that temperature and pressure for 30 minutes Performance Requirement. The ball valve shall be considered to have failed if: a) It leaks during the test: and b) It leaks after the test when a pressure of 125 psig or the rated working pressure of the valve, whichever is greater, is applied to the valve in a closed position. Valves shall be tested from both directions. 8. MARKING AND IDENTIFICATION 8.1 Markings. Each valve shall be permanently and legibly marked with following information: (a) Manufacturer's name or trademark; Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 7 of 8

8 (b) (c) (d) (e) (f) Nominal valve size; Rated working pressure; Valves rated for steam service shall bear the word steam rated steam pressure, i.e. XXX WSP ; Reduced port valves which do not meet the full flow requirements of Table 1 shall be marked with the letters RF (to indicate reduced dimensions) cast into the body; Ball valves intended for cold water application only or do not meet the requirements of section 7.5, shall be marked to indicate Cold Only. Adopted: June 2000 Revised: November 2000, April 2002, November 2003, March 2004, May 2004, September 2004, February 2005, December 2005, February 2006, February 2007 Copyright by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 8 of 8

9 INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS IAPMO GUIDE CRITERIA FOR BALL VALVES IAPMO IGC PURPOSE 1.1 The purpose of this standard is to establish an acceptable standard for ball valves for use in hot and cold water systems, steam systems, or fuel gas systems inside or outside of a building. This standard is not intended for manually operated gas valves for appliances, appliance connector valves and hose end valves. Its purpose is to serve as a guide for producers, distributors, architects, engineers, contractors, installers, inspectors and users; to promote understanding regarding materials, manufacture, and installation; and to provide a means for identifying ball valves that comply with this standard. 1.2 The provisions of this standard are not intended to prevent the use of any alternate material or method of construction, provided any such alternate meets the intent and requirements of this document and changes are amended to this standard. 2. SCOPE 2.1 This standard covers materials, testing, dimensional, and performance requirements for ball valves in sizes 1/8 through 4 (valve size equates to nominal pipe size in inches). 3. REFERENCED STANDARDS 3.1 All standards referenced herein shall be the current edition of that standard. ASSE 1061 ASTM A 694 ASTM A 959 ASME B ASME B16.18 ASME B16.22 ASTM B 62 Removable and Non-Removable Push-Fit Fittings Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Pipe Threads, General Purpose (Inch) Cast Copper Alloy Solder Joint Pressure Fittings Wrought Copper and Copper Alloy Solder Joint Pressure Fittings Composition Bronze or Ounce metal Castings Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 1 of 8

10 ASTM D 1599 ASTM D 1784 ASTM D 2464 ASTM D 2466 ASTM D 2467 ASTM D 2846 ASTM D 3350 ASTM F 437 ASTM F 438 ASTM F 439 ASTM F 1807 ASTM F 1974 CSA B137.1 CSA B137.3 CSA B137.5 CSA B137.6 CSA B137.9 CSA B IAPMO IGC 188 IAPMO PS 117 NSF/ANSI 61 Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing and Fittings Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds Threaded Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40 Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution Systems Polyethylene Plastics Pipe and Fittings Materials Threaded Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 Socket-Type Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 40 Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe Polyethylene Pipe, Tubing, and Fittings for Cold Water Pressure Services Rigid Polyvinyl Chloride (PVC) Pipe for Pressure Applications Crosslinked Polyethylene (PEX) Tubing Systems for Pressure Applications CPVC Pipe, Tubing, and Fittings for Hot and Cold Water Distribution Systems Polyethylene/Aluminum/Polyethylene Composite Pressure Pipe Systems Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe Systems Removable and Non-Removable Push Fit Fittings Press Type Copper and Copper Alloy Fittings for Installation on Copper Tubing Drinking Water System Components Health Effects 4. GENERAL REQUIREMENTS 4.1 Valve Body Materials. Ball valve bodies shall be made from brass, stainless steel, PVC, HDPE, CPVC or other corrosion resistant materials. Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 2 of 8

11 4.2 Valve Working Parts. All valve working parts including ball, seals, packing and o-rings, shall be made from corrosion resistant materials. 4.3 Full Ported. Unless otherwise identified, all ball valves manufactured in accordance with this standard shall be full ported. All PVC ball valves shall meet the minimum allowable inside pipe diameter requirements identified in ASTM D 2467, D 2466, or D 2464 and CSA B137.3 to be considered full ported. All CPVC ball valves shall meet minimum allowable inside pipe diameter requirements identified in ASTM D 2846, F 437, F 438, or F 439 and CSA B137.6 to be considered full ported. All other ball valves must meet requirements of Table 1 to be considered full ported. Reduced port ball valves must be clearly and permanently marked with Reduced Flow or RF on the valve body. Table 1 Nominal Valve Size Minimum Opening Dia. (inches) (inch) 1/ / / / / / / / / Seals. O-ring seals and gaskets shall be of such design and quality to assure leak-proof joints and be capable of providing satisfactory field service. O-ring and gasketed joints shall provide for external leak tightness up to the minimum burst pressure of the valves. 4.5 Sealing. Valves shall be designed for bi-directional, drip tight sealing capability at any pressure up to the full rated working pressure of the valve. 4.6 HDPE Ball Valve Design HDPE Working Pressure. Minimum burst pressure of the HDPE valves shall be 5 times the valve rated working pressure when tested according to ASTM D When burst tested with commercially available HDPE pipe of equivalent SDR, the valves shall not experience any failure prior to failure of the pipe. The currently accepted HDB (hydrostatic design basis) for HDPE pipe operating at 73 F and lower is 1600 psi. Appropriate HDB reduction shall be made for temperatures above 73 F HDPE Working Temperature. The HDPE valves shall be designed for use in cold water applications at temperatures from non-freezing to 110 F (43 C). Valves shall not Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 3 of 8

12 experience damage due to freezing water, but are not expected to be operable during such conditions HDPE End Connections. All HDPE ball valves shall be provided with stub ends of equivalent diameter and wall thickness as the pipe to which they are intended to be attached. The stub ends shall be of length suitable to allow installation by means of butt fusion, socket fusion (using commercially available couplings), or electrofusion (using commercially available couplings) and by mechanical couplings (using commercially available couplings) HDPE Ball Valve Operating Nut. Valves shall be provided with an operating nut operable with a 2 inch square socket wrench. Additionally, valves smaller than 2 inch shall be operable with curb-key type wrenches in addition to 2 inch square socket wrenches. Lever wrench handles shall be available for use with the valves when installed above ground. 4.7 Underground Installation. Valves shall be designed to allow for buried installation. 4.8 Press/Crimp Joints. Press or crimp joint connections to copper tubes shall comply with the testing requirements of Sections (Bending Test) and (Vibration Test) of IAPMO PS Push Fitting Connections. Push fittings connections shall comply with the applicable requirements in IAPMO IGC 188 or ASSE Metal Insert Fitting Connections. Metal insert fitting connections to PEX tubing or fittings shall comply with the requirements in ASTM F 1807 and CSA B Metal insert fitting connections to PE-AL-PE tubing or fittings or PEX-AL-PEX tubing or fittings shall comply with the requirements in ASTM F 1974, CSA B137.9, and CSA B DIMENSIONS and TOLERANCES 5.1 Pipe Threads. Pipe threads shall conform to ASME B Solvent Welded Joints. PVC solvent weld sockets shall comply with the dimensional requirements of ASTM D 2466 and CSA B CPVC solvent weld sockets shall comply with the dimensional requirements of ASTM D 2846 and CSA B Soldered Joints. Solder joint ends for connection to copper tube or copper tube fittings shall comply with the dimensional requirements of ANSI B16.18 or ASME B MATERIALS Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 4 of 8

13 6.1 HDPE. HDPE plastic compound used to make HDPE valves shall meet the requirements of class PE C as listed in ASTM D 3350 and CSA B All HDPE resin used to manufacture valves must have Plastic Pipe Institute listed 100,000 hr strength value (HDB) and pressure rating HDPE Rework Material. Clean rework HDPE material shall only be used provided it is generated from the molded item manufacturer, has not been mixed in any way with other materials, and has not been subjected to processing sufficient to lower any of the minimum properties required by the cell classification given in Materials containing contaminants from other base materials or elastomerics shall not be used in the manufacture of valves or appurtenances under this standard. 6.2 PVC. Virgin PVC plastic compound used to make ball valve bodies or components shall meet or exceed the requirements of Class or as defined in ASTM D 1784 and CSA B CPVC. Virgin CPVC plastic compound used to make ball valve bodies or components shall meet or exceed the requirements of Class or as defined in ASTM D 1784 and CSA B Copper Alloys. Copper alloys used to make ball valve bodies or components for shall contained minimum 58% copper content and maximum 8% lead content. 6.5 Stainless Steel. Stainless steel alloys used to make ball valve bodies or components in contact with potable water shall meet or exceed the requirements of ASTM B 959 Alloy S30400, S30403, S31600, or S Steel. Carbon steel and steel alloys used to make ball valve bodies or components shall meet or exceed the requirements of ASTM A Material Toxicity. All materials that will contact potable water shall comply with NSF/ANSI TESTING REQUIREMENTS 7.1 Burst Strength Test. Ball valves shall withstand an internal hydrostatic pressure of 1.5 times the rated working pressure of the valve at 73 F ± 3.6 F. The valve shall be filled with water completely and all air flushed from inside the valve. The pressure shall be applied to the inlet with the outlet blocked and the valve open Performance Requirement. Any permanent distortion, cracking, or failure of the pressure envelope shall be deemed as a failure to meet this requirement. 7.2 Valve Closure Test. Ball valves shall not leak at any test pressure up to and including 125 psig or the valve rated working pressure, whichever is greater. The valve shall be filled with water completely and all air flushed from inside the valve. The pressure shall be applied at the inlet for 5 minutes with the valve closed. Valves shall be tested from Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 5 of 8

14 both directions. The torque required to close the valve shall not exceed the values shown in Table Performance Requirements. Any leakage of the valve shall be deemed a failure to meet this requirement. Any force in excess of the values shown in Table 2 to open or close the valve shall be deemed a failure. Table 2 Torque Limits for Valve Closure Test and Handle Security Nominal Inlet Pipe Nominal Inlet Tubing Maximum Torque Minimum Handle Size, inches Size, inches inch pounds (N m) Security Torque foot pounds (N*m) 1/8 3/16-5/16 60 (6.8) 5 1/ (6.8) 5 3/8 3/8-7/16 60 (6.8) 5 1/2 & 3/4 1/2-5/8 150 (17) (22.6) / (28.3) / (36.2) (56.5) / (67.8) (90.4) (113) Handle Security Test. Ball valve handles shall be secured in such a manner that they can be removed from service using hand tools. The handle shall withstand minimum handle security torque as specified in Table 2 or two times the torque required to close/open the valve, which ever is greater, for 20 seconds without fracturing or rendering the handle unable to open and close the valve Performance Requirement. Any fracturing or breakage of the valve handle, attaching hardware or valve stem shall be deemed a failure to meet this requirement. In addition, any distortion of the handle, attaching hardware, or stem such that the valve cannot be opened and closed shall be deemed a failure to meet this requirement. 7.4 Life Cycle Test. Ball valves shall be subjected to a life cycle test for 5,000 cycles. After completion of the life cycle test the valve must pass the hydrostatic test described under section 7.2 (Valve Closure Test) of this standard. In addition, the torque necessary to open and close the valve following the life test shall not exceed the values shown in Table Procedure. Water shall be supplied to the ball valve at 145 F ± 5 F. Flowing pressure of the water supply shall be 52 ± 3 psig measured at the inlet of the valve. One cycle shall consist of the closed valve being opened and then closed again, one time. The cycling Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 6 of 8

15 rate shall be 600 cycles per hour minimum. The test apparatus shall apply sufficient torque to open and close the valve throughout the test, but shall in no case exceed the values shown in Table 2. Note: Ball valves intended for cold water application (<145 F) only should be tested with 60 F ± 10 F water Performance Requirement. Failure to pass the hydrostatic test after completion of the life cycle test shall be deemed as a failure to meet this requirement. Also, an opening or closing torque in excess of the values shown in Table 2, following the life cycle test, shall be deemed as a failure to meet this requirement. 7.5 Temperature Extreme Test. Ball valve intended for use with hot water shall withstand a water temperature of 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater, for 30 minutes without failure of the pressure envelope Procedure. Connect the ball valve to a water supply of the appropriate temperature at a flowing pressure of 125 ± 5 psig or the rated working pressure of the valve, whichever is higher. Flow shall be maintained through the valve to maintain the supply temperature of the water passing through the valve for the duration of the test. A shutoff valve may be connected to the outlet of the valve to reduce the flow through the valve if desired. The temperature and pressure shall be maintained for 30 minutes. Alternate Test Procedure. Connect one side of the ball valve to water supply and a shut off valve to the side of the ball valve. The ball valve shall be filled with water at 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater. The ball valve shall then be immersed in a constant temperature bath maintained at 180 F ± 5 F, or the manufacture s maximum rated temperature, whichever is greater. The ball valve shall be pressurized to 125 ± 5 psig or the rated working pressure of the valve (the ball valve shall be in open position and the shut off valve closed) and held at that temperature and pressure for 30 minutes Performance Requirement. The ball valve shall be considered to have failed if: a) It leaks during the test: and b) It leaks after the test when a pressure of 125 psig or the rated working pressure of the valve, whichever is greater, is applied to the valve in a closed position. Valves shall be tested from both directions. 8. MARKING AND IDENTIFICATION 8.1 Markings. Each valve shall be permanently and legibly marked with following information: (a) (b) (c) Manufacturer's name or trademark; Nominal valve size; Rated working pressure; Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 7 of 8

16 (d) (e) (f) Valves rated for steam service shall bear the word steam rated steam pressure, i.e. XXX WSP ; Reduced port valves which do not meet the full flow requirements of Table 1 shall be marked with the letters RF (to indicate reduced dimensions) cast into the body; Ball valves intended for cold water application only or do not meet the requirements of section 7.5, shall be marked to indicate Cold Only. Adopted: June 2000 Revised: November 2000, April 2002, November 2003, March 2004, May 2004, September 2004, February 2005, December 2005, February 2006, February 2007 Copyright 2007 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in an electronic retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. IGC Ball Valves 8 of 8

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