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308401 7
Dimensions
3/8
npsm(f)
Outlet
2.25 in. (57.2 m
m
diameter
7.25 in.
(184 mm)
Model 236770 shown
03505
3/8
npsm(m)
Inlet
Fig. 2
Manual
Change Summary
Assembly
Changed
Part
Status
Ref.
No.
Part No. Name
236770 and
237503, to
Series B
Old
New
20
20
187873
187876
Gauge
Gauge
Maximum inbound pressure is increased to 300 psi (21
bar, 2.1 MPa).
Technical Data
Maximum Inlet Pressure: 300 psi (21 bar, 2.1 MPa). . .
Regulated Pressure Range 5–180 psi. . . . . . . . . . . . . .
(0.3–12.4 bar, .03–1.24 MPa)
236770 Inlet Size 3/8 npsm(m). . . . . . . . . . . . . . . . . . . . .
236770 Outlet Size 3/8 npsm(f). . . . . . . . . . . . . . . . . . . .
237503 Inlet 3/8 npt(f). . . . . . . . . . . . . . . . . . . . . . . . . . . .
237503 Outlet 1/2 npt(f). . . . . . . . . . . . . . . . . . . . . . . . . .
236770 Weight: 3.5 lb (1.6 kg). . . . . . . . . . . . . . . . . . . . .
237503 Weight: 2.4 lb (1.1 kg). . . . . . . . . . . . . . . . . . . . .
Wetted Parts:
316 stainless steel, tungsten carbide (with nickel
binder), acetal and PTFE
Maximum flow chart for 180 psi (12.4 bar, 1.24 MPa)
inbound pressure and fluid viscosity of 65 cps
Regulated Pressure
50 psi (3.4 bar, 0.3 MPa)
100 psi (7 bar, 0.7 MPa)
150 psi (10.3 bar,
1.0 MPa)
Maximum Flow Rate
4.7 gpm (17.8 lpm)
4.3 gpm (16.3 lpm)
3.7 gpm (12.9 lpm)
Accessories
Air-Charge Conversion Kit 237448
Includes necessary parts to convert back pressure
regulator from spring operated to air operated.