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詳細介紹
Standards and range:
- Design basis and product range: API 6D, API 608, GB/T 12237.
- Face-to-face dimension: ASME B16.10, GB/T 12221.
- Flanged ends: API 605, ASME B16.47, GB/T 9113.
- Butt-welding ends: ASME B16.25, GB/T 12224.
- Wall thickness: ASME B16.34.
- Fireproof test: API 607.
- Inspection and test: API 6D, API 598, JB/T 9092.
- Product range: 4 Inch - 64 Inch, DN100 - DN1600.
- Materials of main parts: A105.LF2, F11, F22, F304, F316, F51.
- Seat materials: PTFE, RTFE or metal hard seal.
Design Features:
- ISO 5211 platform design is adopted for the convenience of installing the actuator.
- Double block and bleed function.
- Anti-blow-out stem design.
- The pressure balancing hole is provided on the steel ball.
- The body is provided with a device for cleaning the valve cavity.
- Automatic pressure relief function.
- Fireproof and antistatic design.
- Sealant injection system for emergency seal.
- Multiple driving modes facilitate the realization of automatic control.
- Reliable stem seal and low operating torque. Metal hard seal seat can be made according to requirements.
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