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Ball valve 150LB-4

Valmax sample photo:
Ball valve 4" 150LB RF flange end, side entry floating type, bolted bonnet, lever op

Body/Bonnet: ASTM A216 WCB
Ball: ASTM A182 F304
Seat: PTFE
Stem: ASTM A182 F304
Face to face dimentision: 229mm
Valve standard: API6D
Flange standard: ASME B16.5
Sealing pressure test: 57BAR
Shell pressure test: 78BAR
Valmax Floating ball valve

The floating ball Floating ball valve is a kind of commonly used valve. It is named due to the fact that the ball and stem pass through the axis of flow channel. The Floating ball valves of Val Max Company include low platform type and high platform type. The low platform type products are suitable for manual operation and electric or pneumatic actuator can also be additionally installed if necessary. For the high platform type products, the electric or pneumatic actuator can be installed without extra yoke.

Describes the design and product range

- Design basis: ASMEB16.34/ API608/DIN3357 ,
  EN12516GB/T1224 GB/T12237
- Face-to-face dimension: ASME
- Flanged ends: ASME B16.5/DIN2501/GB/T9113.1
- Butt-welding ends: ASME B16.25/
- Socket welding ends: ASME B16.11/
- Wall thickness: ASME B16.34/ EN12516
- Fireproof: API607 9ISO10479
- Inspection and test:
  API6D/API598 /EN12266/GB/T13927
- Product range: 1/2填10, DN15DN250
- Materials of main parts: WCB,CF8,CF8M,
- Seat materials: PTFE , RTFE or metal hard seal

Design Features

- Design of fireproof structure and
  obtaining the certification
- ISO5211 platform design is adopted for
  the convenuence of installing the
- Antistatic design between stem, body
  and ball
- Anti-blow-out stem design
- The pressure balancing hole is provided
  on the steel ball
- The low platform products adopt
  packing gland type middle shaft
- The double-layer stem packing and
  double butterfly spring structure of
  the high platform products play a
  self-compensation function for the
  middle shaft seal
- The body is provided with a device for
  cleaning the valve cavity
- According to the structural forms, the
  valves include one-piece type, two-piece
  type and three-piece type flanged ball
  valves, wafer flanged ball valves, and
  some butt-welding and socket welding
  ball valves
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