PT-Series NEMA 7/9 Explosion Proof Temperature Switch
The Ashcroft® PT NEMA 9 explosion proof temperature switch is designed for use in harsh applications where hazardous approvals and uncompromising safety is required. The PT switch proven technology provides a stable, long-lasting product that can be used over a wide range of temperatures. It is field proven for extreme reliability and is ideal for pressure control, shutdown or alarm operations in hazardous locations.
Key Features:
- Adjustable setpoints from 15%-100% of range (-40 to 750°F)
- Fixed or adjustable deadbands
- Single or Dual adjustable set points
- Explosion-proof enclosure
- Dual chamber design, allows for safe field calibration of switch even with the power connected
- Direct or remote reading thermal systems
- Wide switch element selection
- UL and CSA hazardous approvals
- CE approved
Applications:
Process Market:
- Refineries
- Chemical and Petrochemical Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
- Pumps, Compressors and Turbines
- Boilers and Burners
- Reverse Osmosis Systems / Filters
Product Information
Specifications
- Setpoint Repeatability (Accuracy)
- ±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
- Setpoint
- Dual setpoint, fixed deadband
- (Setpoints - factory set or field adjustable)
- Single setpoint, adjustable deadband
- Single setpoint, fixed deadband
- Deadband
- Fixed or adjustable
- Enclosure Ratings
- NEMA 7/9, IP66
- Enclosure Material
- Epoxy coated aluminum
- Pressure Connection
- Direct Mount: ½ NPT Male
- Remote Mount: ½ NPT Male Bushing (XBX) (OPT.)
- Electrical Termination
- 3/4 NPT Female conduit connection
- ½ NPT Female, M20 X 1.5 (OPT.)
- Direct Mount
- Stem lengths from 2¾˝ to 24˝
- Remote Mount
- Capillary lengths from 5´ to 25´ (5 ft. increments) Consult Factory for longer lengths
- Wetted Material
- Direct Mount: 316 Stainless steel
- Remote Mount: Bulb capillary: 316 Stainless steel
- Spiral armor: 302 Stainless steel
- Pressure Ranges
- -40°F to 60°F through 500°F to 750°F
