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Text version of the page
P912 PRESSURE REGULATOR
•Versatile•Control Accuracy•Compact Design•Removable Vent ScreenThe Type P912 pressure regulator functions as a pneumatic pressure controlling devicewith an adjustable set point. The P912 can be used in a variety of applications in which accurate pressure regulation is required. The internal relief feature allows the regulator to respond quickly and relieve the excessive pressure.P912 PRESSURE REGULATOR
APPLICATIONS
Applicable to a wide range of gaseous fluids, including air, natural gas and propane. Can be used as a LP regulator.SPECIFICATIONS
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 â„
4 " NPTOutlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 â„
4 " or
3 â„
8 " NPTTemperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-20 to 170 ºF Outlet Pressure Ranges . . . . . . . . . . . . . . . . . . . . . . . .3-7 inches W.C. (7 to 17 mBAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10 inches W.C. (12 to 25 mBAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.25-13 inches W.C. (23 to 32 mBAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 inches W.C.-1 psig (25 to 69 mBAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5-2.7 psig (35-186 mBAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7-5 psig (186-340 mBAR)Maximum allowable inlet pressure (PSIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 Approximate Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.3 lbs.
MATERIALS OF CONSTRUCTION
Body, Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zinc Diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Nitrile Diaphragm assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zinc/Nitrile Gaskets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Non-asbestos, CGR 2750 Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Stainless steel Vent screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Monel Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zinc-plated steel Diaphragm Piston . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zinc-plated steelCAPACITY
CAPACITY IN SCFH (m3 /h) OF 0.6 SPECIFIC GRAVITY NATURAL GAS Inlet Pressure, PSIG/BAR OUTPUT PRESSURESETTINGS OUTPUT PRESSURERANGE SPRING PARTNUMBER 50.34 100.69 251.7 503.4 755.2 1006.9 15010 20014 25017 OFFSET 5 inches W.C12 mBAR 3 to7 inches W.C.7 to 17 mBAR 655-681-000 1 inch W.C.2.5 mBAR 501.34 651.74 752.01 1002.68 7 inches W.C17 mBAR 5 to10 inches W.C.12 to 25 mBAR 655-682-000 1 inch W.C.2.5 mBAR 752.01 1123.0 1554.15 1554.15 1554.15 1554.15 1554.15 11 inches W.C27 mBAR 9
1 â„
4 to 13 inches W.C.23 to 32 mBAR 655-683-000 1 inch W.C.2.5 mBAR 752.01 1403.75 1554.15 1554.15 1554.15 1554.15 1554.15 1554.15 15 inches W.C27 mBAR 10 inches W.C. to 1 psig 2 inch W.C.5 mBAR 681.82 1002.68 1353.62 1504.02 1604.29 1905.09 2005.36 2005.36 25 to 69 mBAR 655-684-000 401.07 401.07 852.28 902.41 1002.68 1554.15 1604.29 1854.9620% 1 psig69 mBAR 0.5 to 2.7 psig35 to 186 mBAR 655-695-00010% 551.47 1002.68 1353.62 1554.15 1854.96 2406.43 2857.64 3008.04 501.34 852.28 1052.81 1303.48 1453.89 2005.36 2606.97 3008.0420% 2 psig140 mBAR 0.5 to 2.7 psig35 to 186 mBAR 655-695-00010% 701.88 1203.22 1804.82 2406.43 3008.04 40010.7 45012.1 50013.4 681.82 852.28 1353.62 1704.56 2005.36 3258.71 40010.7 50013.420% 5 psig340 mBAR 2.7 to 5 psig186 to 340 mBAR 655-696-00010% 752.01 1353.62 2005.36 2807.50 3609.65 56015.0 68518.4 75020.1