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3/8" 2 Way 350# Water Regulating Valve High Lb Refrigerant (Metrex)

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3/8" 2 Way 350# Water Regulating Valve Hi Lb Refrigerant (Metrex)


The WCCWHR series valves are direct acting, modulating water regulating valves utilizing all o-ring construction to accommodate high water
pressures up to 500 PSI. Suitable for refrigerant pressures up to 460 PSI.


Typically used to modulate the cooling water through a condenser in response to a pressure signal from the
condenser. Refrigerant head pressure is maintained over a wide range of operating conditions for a maximum
system operating efficiency.


1) Valves can be mounted in any position without affecting performance. However, for ease of adjustment consider the accessibility of the
adjusting nut.

2) Connect the incoming water line to the valve inlet. Connect condenser port and bypass port as shown above. Direction of water flow is
indicated by the arrow cast on the side of the valve body.

3) Connect capillary tube (or 1/4
• flare nut) to refrigerant head pressure connection on condenser.


All valves in 3/8
• through 1
• sizes are primarily for R-410a service. The refrigerant pressure at which the valve begins to open can be adjusted
from 150 to 400 PSI. An approximate 55 PSI increase of refrigerant pressure is required to fully open the condenser port.
To increase the actuating refrigerant head pressure, insert a pin or hex key into the adjustment nut and turn counter-clockwise. To lower
actuating refrigerant head pressure, turn adjustment nut clockwise.

Replaces Part Numbers:


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