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91000XT Series Tank Thermostat
Brand: Trerice Gauges & ValvesThe 91000XT Tank Thermostat is specifically designed to control the temperature of heaters, treaters and separators within the petroleum industry.
It is entirely self-contained, requires no external power source, and is the most widely preferred unit of its kind.
When installed in a treater, the fail-open valve will automatically close-off the flow of gas as temperature increases, thereby regulating temperature within the treater.
The Trerice 91000XT is ruggedly constructed with a heavy duty, die cast aluminum actuator housing and fully enclosed bellows assembly.
Its single seated, cast-iron valve body is fitted with a stainless steel plug assembly and soft seating Viton O-ring to provide tight close-off.
Features- Self-Operating Design
- Heavy Duty Die Cast Aluminum Housing
- ¾" & 1" NPT Valve Sizes
- Soft Seated Valves for Tight Close-Off
- Fully Enclosed Bellows
Specifications
Brand
Power Requirements
- Fully Self-Contained - No external Power Required
Housing
- Die Cast Aluminum, Epoxy Powder Coated Blue Finish
Set Point Scale
- Integral to Housing
Bellows
- High Pressure Brass, Corrosion Resistant, Tin Plated Finish
Adjustment Screw
- Brass
Adjustment Screw Bushing
- Lubricant Impregnated Sintered Bronze
Range Adjustment Spring
- Cadmium Plated
Overrange Protection
- Upper Range Limit +100° F for Temporary Situations
Thermal System
- Bulb: Copper, 0.80” x 8”, with 1.25-18 UNEF-2A Coupling Nut for Thermowell
- Capillary: Copper, Available in 10' or 20' Lengths
Thermowell
- Steel, 1” NPT Connection
Valve
- Single Seat, Fail-Open
- Body: Cast-Iron
- Trim: Stainless Steel Plug Assembly with Soft Seating Viton O-Ring, Iron Seat
- Port Size: 1/2”
- Connection: 3/4” NPT or 1” NPT Threaded Ends
Valve Seat
- Viton O-Ring Standard Min. Ambient Operating Temperature 5° F (-15° C)
- For Extreme Cold Weather Conditions a NBR (Buna-N) O-Ring can be supplied
- Minimum Ambient Operating Temperature -40° F (-40° C). Please Consult Factory
Approximate Shipping Weight
- 10.3 lbs (4.68 kg)