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Murphy Diesel Fuel Check Valves CKV1WPS Product Manual

Diesel fuel check valves
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Diesel Fuel Check Valves
Description
Murphy offers two types of diesel fuel line
valves: check valves and pressure relief
valves.
The CKV series check valves are in-line,
one-way valves that prevent fuel from being
siphoned back into an injector or injection
pump which could delay a shutdown.
There are two types of check valves:
CKV2336 and CKV1WPS. The CKV2336
has a 1/4 NPT threaded male connection on
each end for connecting to fuel line fittings
or hoses. The CKV1WPS check valve is typi-
cally mounted in the fuel bypass line of the
last fuel injector. The CKV1WPS features a
hollow bolt connection and a barbed, 1/8
NPT connection for flex hose or fitting.
The PRV series pressure relief valves,
relieve overpressure in a fuel system usually
caused by closing of a solenoid fuel valve.
The PRV50 and PRV70 have a 1/4 NPT
threaded connection on each end for con-
necting to fuel line fittings or hoses.
CKV and PRV Series

Specifications

Materials
Body
CKV2336
Brass Poppet
CKV1WPS
Brass
PRV50/PRV70
Brass
Note: SS=Stainless steel.
Opening Pressure
Opening
CKV2336
1 psi (7)
CKV1WPS
1.4 psi (10)
PRV50
17 psi (117)
PRV70
10 psi (69)
Note: metric (kPa) equivalents in parenthesis.
Static Pressure (all):
150 psi (1.03 MPa) maximum
Weight
CKV2336: 1.3 oz (40.5 grams)
CKV1WPS: 1.3 oz (40.5 grams)
PRV50/PRV70: 1.3 oz (40.5 grams)
Problem Solvers for Diesel Engine
Shutdown Systems
Precision Made
Stainless Steel Spring
Compact and Simple to Install
Dimensions
CKV2336
Seal
Spring
SS
SS
SS
SS
SS
CKV1WPS
Fully Opened
4 psi (27)
2 psi (14)
25 psi (172)
70 psi (483)
1/8 NPT
PRV50 and PRV70
CKV-7867B/N
Revised 11-04
Catalog Section 55
(00-02-0121)
1-5/8 in. (41 mm)
1/4 NPT
2-1/4 in. (57 mm)
21/64 in. (8 mm)
Barbs for
diameter hollow
flexible hose
bolt hole
1-1/2 in. (38 mm)
1/4 NPT

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  Summary of Contents for Murphy Diesel Fuel Check Valves CKV1WPS

  • Page 1: Specifications

    Diesel Fuel Check Valves Description Murphy offers two types of diesel fuel line valves: check valves and pressure relief valves. The CKV series check valves are in-line, one-way valves that prevent fuel from being siphoned back into an injector or injection pump which could delay a shutdown.
  • Page 2: Basic Operation

    Fuel Pump Warranty A limited warranty on materials and workmanship is given with this FW Murphy product. A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm CONTROL SYSTEMS & SERVICES DIVISION FRANK W. MURPHY, LTD.

This manual is also suitable for:

Ckv2336Prv50Prv70