SG2 Series Regulators - Pressure Reducing DSG2232X Specifications For questions about this product, please consult TESCOM. OPERATING PARAMETERS Pressure rating per criteria of CGA E-; ASME B31; ASME BPVC Maximum Inlet Pressure psig / 31 bar Maximum Outlet Pressure 15,,, 5, 2 psig 13, 172, 35, 62, 172 kpa 1., 1.7, 3.,.6, 17.2 bar Design Proof Pressure 1% of rated pressure Leakage Internal: Bubble-tight External: Designed to meet < 2 x 1 - atm cc/sec He Operating Temperature PCTFE seat: - F to 1 F / - C to 6 C Polyimide* seat: - F to 2 F / - C to 1 C Flow Capacity C v =.6 Decaying Inlet Characteristic For Stainless Steel Diaphragm -.9 psig / -1 psig -6 mbar / -6.9 bar For Neoprene Diaphragm -.3 psig / -1 psig -2 mbar / -6.9 bar MEDIA CONTACT S Body 316L Stainless Steel, Nickel-Plated Brass Seat PCTFE, Polyimide* Diaphragm 316L Stainless Steel, Neoprene Filter 1 micron nominal sintered Bronze 1 micron nominal sintered 316 Stainless Steel Seal Teflon or Buna-N Remaining Parts Brass, 3 Series Stainless Steel TESCOM SG2 Series is a compact, lightweight, high purity two-stage cylinder regulator for specialty, flammable and industrial gases. Sensitive, extra longlife metal diaphragm ensures gas purity and integrity. User-friendly model number enables the specifier to select optional gauges, relief and shut-off valves, and cylinder connections as part of the regulator assembly. Applications Laboratory and Point-of-Use Gas Systems in medical, pharmaceutical, food and beverage and other high purity applications Process analyzer gases, metal fabrication and specialty and industrial gas cylinders Features and Benefits Cartridge valve design incorporates 1 micron filter to protect the regulator seat and makes service simple Optional neoprene diaphragms provide exceptional sensitivity for precise pressure control OTHERS Connections Inlet and outlet: 1/" NPTF Accessories: 1/" NPTF Cleaning CGA.1 and ASTM G93 Weight. lbs / 1. kg Teflon and Vespel are registered trademarks of E.I. du Pont de Nemours and Company. Meldin is a registered trademark of Saint-Gobain. *Per ASTM D 656-99 Type II Class 1M (Meldin 721 or Vespel SP-21) www.tescom.com
SG2 Series Regulator Drawing 6 Ports (Top view) INLET. [213] 55 2 [51] INLET FITTING ACCESSORY INLET PORT 5.2 [132] GAUGE RELIEF VALVE 2 (INTERSTAGE RELIEF PORT) 2.5 [63.5] OUTLET VALVE OUTLET VALVE 55 6 3.2 [1]. [1.3] OUTLET DIAPHRAGM VALVE AS SHOWN All dimensions are reference & nominal Metric [millimeter] equivalents are in brackets 2
SG2 Series Regulator Flow Charts For more information on how to read flow curves, please refer to the Flow Curves and Calculations document (debul27x) in the TESCOM catalog or on www.tescom.com. Cv =.6 Model Metal Diaphragm 275 [19.] 2 [17.2] 2 [15.5] 2 [13.] 175 [.1] 1 [1.3] 5 [.6] 1 [6.9] 75 [5.2] [3.] P1 = [3] 16 [53] 2 [566] 2 [6] 2 [793] 55 [3.] [3.] 5 [3.1] [2.] 35 [2.] 3 [2.1] 2 [1.] 15 [1.] 1 [.69] 5 [.35] P1 = [3] 16 [53] 3
SG2 Series Regulator Flow Charts For more information on how to read flow curves, please refer to the Flow Curves and Calculations document (debul27x) in the TESCOM catalog or on www.tescom.com. Cv =.6 Model Neoprene Diaphragm 275 [19.] 2 [17.2] 2 [15.5] P1 = 2 [13.] 175 [.1] 1 [1.3] 5 [.6] 1 [6.9] 75 [5.2] [3.] [3] 16 [53] 55 [3.] [3.] 5 [3.1] [2.] 35 [2.] 3 [2.1] 2 [1.] 15 [1.] 1 [.69] 5 [.35] P1 = [3]
SG2 Series Regulator Part Number Selector Repair Kits, Accessories & Modifications may be available for this product. Please contact TESCOM for more information. Base Model Example for selecting a part number: SG2 6 3 1 [Blank] BASIC SERIES SG2 BODY P Nickel-Plated Brass 6 316L Stainless Steel OUTLET PRESSURE RANGES 1 15 psig / 13 kpa / 1. bar 2 psig / 172 kpa / 1.7 bar 3 psig / 35 kpa / 3. bar 5 psig / 62 kpa /.6 bar 5 2 psig / 172 kpa / 17.2 bar DIAPHRAGM 1 316L Stainless Steel 2 Neoprene SEAL Teflon Buna-N PORTS (TOP VIEW) C v SEAT 6 Port.6 [Blank] PCTFE V Polyimide 1 OUTLET INLET INTERSTAGE (RELIEF) ACCESSORY INLET Accessories Extension to base model part number: SG2XXXXXX 6 A 1 A BASE MODEL NUMBER CYLINDER CONNECTIONS None 1 CGA 296 2 CGA 3 C1 CGA 51 3 CGA CGA 5 CGA 59 C2 CGA 66 6 DIN 77-1.1 7 DIN 77-1.3 DIN 77-1.5 9 DIN 77-1.6 1 DIN 77-1.7 11 DIN 77-1. DIN 77-1.9 13 DIN 77-1.1 1 DIN 77-1.1 15 DIN 77-5.5 16 DIN 77-5.57 17 DIN 77-5.59 1 BS 31 (22) #1 19 BS 31 (22) #2 2 BS 31 (22) #3 21 BS 31 (22) # 23 BS 31 (22) #6 2 BS 31 (22) #7 BS 31 (22) # 27 BS 31 (22) #1 2 BS 31 (22) #11 3 BS 31 (22) #13 31 BS 31 (22) #1 32 BS 31 (22) #15 GAUGES 3 RELIEF VALVE 2 OUTLET VALVE None P Plug(s) A psi / kpa B bar / psi 1. Per ASTM D 656-99 Type II Class 1M (Meldin 721 or Vespel SP-21) A None P Plug 1 Teflon Pipe-away Note: Cylinder connections are available in all world areas. None A Diaphragm Valve B Needle Valve 2. The relief valve is not intended to be a Pressure Relief Device as defined by ASME Boiler & Pressure Vessel Code - Section VIII, nor is it intended to be a Safety Accessory or Pressure Limiting Device as defined by the Pressure Equipment Directive (21/6/EU). The relief valve is intended to indicate a potential problem with the regulator and prevent further damage to the regulator. The relief valve is not intended to protect the downstream process equipment. 3 GAUGE PRESSURE RANGES OUTLET PRESSURE RANGE SG2X1XXXX 15 psig / 13 kpa / 1. bar SG2X2XXXX psig / 172 kpa / 1.7 bar SG2X3XXXX psig / 35 kpa / 3. bar SG2XXXXX 5 psig / 62 kpa /.6 bar SG2X5XXXX 2 psig / 172 kpa / 17.2 bar INLET PRESSURE RANGE All OUTLET GAUGE PRESSURE RANGE -3 psig / 2 kpa / 2 bar -3 psig / 2 kpa / 2 bar -6 psig / kpa / bar -16 psig / 11 kpa / 11 bar -3 psig / 2 kpa / 2 bar INLET GAUGE PRESSURE RANGE 6 psig / 1, kpa / bar 5
SG2 Series Rebuild Kits Rebuild Kits include replacement cartridges, diaphragms, diaphragm seals and instruction sheet. KIT PART NUMBER JT39-935 JT39-936 JT39-937 JT39-93 JT39-935V JT39-936V JT39-937V JT39-93V FOR SG PART NUMBER SG2PX1 SG2PX2 SG26X1 SG26X2 SG2PX1V SG2PX2V SG26X1V SG26X2V WARNING! Do not attempt to select, install, use or maintain this product until you have read and fully understood the TESCOM Safety, Installation and Operation Precautions. DSG2232X 217 Emerson Process Management Regulator Technologies, Inc. All rights reserved. 11/217. Tescom, Emerson Process Management, and the Emerson Process Management design are marks of one of the Emerson Process Management group of companies. All other marks are the property of their respective owners. 6 www.tescom.com