Graco 238890 User Manual
2
308647
Table of Contents
List of Models
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts
238889, 238890, 238891, and 238892
14
. . . . . . . . . .
238893, 238894, 248090, and 255072
16
. . . . . . . . . .
244734
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Chart
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensional Drawings
23
. . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty
24
. . . . . . . . . . . . . . . . . . . . . .
Graco Information
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Models
Spring-Operated Models
Part No.
Description
Range
Maximum Fluid
Inlet Pressure
Inlet Pressure
Regulated Fluid
Outlet Pressure
Outlet Pressure
238889
with EZ Flush gauge port plug
Medium
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–3000 psi
(3.4–21 MPa, 34–207 bar)
(3.4–21 MPa, 34–207 bar)
238890
with fluid pressure gauge
Medium
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–3000 psi
(3.4–21 MPa, 34–207 bar)
(3.4–21 MPa, 34–207 bar)
238891
with EZ Flush gauge port plug
High
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
3000–5000 psi
(21–34 MPa, 207–345 bar)
(21–34 MPa, 207–345 bar)
238892
with fluid pressure gauge
High
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
3000–5000 psi
(21–34 MPa, 207–345 bar)
(21–34 MPa, 207–345 bar)
Air-Operated Models
Part No.
Description
Range
Maximum Inbound
Air Pressure
Air Pressure
Maximum Fluid
Inlet Pressure
Inlet Pressure
Regulated Fluid
Outlet Pressure
Outlet Pressure
238893
with EZ Flush gauge
port plug
port plug
Full
100 psi
(0.7 MPa, 7 bar)
(0.7 MPa, 7 bar)
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–4000 psi
(3.4–28 MPa, 34–276 bar)
(3.4–28 MPa, 34–276 bar)
238894
with fluid pressure
gauge
gauge
Full
100 psi
(0.7 MPa, 7 bar)
(0.7 MPa, 7 bar)
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–4000 psi
(3.4–28 MPa, 34–276 bar)
(3.4–28 MPa, 34–276 bar)
244734
with EZ Flush gauge
port plug
port plug
Full
100 psi
(0.7 MPa, 7 bar)
(0.7 MPa, 7 bar)
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–4000 psi
(3.4–28 MPa, 34–276 bar)
(3.4–28 MPa, 34–276 bar)
248090
with fluid pressure
gauge (LASD)
gauge (LASD)
Full
100 psi
(0.7 MPa, 7 bar)
(0.7 MPa, 7 bar)
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–4000 psi
(3.4–28 MPa, 34–276 bar)
(3.4–28 MPa, 34–276 bar)
255072
high resolution with
fluid pressure gauge
fluid pressure gauge
Full
100 psi
(0.7 MPa, 7 bar)
(0.7 MPa, 7 bar)
6000 psi
(41 MPa, 414 bar)
(41 MPa, 414 bar)
500–2700 psi
(3.4–19 MPa, 34–190 bar)
(3.4–19 MPa, 34–190 bar)