KTM的Hi -温度球阀门设计工作温度范围内从- 50F至932F。他们运用阀座的Gratite材料（石墨复合材料粘结）与柔性石墨，用于密封垫组成。其结果是一个是远远优于传统球碳石墨阀座建设物理性质的席位。
Gratite® Seat, Hi-Temp
- Description
- Specifications
- Documentation
KTM’s Hi-Temp ball valves are designed to operate within a temperature range from -50°F to 932°F. They incorporate valve seats of Gratite® material (a bonded composite of graphite) formed with flexible graphite which is used to cushion seal. The result is a seat with physical properties that are far superior to conventional ball valve seats of carbon graphite construction.
Features & Benefits:
- More economical than metal seat.
- High resistance to thermal shock.
- High electro conductivity helps eliminate need for grounding device.
- Seats and seals are virtually chemically inert.
- Blow-out proof stem.
- Two-piece body construction.
- Fire-safe.
- Easy actuator mounting.
- Bi-directional flow.
Technical Data:
Models/Sizes:
ASME Class 150, Full bore 1/2" to 8"
ASME Class 300, Full bore 1/2" to 8"
ASME Class 600, Full bore 1/2" to 4" (Reduced bore available upon request)
Pressure rating: ASME Class 150, 300 and 600
Temperature: -50°F to 932°F
For Pressure/Temperature:
ANSI 150 and 300
ANSI 600
Special Options: Extension bonnet
Special Tests:
Liquid penetrant
X-ray
Standards
Design: ASME B16.34
End connection: ASME B16.5
General Applications:
Chemical plant
Oil refinery
Power plant
Pulp and paper
Steam
Dowtherm
Fused alkali
Fuel oil and gas
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