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21
23XRV WATERBOX NOZZLE SIZES (Nozzle-In-Head and Marine Waterboxes
RELIEF VALVE LOCATIONS
* Coolers without optional isolation require 2 relief valves.
NOTE: All valves relieve at 185 psig (1275 kPa).
FRAME
SIZE
PRESSURE
psig (kPa)
PASS
NOMINAL PIPE SIZE (in.) ACTUAL PIPE ID (in.)
Cooler Condenser Cooler Condenser
3
150/300
(1034/2068)
1 10 10 10.020 10.020
2 887.9817.981
3 6 6 6.065 6.065
4
150/300
(1034/2068)
1 10 10 10.020 10.020
2 887.9817.981
3 6 6 6.065 6.065
5
150/300
(1034/2068)
1 10 10 10.020 10.020
2 8 10 7.981 10.020
36 8 6.065 7.981
LOCATION
FRAME
SIZE
RELIEF VALVE
OUTLET SIZE
QUANTITY
MUFFLER 3-5 1
1
/
4
-in. NPT FEMALE CONNECTOR 1
COOLER 3-5 1
1
/
4
-in. NPT FEMALE CONNECTOR 1 or 2*
CONDENSER 3-5 1
1
/
4
-in. NPT FEMALE CONNECTOR 2
OPTIONAL
STORAGE TANK
N/A 1-in. NPT FEMALE CONNECTOR 2
WITH OPTIONAL ISOLATION OF DISCHARGE AND COOLER
WITH OPTIONAL ISOLATION
WITHOUT OPTIONAL ISOLATION
RELIEF VALVE ARRANGEMENTS