: Expansion Valve

Metric Imperial
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Expansion Valve Information
The expansion valve will control superheat at the outlet of the evaporator. It should be selected on the following criteria.

• Balanced port Thermostatic Valves: 35% - 107%

• Non-balanced port Thermostatic Valves: 45% - 100%

• Electric Stepper Valves: 10% - 80%

• Pulse Width Modulation (Sporlan SPW Valves): 50% - 85%

Please see the Detailed Guide at the top left of the page for more information on valve selection and reserve capacity.
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Expansion Valve Selection Criteria
Sporlan or Parker Branded Valve
Wholesale or OEM Type Expansion Valve
Expansion Valve Type
Evaporator Capacity
Evaporator Temperature
Condensing Temperature
Liquid Temperature
Distributor Pressure Drop
High Side Pressure Drop
Fitting Type
Bleed Port (Thermostatic Only)
Bleed Port

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