Pressure Relays

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• Stock
  • In Stock (1)
• Brand
  • Fairchild (13)
  • Foxboro-Eckardt (1)
• Relay Type
  • Adjustable Ratio Relay (1)
  • Multi-Stage Positive Biasing Relay (1)
  • Positive Bias Relay (2)
  • Positive & Negative Bias Relay (1)
  • Computing Relay (1)
  • Selector Relay (2)
  • Reversing Relay (2)
  • Snap Acting Relay (1)
• Pressure Range
  • 2" W.C. to 10 psig : 0.006-0.7 bar : 0.63-70 kPa (1)
  • -18-2 psig : -1.2-0.15 bar : -120-15 kPa (1)
  • -18-10 psig : -1.2-0.7 bar : -120-70 kPa (1)
  • -18-30 psig : -1.2-2 bar : -120-200 kPa (1)
  • -18-100 psig : -1.2-7 bar : -120-700 kPa (1)
  • 0-10 psig : 0-0.7 bar : 0-70 kPa (3)
  • 0-20 psig : 0-1.5 bar : 0-150 kPa (1)
  • 0.5-10 psig : 0.03-0.7 bar : 3-70 kPa (1)
  • 0.5-30 psig : 0.03-2 bar : 3-200 kPa (5)
  • 1-60 psig : 0.1-4 bar : 10-400 kPa (6)
  • 1-100 psig : 0.07-7 bar : 7-700 kPa (1)
  • 2-120 psig : 0.14-8 bar : 14-800 kPa (1)
  • 2-150 psig : 0.1-10 bar : 15-1000 kPa (4)
• Pipe/Port Size
  • 1/8" (1)
  • 1/4" (8)
  • 3/8" (9)
  • 1/2" (6)
  • 3/4" (2)
• Pipe/Port Thread Type
  • NPT (10)
  • BSPP (2)
  • BSPT (8)
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• Approvals
  • CRN - Canadian Registration Number (2)
• Hazardous Areas
  • Acceptable in Zones 1–2 (gas, Groups IIA & IIB) and Zones 21–22 (dust). (2)
• Max. Supply Pressure
  • 120 psig : 8.0 bar : 800 kPa (1)
  • 250 psig : 17.0 bar : 1700 kPa (7)
• Max. Output Pressure
  • 150 psig : 10.0 bar : 1000 kPa (3)
• Flow Capacity
  • 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply, 20 psig : 1.5 bar : 150 kPa setpoint. (2)
  • 40 scfm (68 m³/hr) @ 100 psig, 7.0 bar, 700 kPa supply & 20 psig, 1.5 bar, (150 kPa) setpoint. (4)
  • 150 scfm (255 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply & 20 psig : 1.5 bar : 150 kPa setpoint. (2)
• CV Rating
  • 0.23 (1)
• Ratio Range
  • 30:1 through 1:30 (signal pressure : output pressure) (1)
• Supply Pressure Effect
  • Less than 0.1 psig : 0.007 bar : 0.7 kPa for a 100 psig : 7.0 bar : 700 kPa change in supply pressure. (5)
  • Less than 0.2 psig, : 0.014 bar : 0.14 kPa for 100 psig : 7.0 bar : 700 kPa change in supply pressure. (1)
• Separate Supply to Pilot
  • Separate Supply to Pilot (1)
• Exhaust Capacity
  • 2.5 scfm (4.25 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig setpoint. (1)
  • 5.5 scfm (9.35 m³/hr) where downstream pressure 5 psig : 0.35 bar : 35 kPa above setpoint of 20 psig :1.5 bar : 150 kPa. (3)
  • 11 scfm (18.7 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above setpoint. (1)
  • 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa drop (1)
  • 40 scfm (65 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (2)
• Max. Signal or Output Pressure
  • 150 psig : 10 bar : 1000 kPa (4)
  • 200 psig : 14.0 bar : 1400 kPa (1)
• Min. Switching Differential
  • Less than 0.1 psig : 0.007 bar : 0.7 kPa (1)
• Max. Differential Between Signals
  • 100 psig : 7.0 bar : 700 kPa (1)
• Repeatability
  • 0.2” (0.5 cm) Water Column (1)
• Signal Range
  • 2” (5 cm) W.C. to 120 psig : 8.0 bar : 800 kPa (1)
• Sensitivity
  • 1/8" W.C. : 0.31 mbar : 0.031 kPa (1)
  • Less than 1/4” (.64 cm) W.C. (1)
  • Less than 1/2” (1.27 cm) W.C. (1)
  • 1/2” (1.27 cm) W.C. (1)
  • 1” (2.50 cm) W.C. (2)
• Actuator Adjustment Type (for Output Pressure)
  • Knob (1)
• Ambient Temperature Limits
  • -40° F to +200° F (-40° C to 93.3° C) (10)
• Relief
  • Relieving (1)
  • Non-Relieving (1)
• Tapped Exhaust Vent
  • Tapped (7)
• Tamper Proof
  • Tamper Proof (4)
• Elastomers Material
  • Silicone (2)
  • Viton (Fluorocarbon) (5)
• Mounting Style
  • Line/Pipe Mount (5)
  • Bonnet Mount (1)
  • Panel Mount (4)
• Rating
  • 0 - 1.00 (0)
  • 1.00 - 2.00 (0)
  • 2.00 - 3.00 (0)
  • 3.00 - 4.00 (0)
  • 4.00+ (0)