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Gate valve 48

Valmax sample photo:
Gate valve 48" 150LB RF flange end, OS&Y, bolted bonnet, rising stem, Gear op

Body/Bonnet: ASTM A216 WCB
Wedge: ASTM A216 WCB+13CR
Seat: ASTM A105+13CR
Stem: 13CR
Valve standard: API600
RF standard: ASME B16.5
Sealing pressure test: 22BAR
Shell pressure test: 30BAR

Valmax Gate Valve

The gate valve can only be fully opened and fully closed to be used for cutting in the pipeline.It has such features as unlimited installation direction, small disturbed current, low pressure drop, shorter face-to-face dimension, good sealing performance and wide application range.The most important feature of the steel gate valve of Valmax Company is that it can be ensured that the permissible leakage rate can be lower than that specified in API6D and API600,and the middle shaft sealing can pass the USA VOC leakage test. Valmax Company can provide trims of various materials including materials specified by API600. We can also provide valves of various casting materials, such as carbon steel, stainless steel, alloy, Hastelloy, nickel chrome and etc.

Describes the design and product range

- Design basis: ASME B16.34, GB12234, API600
- Flanged ends: ASME B16.5, GB9113
- Butt-welding ends: ASME B16.25
- Face-to-face dimension: ASME B16.10, GB12221
- Inspection and test: API598, API6D, JB/T9092
- Pressure rating: Class1502500, PN16PN420
- Product range: 2填48, DN50DN1200
- Materials of main parts: WCB, LCB, WC6, WC9,
  C5, C12

Design Features

- Certified to API600
- USA VOC middle shaft micro leakage
  certification
- Design of outside screw and yoke
- Bolted bonnet
- Pressure self-sealing type bonnet
- Design of wedge type flexible gate and
  full guide rail
- Operation methods: handwheel, bevel
  gear or electric operation
- Overlay welding by hard alloy can be
  performed on the seat surface according
  to specifications in API600
- Replaceable valve seat and back seat
- Integral seat and back seat are adopted
  in stainless steel valves
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