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Gate valve 150LB-42

Valmax sample photo:
Slab Gate valve , 42" 150LB RF flange end, OS&Y, diversion hole type,  bolted bonnet, rising stem, Gear OP

Body/Bonnet: ASTM A216 WCB
Wedge: ASTM A216 WCB+13CR
Seat: ASTM A105+13CR
Stem: 13CR
Face to face dimension: 965mm
Valve standard: API6D
RF standard: ASME B16.5
Sealing pressure test: 22BAR
Shell pressure test: 30BAR
Valmax Slab Gate Valve

The Slab Gate Valves(Parallel type gate valves, Through Conduit Gate Valves)are widely used in oil, natural gas long-distance pipelines and gas fields as open/close control valves. Valves used in forging or casting body, the gate designed with diversion holes, non-diversion holes; single plate and double plate structure; Seat used bi-direction seal seat which mainly based on the metal seat sealing and assisted with soft seat sealing as a second type of seal. The series of parallel type gate valve has rational design, compact structure, sulfur resistance, corrosion resistance, wear-resistant, reliable sealing, and light torque of switches, easy-to-use. Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic

Describes the design and product range

- Design basis: ASME B16.34, API6D
- Flanged ends: ASME B16.5, ASME B16.47
- Butt-welding ends: ASME B16.25
- Face-to-face dimension: ASME B16.10, API 6D
- Inspection and test: API598, API6D
- Pressure rating: Class150900
- Product range: 2填48, DN50DN1200
- Materials of main parts: WCB, LCB, WC6, WC9,
  C5, CF8M,etc..

Design Features

- Certified to API6D
- Design of outside screw and yoke
- Bolted bonnet
- Pressure self-sealing type bonnet
- Full Bore design, Self cavity relief
- Double block & bleed
- Emergency Sealant injection
- Single disc or double disc
- Fire safe design to API 6FA/ API 607
- Diversion hole type or non diversion hole
- Operation methods: handwheel, bevel
  gear or electric operation


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