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Instrumentation

Name: Dwight W. Prouty Company, Inc.
Address: 2463 Commercial Park Drive Mobile, Mobile, Alabama, 36606
Telephone: +1 251-476-5056

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Stock
- In Stock (20)
Brand
- AI-Tek Instruments (8)
- Analytical Technology (56)
- ASCO (42)
- Badger Meter (19)
- Blancett (12)
- Burling Valve (8)
- DeZURIK (6)
- Fairchild (131)
- Foxboro-Eckardt (5)
- Heise (11)
- Mid-West Instrument (37)
- Precision Digital (167)
- Red Valve (5)
- Reotemp Instruments (40)
- Rotork (4)
- Siemens (1)
- Smart Sensors (3)
- SOR (84)
- Strahman Valves (2)
- Temposonics (72)
- TopWorx (12)
- Valmet (19)
- Valve Accessories & Controls (2)
- Zero Downtime (1)
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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)
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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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 (11)
- 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 (6)
- 0.5-30 psig : 0.03-2 bar : 3-200 kPa (23)
- 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 (25)
- 1-100 psig : 0.07-7 bar : 7-700 kPa (2)
- 2-100 psig : 0.15-7 bar : 15-700 kPa (8)
- 2-120 psig : 0.14-8 bar : 14-800 kPa (4)
- 2-150 psig : 0.1-10 bar : 15-1000 kPa (14)
- 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)
Pipe/Port Size
- 1/16" (1)
- 1/8" (2)
- 1/4" (29)
- 3/8" (32)
- 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 (43)
- BSPP (27)
- BSPT (35)
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Approvals
- CRN (23)
Hazardous Areas
- Acceptable in Zones 1–2 (gas, Groups IIA & IIB) and Zones 21–22 (dust). (15)
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 (25)
- 300 psig : 20 bar : 2000 kPa (4)
- 500 psig : 35.0 bar : 3500 kPa (2)
Max. Output Pressure
- 30 psig : 2.0 bar : 200 kPa (1)
- 37.5 psig : 2.6 bar : 260 kPa (1)
- 50 psig : 3.5 bar : 350 kPa (2)
- 75 psig : 5.0 bar : 500 kPa (2)
- 100 psig : 7.0 bar : 150 kPa (1)
- 150 psig : 10.0 bar : 1000 kPa (8)
Ratio Accuracy
- 1.0% of 100 psig : 7.0 bar : 700 kPa input span. (1)
Effect of Supply Pressure Variation
- Less than 0.1 psig : 0.007 bar : 0.7 kPa per 100 psig : 7.0 bar : 700 kPa change. (1)
- 0.1 psig : 0.007 bar : 0.7 kPa per 100 psig : 7.0 bar : 700 kPa change. (1)
- Less than 0.2 psig : 0.13 bar : 150 kPa for 100 psig : 7.0 bar : 700 kPa change. (1)
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)
- 10 scfm (17.0 m³/hr) @ 120 psig : 8 bar : 800 kPa system pressure. (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. (4)
- 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)
Positive Flow Capacity
- 40 scfm, 65.2 m³/hr @ 100 psig, 7.0 bar supply, 700 kPa supply & 20 psig, 1.5 bar, 150 kPa setpoint (1)
Vacuum Flow Capacity
- 2.5 scfm (4 m³/hr) @ 29” Hg VAC with pump connected to exhaust port. (1)
- 40 scfm (65.2 m³/hr) @ 100 psig supply connected to inlet port. (1)
Max. Vacuum Capacity
- 30 in Hg, 762 Torr, 102 kPa, up to “Full” Vacuum (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. (13)
- 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. (3)
- 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)
Exhaust Port Screen
- Screen (3)
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. (8)
- 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)
- 5" (12.7 cm) W.C. (1)
Bypass Valve
- Bypass Valve (3)
Actuator Adjustment Type (for Output Pressure)
- Knob (16)
- 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) (36)
- -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)
- 0° F to +160° F, (-17.8° C to 71.1° C) (1)
Relief
- Relieving (8)
- Non-Relieving (10)
- Non-Relieving - Aluminum Bonnet (1)
Tapped Exhaust Vent
- Tapped (19)
- Straight (1)
Tamper Proof
- Tamper Proof (21)
Bleed Option
- Low Bleed (2)
- Low Flow (2)
- No Bleed/Non-Relieving (2)
- Quick Bleed Valve (3)
Output
- Check Valve (1)
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)
Port Type
- Inch (1)
- Metric (1)
Base Material
- Aluminum Alloy (1)
Elastomers Material
- Nitrile (7)
- Nitrile on Dacron (2)
- Silicone (10)
- Viton (Fluorocarbon) (24)
Plunger Material
- Steel (1)
Valve Material
- Stainless Steel (1)
Mounting Style
- Line/Pipe Mount (6)
- Bonnet Mount (3)
- Bottom-Port Mount (1)
- Bracket (1)
- Flange Mount (1)
- Manifold Mount (2)
- Panel Mount (10)
- M5 x 0.8 Thread Ports (2)
- None (2)
INLET Tubing Size
- 1/4" (1)
- 6 mm (1)
OUTLET Tubing Size
- 1/4" (1)
- 6 mm (1)
Rating
- 0 - 1.00 (0)
- 1.00 - 2.00 (0)
- 2.00 - 3.00 (0)
- 3.00 - 4.00 (0)
- 4.00+ (0)