Marsh Bellofram BelGAS Division P912 Pressure Regulator - Marsh Bellofram - #1

Text version of the page

P912 PRESSURE REGULATOR 27 P912 PRESSURE REGULATOR • Versatile • Control Accuracy • Compact Design • Removable Vent Screen The Type P912 pressure regulator functions as a pneumatic pressure controlling device with 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. APPLICATIONS Applicable to a wide range of gaseous fluids, including air, natural gas and propane. Can be used as a LP regulator. SPECIFICATIONS Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14" NPT Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14" or 38" NPT Temperature 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.-1.05 psig (25 to 72 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 steel OUTPUT PRESSURE SETTINGS OUTPUT PRESSURE RANGE SPRING PART NUMBER OFFSET CAPACITY IN SCFH (m3/h) OF 0.6 SPECIFIC GRAVITY NATURAL GAS Inlet Pressure, PSIG/BAR 5 0.34 10 0.69 25 1.7 50 3.4 75 5.2 100 6.9 150 10 200 14 250 17 5 inches W.C 12 mBAR 3 to7 inches W.C. 7 to 17 mBAR 655-681-000 1 inch W.C. 2.5 mBAR 50 1.34 65 1.74 75 2.01 100 2.68 7 inches W.C 17 mBAR 5 to10 inches W.C. 12 to 25 mBAR 655-682-000 1 inch W.C. 2.5 mBAR 75 2.01 112 3.0 155 4.15 155 4.15 155 4.15 155 4.15 155 4.15 11 inches W.C 27 mBAR 914 to 13 inches W.C. 23 to 32 mBAR 655-683-000 1 inch W.C. 2.5 mBAR 75 2.01 140 3.75 155 4.15 155 4.15 155 4.15 155 4.15 155 4.15 155 4.15 15 inches W.C 27 mBAR 10 inches W.C. to 1.05 psig 25 to 72 mBAR 655-684-000 2 inch W.C. 5 mBAR 68 1.82 100 2.68 135 3.62 150 4.02 160 4.29 190 5.09 200 5.36 200 5.36 1 psig 69 mBAR 0.5 to 2.7 psig 35 to 186 mBAR 655-695-000 10% 40 1.07 40 1.07 85 2.28 90 2.41 100 2.68 155 4.15 160 4.29 185 4.96 20% 55 1.47 100 2.68 135 3.62 155 4.15 185 4.96 240 6.43 285 7.64 300 8.04 2 psig 140 mBAR 0.5 to 2.7 psig 35 to 186 mBAR 655-695-000 10% 50 1.34 85 2.28 105 2.81 130 3.48 145 3.89 200 5.36 260 6.97 300 8.04 20% 70 1.88 120 3.22 180 4.82 240 6.43 300 8.04 400 10.7 450 12.1 500 13.4 5 psig 340 mBAR 2.7 to 5 psig 186 to 340 mBAR 655-696-000 10% 68 1.82 85 2.28 135 3.62 170 4.56 200 5.36 325 8.71 400 10.7 500 13.4 20% 75 2.01 135 3.62 200 5.36 280 7.50 360 9.65 560 15.0 685 18.4 750 20.1 CAPACITY