Dimensions; Technical Data; Accessories - Graco B Series Instructions Manual

Dimensions

7.25 in.
(184 mm)
3/8
npsm(m)
Inlet
Model 236770 shown
Fig. 2
Manual
Change Summary
Assembly Part Ref.
Changed Status No.
236770 and Old 20
237503, to New 20
Series B
Maximum inbound pressure is increased to 300 psi (21
bar, 2.1 MPa).
2.25 in. (57.2 mm
diameter
3/8
npsm(f)
Outlet
03505
Part No. Name
187873 Gauge
187876 Gauge

Technical Data

Maximum Inlet Pressure:
Regulated Pressure Range
236770 Inlet Size . . . . . . . . . . . . . . . . . . . . .
236770 Outlet Size . . . . . . . . . . . . . . . . . . . .
237503 Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . .
237503 Outlet . . . . . . . . . . . . . . . . . . . . . . . . . .
236770 Weight: . . . . . . . . . . . . . . . . . . . . .
237503 Weight: . . . . . . . . . . . . . . . . . . . . .
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)

Accessories

Air-Charge Conversion Kit 237448
Includes necessary parts to convert back pressure
regulator from spring operated to air operated.
. . . 300 psi (21 bar, 2.1 MPa)
. . . . . . . . . . . . . . 5–180 psi
(0.3–12.4 bar, .03–1.24 MPa)
3/8 npsm(m)
3/8 npsm(f)
3/8 npt(f)
1/2 npt(f)
3.5 lb (1.6 kg
2.4 lb (1.1 kg)
Maximum Flow Rate
4.7 gpm (17.8 lpm)
4.3 gpm (16.3 lpm)
3.7 gpm (12.9 lpm)
308401 7
)