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    Valve, Expansion

  • Item # 4X859
  • Mfr. Model # A-2
Valve, Expansion
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Product Details

The PARKER thermostatic expansion valve is designed for use with refrigeration and air conditioning applications. Constant pressure adjustable, nonbalanced port. Capacity is at ARI standard 750-70; at 10°F liquid subcooling. Use with all refrigerants.

Note: Not for use with ammonia.
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Technical Specifications

Item # 4X859
Mfr. Model # A-2
UNSPSC #40141612
Catalog Page 3019
Shipping Weight 0.6 lbs
Country of Origin USA *
Item Constant Pressure Expansion Valve
Type Adjustable
Refrigerant All
Nominal Capacity (Tons) 0.88 to 4.24
Equalizer Type External
Connection SAE Flare Angle
Connector Inlet (In.) 1/4
Connector Outlet (In.) 1/2
Parker Model Number A-2
Control Used as Low Load Protection Device in Hot Gas Bypass Systems, Maintains Constant Evaporator Pressure Under all Load Conditions
Balanced Port Design No
Superheat Externally Adjustable
Adjustable Range 5"Hg vacuum to 90 psig
Not For Use With Ammonia
* This product's country of origin is subject to change

Compliance and Restrictions