Description
Single-seated, straight-through, pneumatic valves used for proportional control of unit air conditioners using hot and/or chilled water. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Features
  • Available in normally-open (A models) or normally-closed models (B models).
  • Straight-through pattern.
  • Rotating actuator for aligning air connection with control air piping.
  • Molded replaceable composition disc for tight shut-off.
  • Flare tube connections.
  • Small physical size.
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Specs
Body Pattern:
2-Way
Type:
Unitary Valve
Size:
1/2"
Temperature Range (F):
40°F to 240°F
Min Temp (F):
40°F
Spring Range:
9 to 13 psi
Max Temp (F):
240°F
Flow Capacity (Cv):
1
Air Connections:
1/8" NPT
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Replacement Parts (4)

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