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Description
Pneumatic switching relays block, divert, or bleed pneumatic air lines when pilot pressure is changed from one specific value to another. Commonly applied in Day-Night, Summer-Winter, Start-Stop, On-Off-Auto and other multiple condition systems where control sequence is changed as conditions change. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Features
  • Available with either single-pole, double-throw (SPDT) or double-pole, double-throw (DPDT) switching action.
  • Second switch on dpdt (RP670B) models molded in natural color for identification.
  • Air connections for 5/32 in. (4 mm) O.D. plastic tubing.
  • Molded plastic construction with neoprene diaphragms, stainless steel lever.
  • In-line mounting, or wall or panel mounting with provided metal spring clip.


Specifications
  • Type: Pneumatic Switching Relay
  • Operation: DPDT relay
  • Capacity: 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
  • Air Connections: Barb fittings 5/32 in. (4 mm) O.D. plastic tubing
  • Maximum Safe Operating Pressure (psi): 30 psi
  • Differential Pressure Range: 1 psi maximum
  • Nominal Switch Differential (psi): .5 psi
  • Setpoint Range (psi)
  • Adjustable between 3 to 15 psi
  • Mounting: Wall or Panel
  • Operating Humidity Range: 5 to 95% RH
  • Dimensions: 1-1/2 in. diameter x 2-13/16 in. deep
  • Temperature Range: 0 F to 140 F
  • Includes: 14003030-001, 1-1/2 in. Mounting Clip for Mounting relay to wall or panel
  • Switching Occurs Between Pressures (psi): 13 and 17 psi
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Specs
Switch:

DPDT

Mount:

Panel

Wall

In-Line

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