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Home / Valves / Butterfly Valves / Electric Wafer V Type Stainless Steel Regulating Ball Valve
Electric Wafer V Type Stainless Steel Regulating Ball Valve
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Shanghai Yawang Valve Co., Ltd.
Shanghai, China
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Size range DN 25~250mm NPS 1”-10” (Wafer type) DN 25~500mm NPS 1”-20” (Flange)
Pressure Level PN 10/16/25 ANSI 150
Operating temperature -29...+220℃
Sealing class Hard seal Class IV seal
Body Material Cast steel, stainless steel, special materials
Spool/Stem Material Stainless steel hardening treatment, special material hardening treatment
Seat Material Hardened stainless steel
Structure length ISA S75.04, IEC/DIN 534-3-2 (flanged) Haidun factory standard (wafer type)

  • Pulp and paper
  • Sewage treatment
  • Food, and beverage
  • Chemical industry
  • Energy industry
  • The steel industry, etc

1. Valve body:
a)  Integral design provides higher strength to the valve body, which can better withstand pipeline pressure
b)  Avoid the leakage of the two-piece valve body due to flange connection
c)  At the same time, it has two structures of flange-to-clamp 
2. Spool:
a)  The specially designed V-shaped ball has a strong shearing effect and sealing performance on the medium, and can adjust the flow characteristics of the medium in equal proportions.
b)  Hard chrome plating, ion nitriding, supersonic spraying, and other sealing surface hardening processes can be used to increase the hardness, wear resistance, and corrosion resistance of the sealing surface.
c)  The precision ground spherical surface reduces the friction between the sealing surfaces, thereby reducing the torque.
3. Valve seat:
a)  The special seatless cover design avoids the dead angle between the valve seat and the valve body which is easy to block and avoids the situation of the valve seat being stuck.
b)  The valve seat spring is designed with a circlip, which greatly reduces the torque required to drive the valve while providing pre-tightening force for the valve seat seal.
c)  The valve seat with preload can provide a good sealing of the valve even under a small pressure difference
4. Stem:
Fixed ball valve structure, the valve core is fixed by the upper and lower double stems and double bearings, which have higher stability.
The torque is reduced to avoid the long-term use of the valve, and the valve stem is seized.

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