Product Description
Dresser Roots Gas Flow Meter Series B3, 5M175
PN: 5M175
The Dresser Roots Gas Flow Meter Series B3, 5M175 is a rotary gas meter that is designed to provide accurate gas measurement over widely fluctuating flow, pressure and temperature conditions. The meter has a capacity of 5000 acfh, a maximum allowable operating pressure of 175 psig, and an operating temperature range of -40°F to +140°F.
UNITS Imperial UNITS Metric
Temperature Range deg: F -40 to +140 deg. C -40 to +60
Base Rating (Q Max.): acfh 5000 m3 /h 141,5
Max. Operating Pressure: psig 175 kPa 1200
Leak Test (125% MAOP): psig 219 kPa 1510
Static Test (2 x MAOP): psig 350 kPa 2400
Rangeability +/- 1%: ratio 120:1 ratio 120:1
Rangeability +/- 2%: ratio 215:1 ratio 215:1
Start Rate: cfh 1.2 m3 /h 0,0340
Stop Rate: cfh 0.8 m3 /h 0,0227
Flow Rate @ 0.5” w.c., Gas: cfh 3975 m3 /h 112,6
Avg. Differential 100% Flow: in. w.c. 1.05 mbar 2,6
Max. Pressurization Rate: psig/sec 5 kPa/sec 35
Max. Operating Speed: rpm 2250 rpm 2250
Gear Ratio: ratio 270:1 ratio 953,125:1
Displaced Volume/Revolution:cf 0.037037 m3 0,0001049
Drive Rate, CD: cf/rev 10 m3 /rev 1
Drive Rate, TD: cf/rev 100 m3 /rev 10
Temp. Compensating Range (TC, TD):
deg. F -20 to +120 deg. C -20 to +50
Min. Odometer Reading: cf 0.2 m3 0.02
Odometer Turnover: yrs. 2.28 yrs. 8,06
Nominal Pipe Size: in. 3 mm 80
Flange-to-Flange: in. 6-3/4 mm 172
Flange Connection: ANSI 150#FF ANSI 150#FF
Bolts per Flange: qty. 4 qty. 4
Bolt Size: in. 5/8 - 11 in. 5/8 - 11
Flange Bolt Hole Depth: in. 15/16 mm 23,8
Bolt Torque: Lubricated/Non-Lub:
ft.-lb. 55/60 N-m 74/81
Restricting Orifice (120%): in. 23/32 mm 18,256
Oil Capacity – Side Inlet: oz. 1.25 ml 37
Oil Capacity – Top Inlet: oz. 7.65 ml 226
