
26
Valves 03 Press. Prot. & Check Valves
PR-2
™
Pressure Protection Valve
V.M.R.S. 13-010-044
With Adjustable Pressure Setting.
Nominal
Reman. Service Closing
Exch. New Pressure
Pc. No. Pc. No. P.S.I. Comments
277147RX 277147N 65
277148RX 277148N 85
– 277222N 95
277226RX 277226N 60
– 277227N 75
– 279505N 65 w/lockwire
– 281467N 50 –
282517N 60 w/lockwire
Supply
Reman. Service Nominal &
Exch. New Closing Delivery
Pc. No. Pc. No. Pressure Ports
286500RX 286500N 85 P.S.I. 1/4"
288323RX 288323N 70 P.S.I. 1/4"
1/4" P.T.
Supply
1/4" P.T.
Delivery
3-15/32"
1-1/4"
3-13/16"
1/4" P.T.
Supply
1/4" P.T.
Delivery
1-7/16"
Double Check Valves
V.M.R.S. 13-010-092
Service
New
Pipe Thread Dimensions
Pc. No. A B C
278614N 3/8" 3/8" 3/8"
278615N 1/4" 1/4" 1/4"
Service
New
Pipe Thread Dimensions
Pc. No. A B C D
278595N 1/4" 1/4" 1/2" 1/4"
278596N 3/8" 3/8" 1/2" 1/4"
278597N 1/4" 1/4" 3/8" 1/4"
278598N 3/8" 3/8" 3/8" 1/4"
280809N 3/8" 3/8" 3/8" 3/8"
A
A
B
C
C
B
D
PR-4
™
Pressure Protection Valve
• Maintenance Kit Pc. No. 287366 (Note: Not for use
with Pc. No. 103976N)
V.M.R.S. 13-010-044
Fixed Pressure Setting.
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