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Pressure

Pressure control devices, including pressure switches and gauges, ensure safe, accurate monitoring and regulation of pressure levels in both general-purpose and hazardous-area industrial applications.

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Pressure
Switches
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Pressure Gauges
Pressure Intensifiers
Bleed & Flush Rings

Stock
- In Stock (50)
Brand
- Custom Control Sensors (73)
- Fairchild (73)
- Noshok (40)
- WIKA (37)
- Rotork YTC (14)
- Automation Products Group (13)
- VEGA (6)
- Bifold (5)
- ComatReleco (1)
- Mac-Weld (1)
- Parker PGI (1)
- Turck (1)
Relay Type
- Snap Acting Relay (4)
- 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)
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Area Classification
- Hazardous Area (37)
- Non-Hazardous Area (35)
Ratio
- 1:1 (8)
- 1:1.6 (1)
- 1:2 (2)
- 1:3 (2)
- 1:4 (1)
- 1:5 (1)
- 1:6 (1)
- 2:1 (2)
- 3:1 (2)
- 4:1 (1)
- 5:1 (1)
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Approvals
- ATEX (35)
- CE (66)
- CRN - Canadian Registration Number (23)
- CCC (51)
- CRN (17)
- CSA (48)
- cUL (31)
- Dual Seal (19)
- FM (2)
- GOST (30)
- IECEx (15)
- UL (44)
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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)
- 0-0.5 psig : 0-0.035 bar : 0-3.5 kPa (1)
- 0-0.7 psig : 0-0.048 bar : 0-4.8 kPa (1)
- 0-1.4 psig : 0-0.096 bar : 0-9.7 kPa (1)
- 0-2 psig : 0-0.14 bar : 0-14 kPa (6)
- 0-3 psig : 0-0.21 bar : 0-21 kPa (1)
- 0-4 psig : 0-0.28 bar : 0-28 kPa (1)
- 0-5 psig : 0-0.35 bar : 0-35 kPa (4)
- 0-6 psig : 0-0.41 bar : 0-41 kPa (1)
- 0-10 psig : 0-0.7 bar : 0-70 kPa (10)
- 0-12 psig : 0-0.82 bar : 0-83 kPa (1)
- 0-15 psig : 0-1 bar : 0-100 kPa (2)
- 0-20 psig : 0-1.5 bar : 0-150 kPa (5)
- 0.5-10 psig : 0.03-0.7 bar : 3-70 kPa (4)
- 0.5-30 psig : 0.03-2 bar : 3-200 kPa (20)
- 0.5-60 psig : 0.035-4 bar : 3.5-400 kPa (1)
- 0.5-100 psig : 0.035-7 bar : 3.5-700 kPa (1)
- 1-60 psig : 0.1-4 bar : 10-400 kPa (22)
- 1-100 psig : 0.07-7 bar : 7-700 kPa (2)
- 2-100 psig : 0.15-7 bar : 15-700 kPa (7)
- 2-120 psig : 0.14-8 bar : 14-800 kPa (4)
- 2-150 psig : 0.1-10 bar : 15-1000 kPa (12)
- 3-200 psig : 0.2-14 bar : 20-1400 kPa (2)
- 5-250 psig : 0.35-17 bar : 35-1700 kPa (1)
- 5-300 psig : 0.3-21 bar : 35-2100 kPa (2)
- 5-400 psig : 0.3-28 bar : 35-2800 kPa (2)
- Vacuum to : 2 psig : 0.15 bar : 15 kPa (1)
- Vacuum to : 10 psig : 0.7 bar : 70 kPa (2)
- Vacuum to : 30 psig : 2.0 bar : 200 kPa (2)
- Vacuum to : 100 psig : 7.0 bar : 700 kPa (1)
- Vacuum to : 150 psig : 10 bar : 1000 kPa (2)
- Vacuum : 0-5 in Hg : 127 Torr : 17 kPa (1)
- Vacuum : 0-15 in Hg : 381 Torr : 51 kPa (1)
- Vacuum : 0-30 in Hg : 762 Torr : 102 kPa (1)
- Vacuum : 4 in Hg : 140 Torr : 14 kPa (1)
- Vacuum : 20 in Hg : 700 Torr : 70 kPa (1)
- Vacuum : 30 in Hg : 1000 Torr : 100 kPa (1)
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Adjustable or Pre-Set Set Point
- Field Adjustable (63)
- Pre-Set (9)
Pipe/Port Size
- 1/16" (1)
- 1/8" (2)
- 1/4" (27)
- 3/8" (30)
- 1/2" (21)
- 3/4" (10)
- 1" (4)
- 1-1/2" (3)
- M5 x 0.8 (2)
- 10/32" Manifold-Mount (2)
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Pipe/Port Thread Type
- NPT (41)
- BSPP (27)
- BSPT (35)
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Set Point - PSI ▲
- 1
  16,000
Set Point - PSI ▼
- 0.3
  13,500
Set Point - kPa ▲
- 6.89
  110,316
Set Point - kPa ▼
- 2.068
  93,079.22
Set Point - BAR ▲
- 0.068
  1,103
Hazardous Areas
- Acceptable in Zones 1–2 (gas, Groups IIA & IIB) and Zones 21–22 (dust). (15)
Set Point - BAR ▼
- 0.02
  931
Max. Supply Pressure
- 2 psig : 0.15 bar : 14 kPa (1)
- 5 psig : 0.35 bar : 35 kPa (1)
- 20 psig : 1.5 bar : 140 kPa (1)
- 60 psig : 4.0 bar : 400 kPa (1)
- 100 psig : 7.0 bar : 700 kPa (1)
- 120 psig : 8.0 bar : 800 kPa (1)
- 150 psig : 10 bar : 1000 kPa (3)
- 250 psig : 17.0 bar : 1700 kPa (23)
- 300 psig : 20 bar : 2000 kPa (4)
- 500 psig : 35.0 bar : 3500 kPa (2)
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Set Point - in. H2O ▲
- 1.5
  80
Set Point - in. H2O ▼
- 0.7
  76.5
Set Point - mbar ▲
- 3.7
  199.3
Set Point - mbar ▼
- 1.8
  191
Set Point - Vacuum - in. Hg ▲
- 1.5
  28.5
Set Point - Vacuum - in. Hg ▼
- 0.1
  26
Set Point - Vacuum - mm Hg ▲
- 38
  724
Set Point - Vacuum - mm Hg ▼
- 3
  660
Flow Capacity
- 2.5 scfm (4.25 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply and 30 psig : 2.0 bar : 200 kPa setpoint. (2)
- 8 scfm (68 m³/hr) @ 29" Hg VAC (1)
- 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply, 20 psig : 1.5 bar : 150 kPa setpoint. (3)
- 17 scfm (28.9 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply and 20 psig : 1.5 bar : 150 kPa setpoint. (1)
- 22 scfm (37.4 m³/hr) @ 100 psig : 7.0 bar : 700 kPa system pressure. (1)
- 25 scfm (42.5 m³/hr) @ 100 psig : 7 bar : 700 kPa supply and 20 psig : 1.5 bar : 150 kPa setpoint. (3)
- 28 scfm (48 m³/hr) @ 29" Hg vacuum with inlet port open to atmosphere. (1)
- 40 scfm (68 m³/hr) @ 100 psig, 7.0 bar, 700 kPa supply & 20 psig, 1.5 bar, (150 kPa) setpoint. (9)
- 40 scfm (68 m³/hr) @ 100 psig, 7.0 bar, 700 kPa system pressure. (2)
- 45 scfm (76.5 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply & 20 psig : 1.5 bar : 150 kPa output. (1)
- 50 scfm (85 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply; 20 psig : 1.5 bar : 150 kPa setpoint. (2)
- 60 scfm (101.9 m³/hr) @ 100 psig : 7.0 bar : 700 kPa system pressure. (1)
- 150 scfm (255 m³/hr) @ 100 psig : 7.0 bar : 700 kPa supply & 20 psig : 1.5 bar : 150 kPa setpoint. (6)
- In excess of 1500 scfm (2550 m³/hr) (100 psig : 7.0 bar : 700 kPa supply, 1-1/2” NPT connection 40 psig : 2.8 bar : 280 kPa setpoint. (2)
- 1800 scfm (3058 m³/hr) @ 150 psig : 10.0 bar : 1000 kPa supply & 20 psig : 1.5 bar : 150 kPa setpoint. (1)
CV Rating
- 0.23 (1)
Ratio Range
- 30:1 through 1:30 (signal pressure : output pressure) (1)
Set Point
- 1" (2.54 cm) W.C. (2)
- 2" (5.08 cm) W.C. (1)
- 3" (7.62 cm) W.C. (1)
Supply Pressure Effect
- Less than 0.025 psig : 0.0018 bar for 5 psig : 0.35 bar change in supply pressure (1)
- Less than 0.05 psig : 0.0035 bar : 0.35 kPa for 5 psig : 0.35 bar : 35 kPa change in supply pressure. (1)
- Less than 0.1 psig : 0.007 bar : 0.7 kPa for a 100 psig : 7.0 bar : 700 kPa change in supply pressure. (12)
- Less than 0.2 psig, : 0.014 bar : 0.14 kPa for 100 psig : 7.0 bar : 700 kPa change in supply pressure. (3)
- Less than 0.5 psig, : 0.035 bar : 3.5 kPa for 100 psig : 7.0 bar : 700 kPa change in supply pressure. (2)
- Less than 1.25 psig : 0.09 bar : 9 kPa change for 100 psig : 7.0 bar : 700 kPa change in supply pressure (1.90 psig for 120 psig Range). (3)
- 0.1 psig : 0.007 bar : 0.7 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
- 0.2 psig : 0.014 bar : 1.4 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
- 0.3 psig : 0.021 bar : 2.1 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
- 0.4 psig : 0.028 bar : 2.8 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
- 0.5 psig : 0.034 bar : 3.4 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
- 0.6 psig : 0.041 bar : 4.1 kPa for change of 100 psig : 7.0 bar : 700 kPa. (1)
Separate Supply to Pilot
- Separate Supply to Pilot (1)
Exhaust Capacity
- 0.15 scfm (0.29 m³/hr) with 5 psig : 0.35 bar downstream pressure. (1)
- 0.28 scfm (.48 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
- 0.8 (1.36 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (0.8 scfm for 120 # unit). (3)
- 1 scfm (1.7 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
- 2.0 scfm (3.4 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint (1)
- 2.5 scfm (4.25 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig setpoint. (2)
- 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. (5)
- 7.5 scfm (12.8 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above output pressure set point of 20 psig : 1.5 bar : 150 kPa. (1)
- 8 scfm (13.6 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above set pressure. (1)
- 11 scfm (18.7 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above setpoint. (2)
- 14 scfm (23.8 m³/hr) @ 100 psig : 7.0 bar : 700 kPa drop (1)
- 16 (27.2 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
- 20 (34 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (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. (4)
- 44 scfm (75 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig set pressure. (1)
- 65 scfm (110.5 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
- 325 scfm (552.5 m³/hr) where downstream pressure is 5 psig : 0.35 bar : 35 kPa above 20 psig : 1.5 bar : 150 kPa setpoint. (1)
Max. Signal or Output Pressure
- 150 psig : 10 bar : 1000 kPa (9)
- 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
- Less than 1/8" W.C. : 0.31 mbar : 0.031 kPa (2)
- 1/8" W.C. : 0.31 mbar : 0.031 kPa (2)
- Less than 0.1” (.254 cm) W.C. (2)
- Less than 1/4” (.64 cm) W.C. (1)
- 1/4" (0.63 cm) W.C. (3)
- Less than 1/2” (1.27 cm) W.C. (1)
- 1/2” (1.27 cm) W.C. (6)
- 3/4” (1.9 cm) W.C. (1)
- 1” (2.50 cm) W.C. (13)
- 1-1/4” (3.18 cm) W.C. (1)
- 1-1/2” (3.8 cm) W.C. (1)
Bypass Valve
- Bypass Valve (3)
Actuator Adjustment Type (for Output Pressure)
- Knob (15)
- Plunger (2)
- Screw (6)
- Screwdriver Adjust (6)
Ambient Temperature Limits
- -40° F to + 160° F, (-40° C to + 71° C) (2)
- -40° F to +200° F (-40° C to 93.3° C) (34)
- -20° F to +300° F, (-28° C to 149° C) (2)
- -20° F to +200° F, (-28° C to 93° C) Aluminum Bonnet Option (2)
Process Connection Type & Size
- 1/8"-27 NPT Female (2)
- 1/4"-18 NPT Female (48)
- 1/4"-18 NPT Male (9)
- 1/2"-14 NPT Female (16)
- 1/2"-14 NPT Male (6)
- 1" NPT Male Flush Mount - No O-Ring (1)
- 1/4" BSP (3)
- 7/16"-20 UNF (2)
- MS33649-4 (1)
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Relief
- Relieving (8)
- Non-Relieving (10)
- Non-Relieving - Aluminum Bonnet (1)
Process Connection Material
- Aluminum (43)
- Stainless Steel (38)
- 300 Stainless Steel (3)
- Monel (15)
- Hastelloy C-276 (15)
- Brass (2)
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Tapped Exhaust Vent
- Tapped (19)
- Straight (1)
System Pressure - Max.
- 10 psig : 689 mbar : 6.89 mPa (1)
- 14.75 psig : 1017 mbar : 101 kPa (3)
- 35 psig : 2.41 bar : 1.676 kPa (2)
- 60 psig : 4.14 bar : 413 kPa (1)
- 75 psig : 5.17 bar : 3.59 kPa (4)
- 149 psig : 10.3 bar : 1027 kPa (1)
- 150 psig : 10.3 bar : 1034 kPa (6)
- 160 psig : 11.03 bar : 1103 kPa (3)
- 200 psig : 13.79 bar : 9.58 kPa (4)
- 250 psig : 17.2 bar : 1723 kPa (7)
- 400 psig : 28 bar : 2757 kPa (9)
- 500 psig : 34.5 bar : 3447 kPa (28)
- 507 psig : 35 bar : 3495 kPa (1)
- 750 psig : 52 bar : 5171 kPa (1)
- 5000 psig : 345 bar : 3447 kPa (19)
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Tamper Proof
- Tamper Proof (21)
Bleed Option
- Low Bleed (2)
- Low Flow (2)
- No Bleed/Non-Relieving (2)
- Quick Bleed Valve (3)
Pressure Gauge Port
- 1/8" NPT (2)
- 1/4" NPT (5)
- 1/4" NPT, BSPT or BSPP (1)
Feedback
- Feedback (1)
Remote Pressure Sensor
- No Feedback Port (2)
- Feedback Port (2)
NACE
- NACE MR 0175 / ISO 15156 (37)
Enclosure Rating
- IP 65 (23)
- IP 66 (55)
- IP 67 (9)
- NEMA 4 (72)
- NEMA 4X (19)
- NEMA 7 (38)
- NEMA 9 (38)
- NEMA 13 (72)
Reset Function - Auto or Manual
- Auto (31)
- Manual on Increasing Pressure (9)
Voltage Electrical Rating
- 0 - 250 VAC (72)
- 251 - 480 VAC (45)
- 0 - 125 VDC (71)
- 126 - 250 VDC (44)
Ampere Rating
- 0.2 to 15 A (45)
- 0.5 to 11 A (27)
Gender
- Male (16)
- Female (61)
Mounting Style
- Line/Pipe Mount (6)
- Bonnet Mount (3)
- Bottom-Port Mount (1)
- Bracket (1)
- Flange Mount (1)
- Manifold Mount (2)
- Panel Mount (9)
- M5 x 0.8 Thread Ports (2)
- None (2)

Pressure Switches

Activate alerts or controls at set pressures to protect equipment.

Regulators

Maintain stable pressures in fluid or gas systems ensuring precise control.

Relays

Control pressure-based signals to ensure reliable automation processes.

Transducers

Convert pressure into electrical signals for accurate measurement.

Transmitters

Convert pressure measurements into accurate output signals.

Volume Boosters

Amplify control signals for precise pressure management systems.

Pressure Gauges

Reliably measure fluid & gas pressures for accurate process control.

Pressure Intensifiers

Pressure intensifiers for topside and subsea applications.

Bleed & Flush Rings

Enable safe venting & cleaning at process flanges.

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Pressure Control Devices for Industrial Process Control

Pressure control devices in industrial process control applications precisely regulate, maintain, and monitor pressure levels within fluid and gas systems, ensuring optimal safety, efficiency, and reliability.

Key devices include pressure regulators, switches, relief valves, transducers, and controllers, each tailored for accurate, responsive pressure management

Pressure regulators provide stable, controlled downstream or upstream pressure.

Pressure switches trigger alarms or system adjustments at set pressure thresholds. Relief valves automatically vent excess pressure, protecting system integrity.

Pressure transducers convert pressure values into precise electrical signals for real-time monitoring and control feedback.

Engineered from robust materials like stainless steel, these devices operate reliably under demanding conditions in oil and gas, chemical processing, pharmaceutical, water treatment, and automation industries, optimizing productivity and safety.