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Series PG Gas Pressure/Differential Pressure Switch
Brand: Dwyer Instruments, LLCLarge sensitive diaphragm and reliable, time proven mechanical design are combined in Series PG Gas Pressure/Differential Pressure Switches.
For use with air and other compatible gases, they feature excellent ±1% of full scale repeatability, clear easy-to-read scale and convenient external setpoint adjustment.
Application flexibility is assured by a large variety of switching options including SPST, SPDT, DPST and DPDT; opening or closing on increasing pressure, vacuum or differential.
PR and PRL models add manual reset operation on increasing or decreasing pressure.
Mercury switches or hermetically sealed snap switches are available where high humidity would be a problem. If vibration or other factors preclude the use of mercury, snap switches can be provided.
Standard housing is NEMA 1. Optional enclosures can be supplied for weather resistant and explosion-proof requirements.
Features- Clear easy-to-read scale and external set point adjustment simplifies operation and trouble shooting
- Large diaphragm provides accuracy for precise control
- Multiple switching options meet the design of applications
1 - 6 of 6 Part Numbers
PG-153-P1
PG-153-P2
PG-3-P1
PG-3-P2
PG-7000-153-P1
PG-7000-153-P2
1 - 6 of 6 Part Numbers
Specifications
Brand
Adjustment Type
- Factory Set (Pre-Set)
- Field Adjustable
Approvals & Certifications
- CSA
- FM
- UL
Deadband, Approximate
- 1.9” WC to 0.5 psig, 0.4 to 0.5 psig
Diaphragm Material
- Aluminum
- Brass
- Fairprene
- Stainless Steel
Electrical Connectors
- Screw Typical
Electrical Contacts
- Gold
- Silver
Electrical Rating
- 1 A at 120 V, 0.5 A at 240 V
- 1 A at 125 Vac
- 10 A at 120 V, 5 A at 240 V
- 4 A at 120 V, 2 A at 240 V
- 6 A at 120 V, 3 A at 240 V
Environmental Protection
- IP10
- IP42
- NEMA 1, 2, 3R, 7, 9 / IP10, 42
- NEMA 2
- NEMA 3R
- NEMA 7
- NEMA 9
NPT Connection
- 1/2” NPT Male
- 1/8” NPT Female
Operating Temperature
- -23° to 82° C (-10° to 180° F)
Proof Pressure
- bar: 1.379
- kPa: 1,379
- psig: 20
Repeatability
- ± 1 % of Full Scale
Set Point - Decreasing
- bar: 0.034 to 3.447
- Inches WC: 1 to 30
- kPa: 3.447 to 344.7
- psid: 0.5 to 50
Set Point - Increasing
- bar: 0.034 to 3.447
- Inches WC: 1 to 30
- kPa: 3.447 to 344.7
- psid: 0.5 to 50
Switch Type
- DPDT
- DPST
- SPDT
- SPST
System Pressure
- bar: 0.13 to 0.68
- kPa: 13.7 to 68.9
- psig: 2 to 10
- Natural, Manufactured or LP Gas Applications