- 30-day returns
- Fast shipping
- Secure payments
- Over 300,000 products
Product details
category: Pressure Switches
manufacture: Winters Instruments
mpn: 9WPSH12N4
subcategory: 9Wps Explosion Proof Compact Pressure Switch
Product Overview
Features
- Vac to 10,000 psi pressure range
- Explosion proof SPDT or DPDT switch
- Stainless steel with FKM and PTFE wetted parts
- ANSI dual seal design
- Diaphragm seal/piston sensor
- Safe to adjust during operation
- Lockable setpoint wheel to avoid shifting during operation
- ±2% of full scale accuracy
- NEMA 4X, 7 & 9 enclosure rating
- CSA approved for hazardous locations
- Designed for sour gas applications requiring NACE standards MR0175-2009
- CRN registered (up to 3,000 psi models)
- 5 year warranty
Applications
Suitable for hazardous locations including safety panels and with pumps and gas compressors, turbines and other oil & gas applications
Additional Information
Housing Material316 SS
Port Material316 SS
Accuracy±2% of full scale
Pressure Connection1/4” NPTF (1/2" NPTF optional)
Electrical Connection1/2" NPTM, 18 AWG, 18" (457 mm) free leads
Wetted PartsVacuum and low pressure - seals: FKM diaphragm, High pressure - piston: SS with PTFE backup ring and FKM o-ring
Set Point AdjustmentInternal adjustment wheel with built in locking set-screws (#6)1
DeadbandFixed
Contact Rating11 amps @ 125/250 Vac, 5 amps @ 30 Vdc
No. of Contacts1 x SPDT, DPDT (2 x SPDT, DPDT optional)
Vibration10 g 10-500 Hz, MIL-STD-202F
Shock50 g, 11 ms, MIL-S-901C
EMI/RFI ProtectionEN55011
Ambient Temperature-40°F to 149°F (-40°C to 65°C)
Enclosure RatingNEMA 4X, 7 & 9
ApprovalsCSA (Canada and US) approved for use in hazardous locations Class I, Div. 1, Groups B, C & D, Class II, Div. 1, Groups E, F & G, CRN registered (up to 3,000 psi model), ANSI dual seal compliant, NACE MR0175-2009 compliant
Typical Life2.5 million cycles
Weight1.85 lbs (839 grams)