Mark 608. Gas Pressure Regulators. Pressure Regulators Mark 608 Gas Pressure Regulators SPECIFICATIONS (3/4-1-1/4 ) FEATURES 3/4-1-1/4

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1 Mark Gas Pressure Regulators 3/4-1-1/4 The MK Gas Pressure Regulator is the ideal valve for low pressure gas regulation. The self-contained low pressure gas regulator is for use on tank blanketing, gas meter inlet pressure regulating, gas burners and other low pressure air and gas applications. The MK is normally open. Increases in the outlet pressure are sensed through the aspirator causing the large elastomer diaphragm to rise, which moves the plug toward the seat. s outlet pressure decreases, the diaphragm moves down and moves the plug away from the seat to increase flow. The lever, which connects the stem to the diaphragm, amplifies diaphragm forces for tighter shutoff (only available on sizes 3/4 through 1-1/4 ). The large diaphragm and lever actuation allows the MK to act with higher sensitivity and more amplified forces over that of the typical diaphragm/stem connection. High sensitivity is important, as the MK often works with very low pressure (down to 1 or,5 ). This special actuation improves the accuracy and shutoff of the valve - two important benefits in this style of regulator. FETURES Inlet pressures up to 150 (10 ) Rugged, heavy-duty design emergency outlet pressure may reach 100% of inlet pressure without damaging valve 360 body orientation valve can be installed in any position, and can be easily repositioned while in-line Easy maintenance seat and plug can be inspected without removing body from the line ompletely self-operated no external power source required Tight shutoff soft elastomer plug provides NSI lass VI shutoff SPEIFITIONS (3/4-1-1/4 ) Line Sizes: 3/4 (N0), 1 (N5), 1-1/4 (N3) End onnections Threaded N, S, SPP Flanged 150#, 300#, PN16, PN40 Materials ody & Housing: uctile Iron, arbon Steel (16, ), Stainless Steel (35/F8M) Seat: rass (I body); Stainless Steel (S/SS body) Plug: rass and una-n (I body); Stainless Steel and Viton (S & SS body) iaphragm: una-n/nylon (I body); Viton (S & SS body) spirator Tube: cetal Service: ir or gas Shutoff: NSI lass VI Temperature Range: -0 F (-9 ) to 00 F (93 ) Maximum Inlet Pressure: 150 (10 ) Reduced Pressure ontrol Range: 1.0 to.5 inches (,5 to 6, ).0 to 5.5 inches (5,0 to 13,7 ) 4.0 to 10.0 inches (10,0 to 4,9 ) 5.0 to 30.0 inches (1,4 to 74,7 ) 0.5 to 1.75 g (0,03 to 0,1 ) 1.0 to 3.5 g (0,07 to 0,4 ) Orifice Sizes (Interchangeable) 1/8 (3mm), 3/16 (5mm), 1/4 (6mm), 5/16 (8mm), 3/8 (10mm), 7/16 (11mm), 1/ (13mm), 9/16 (14mm) Jordan Valve, a ivision of Richards Industries 3170 Wasson Road incinnati, Ohio 4509 Telephone Fax Toll-FreeTelphone: (U. S.. & anada) info@richardsind.com URL: Pressure Regulators Mark Gas Pressure Regulators

2 IMENSIONS (3/4-1-1/4 ) /4 N E nds 3 /4" (N0) 1 " (N5) 1-1/4" (N3) 150FE 7.5" ( 184mm) 7.5" ( 184mm) 7.5" (184mm) 300FE 7.50" ( 191mm) 7.50" ( 191mm) 7.50" (191mm) 150FE ( 87mm) ( 87mm) (87mm) 300FE ( 87mm) ( 87mm) (87mm) LL/TE 3.88" 3.88" 3.88" (99mm) LL 5.75" ( 146mm) 5.75" ( 146mm) 5.75" (146mm) ORER SHEMTI (3/4-1-1/4 ) How to order a MK Series Gas Pressure Regulator (3/4-1-1/4 ) I / O1S 1 Model Model Size Inches N 075 3/4" N " N /4" N3 3 ody Material I uctile Iron S arbon Steel S6 Stainless Steel 4 1 & End onnections N T S P SPP SW FSW F5 150#FE F3 300# FE F6 PN16 F7 PN & 4 Orifice inches mm 01 1/8" 3mm 0 3/16" 5mm 03 1/4" 6mm 04 5/16" 8mm 05 3/8" 10mm 06 7/16" 11mm 07 1/" 13mm 9/16" 14mm 6 5 & 6 Range 01S 1-.5",5-6, 0S -5.5" 5,0-13,7 03S 4-10" 10,0-4,9 04S 5-30" 1,4-74,7 05S ,03-0,1 06S ,07-0,4

3 The 1-1/ & size MK valves are for use on large tank blanketing applications or other low pressure gas regulation. In a tank blanketing application, the Mark is used to control the flow of the blanketing gas into the tank to maintain the proper positive pressure. Once the blanket has been established, a small flow of nitrogen is continually admitted to the tank to keep the blanket fresh. These valves are often used in conjunction with Jordan s MK 5 ack Pressure Gas Regulator, used to vent gas from the tank to prevent blanketing pressure from rising to a level that could damage the tank. The MK comes standard with an extra large diaphragm to give set point control as low as.0 (4,98 ). In addition, the S pattern body design allows for high flow capacity and also gives the option of having bubble tight shutoff. SPEIFITIONS (1-1/ - ) Line Sizes: 1-1/ (N40), (N50) End onnections Threaded N, S, SPP Flanged 150#, 300# Others upon request Materials ody: ronze (61), arbon (), Stainless Steel (F8M) Trim: 316 Stainless Steel Seat: 316 Stainless Steel iaphragm: una - N, Viton, and EPM with Polyester reinforcement Shutoff: NSI lass VI Ranges: to 5 inches (4,98 to 1,5 ) 4 to 8 inches (9,96 to 19,93 ) 8 to 8 inches (19,93 to 69,75 ) 10 to 17 inches (4,91 to 4,35 ) 14 to 8 inches (34,87 to 69,75 ) 0.75 to 1 (51,71 to 68,95 ) 1 to (68,95 to,90 ) 1.5 to 3 (0,10 to 0,1 ) 3 to 5 (0,1 to 0,34 ) v Rating: 3 (0 Kv) Pressure Temperature Rating: 100 F 7,8 ), 75 F 135 ) Maximum Pressure rop: 5 g (1,7 ) 3/4 FN Sensing Port IMENSIONS (1-1/ - 150# IFE) IMENSIONS (1-1/ - N) Flow Flow 1-1/" (N40) " (N50) 8.75" ( mm) (54mm) 4.93" ( 15mm) 4.93" (15mm) 1.3" 1.3" (99mm) ( 381mm) (381mm) 1-1/" (N40) " (N50) 6.75" ( 171mm) 6.75" (171mm) 4.93" ( 15mm) 4.93" (15mm) 1.3" 1.3" (99mm) ( 381mm) (381mm)

4 1-1/ MK FLOW PITIES Inlet Pressure Range Set Point ccuracy (0,14 ) (0,1 ) (0,34 ) (0,69 ) (1,03 ).0-5.0" 3.0" 0.75" ,98-1,5 7,47 1, (1,38 ) (1,7 ) " 9,96-19, " 19,93-69, " 4,91-4, " 34,87-69, ,71-68, ,95 -, ,10-0,1 5.0" " 7.0" , ,49 17, " " 5.0" , ,74 6, " " , ,98 37, " 5.0" , ,3 6, , ,93 68, , ,69 0, , ,50 0, ,1-0, , ,38 0, Nitrogen at 0.97 s.g. in scfh and Nm 3 /hr Operation in shaded areas not recommended

5 MK FLOW PITIES Inlet Pressure Range Set Point ccuracy (0,14 ) (0,1 ) (0,34 ) (0,69 ) (1,03 ).0-5.0" 3.0" 0.75" ,98-1,5 7,47 1, (1,38 ) (1,7 ) " 9,96-19, " 19,93-69, " 4,91-4, " 34,87-69, ,71-68, ,95 -, ,10-0,1 5.0" " 7.0" , ,49 17, " " 5.0" , ,74 6, " " , ,98 37, " 5.0" , ,3 6, , ,93 68, , ,69 0, , ,69 0, ,1-0, , ,38 0, Nitrogen at 0.97 s.g. in scfh and Nm 3 /hr Operation in shaded areas not recommended

6 MK/110/3K/ ORER SHEMTI How to order a MK Series Gas Pressure Regulator (1-1/ - ) S / VN S TF 1 Model Model Size Inches N /" N40 00 " N50 3 ody Material R ronze S arbon Steel () S 6 Stainless Steel (F8M) 4 1 & End onnections N T S P SPP SW FSW F5 150#FE F3 300# FE I 5 IFE 150# 6 5 & 6 Range 07-5" 4,98-1,5 4-8" 9,96-19, " 19,93-69, " 4,91-4, " 34,87-69, ,71-68, ,95-, ,10-0, ,1-0, & 8 ctuator S Standard 8 9 & 10 ushing TF Teflon G arbon Graphite 5 3 & 4 Seat & iaphragm N una-n VN Viton EN EPM