Winters Instruments 9WPS Explosion Proof Compact Pressure Switch is engineered for reliable pressure monitoring and control in hazardous locations. Designed with a rugged 316 stainless steel housing, ANSI dual seal construction, and a dia-seal/piston sensing element, it delivers dependable switching performance across pressure ranges from vacuum to 10,000 psi.
Built for demanding oil & gas and industrial applications, the 9WPS features SPDT or optional DPDT switching, a lockable internal set point adjustment, and can be safely adjusted while in operation. Its NEMA 4X, 7 & 9 explosion-proof enclosure, combined with UL and CSA hazardous area approvals, makes it suitable for use in safety systems, gas compressors, turbines, and other critical process equipment.
Key Features
- Explosion-proof compact pressure switch
- Pressure range from vacuum to 10,000 psi
- SPDT or optional DPDT switching
- 316 stainless steel construction
- ANSI dual seal design
- Dia-seal/piston sensing element
- Lockable internal set point adjustment
- Safe adjustment during operation
- ±2% of full-scale accuracy
- NEMA 4X, 7 & 9 enclosure
- UL and CSA approved for hazardous locations
- NACE MR0175-2009 compliant for sour gas service
- CRN registered (selected models)
- Backed by a 1-year manufacturer’s warranty
Typical Applications
- Oil & gas facilities
- Hazardous area installations
- Gas compressors
- Turbines
- Power generation plants
- Chemical processing
- Water treatment systems
- Safety and control panels
Technical Specifications
| Specification | Details |
|---|---|
| Pressure Range | Vacuum to 10,000 psi |
| Accuracy | ±2% of Full Scale |
| Pressure Connection | 1/4″ NPT Female (1/2″ NPT Optional) |
| Electrical Contact | SPDT (DPDT Optional) |
| Housing Material | 316 Stainless Steel |
| Wetted Parts | Stainless Steel, Viton®, and Teflon® |
| Enclosure Rating | NEMA 4X, 7 & 9 |
| Operating Temperature | -40°F to 104°F (-40°C to 40°C) |
| Compliance | UL, CSA, ANSI Dual Seal, NACE MR0175-2009, CRN (Selected Models) |
Winters Instruments offers general purpose pressure switches, indutrial pressure switches, low pressure diaphragm pressure switches, differential pressure switches.
Winters Instruments offers high-quality pressure measurement and temperature instrumentation products, including pressure gauges, pressure switches, pressure transmitters, and thermometers. Designed for HVAC and industrial applications, their reliable solutions deliver accurate monitoring, robust performance, easy installation, and long-lasting durability across a wide range of process and environmental conditions.
Alyamitech
Alyamitech an Saudi Arabian distributor company specializing in HVAC products, valves, pumps, industrial instruments and MEP Signs. Company is based in Dammam and Saudi Arabia. Currently, we are official distributor of Winters Instruments Products in Saudi Arabia. We also distrubute products from Flamco Group, Grundfos, Envotec, Mifab, Vimco and other HVAC and precision instrument products. Read more
