Capacities and Assembly | High Pressure Gas Regulator
Table C. Capacities for High Pressure Regulators (continued)
Inlet Pressure psig (bar)
Capacities in scfh (Nm 3 /hr) of 0.6 specific gravity gas
Regulator Designation
Outlet Pressure Setting
Spring
Red 4-8"w.c. (10-20 mbar) Unpainted 7-16"w.c. (17-40 mbar) Green 1.2-2.5 psig (0.08-0.17 bar)
240 (6.43) 340 (9.11) 1770 (47.4) 1800 (48.2) 1800 (48.2) 1800 (48.2) 300 (8.04) 670 (18.0) 950 (25.5) 2000 (53.6) 3100 (83.1)
0.5 (0.034) 1 (0.069)
7347-2-G
7" w.c. (17 mbar)
2 (0.14) 6 (0.41) 10 (0.69) 20 (1.4) 35 (2.4) 5 (0.34) 8 (0.83)
7347-2-A
1 psig (69 mbar)
7347-2-B
30 (2.1) 60 (4.1)
Table D. Materials of Construction (see Figure 1.)
Body, Diaphragm Casing, and Spring Case Orifice
Pitot Tube and Relief Valve Spring
Zinc-plated steel Control Spring and Lever
Diaphragm and Disk
Stem
Closing Cap
Thermoplastic Stainless Steel
Nitrile (NBR)
Cast Iron Aluminum
Stainless Steel
Figure 1. Assembly Drawing
Closing Cap
Relief Valve Spring
Control Spring
Pitot Tube
Body
Spring Case
Diaphragm
Orifi ce
Casing
Stem
Lever
Disk
Bulletin 7347 Page 5
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