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2 PC Cast steel Floating Ball Valve

  • FOB PriceUSD 10 - 30,000/Piece
  • PortNingbo or Shanghai Port
  • MOQ1 Piece
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery2 - 12 days

Detailed description

Product name:2 PC Cast steel Floating Ball Valve

Application: Industry, Powerstations, Flue gas purification plant, processing technology, gas supply, vapour facilities, recycling facilities, vacuum facilities, hot water, heating technology, district heating, thermal oil applications, general plant manufacturing, etc. (other applications on request) 

Medium : Steam, gases, hot water, thermal fluids, hot oil, process water, vacuum facilities, ammonia etc.(other flow media on request)

Materials :  WCB,SS304,SS316

Size range : 1/2"-10"

Class: 150LB-600LB

Temperature : ≤200 ℃

2 PC Cast steel Floating Ball Valve Drawing

1. Reliable Seat Seal

The structure design of elastic sealing ring has been adopted for floating ball valves. This seat design features a bigger sealing pressure ratio between the ring surface and the ball when medium pressure gets lower, where the contacting area is smaller. Thus, the reliable seal is ensured. When the medium pressure gets higher, the contacting area between seat ring and ball becomes bigger as the sealing ring transforms elastically to undertake the bigger force pushed by the medium without any damage.
Reliable Seat Seal

2. Fire Safe Design 

With the valve heated in a fire application, the non-metal material parts such as seat sealing ring of PTFE, stem back seat gasket, gland packing, and the sealing gasket between body and bonnet might disintegrate or be damaged due to high temperature. Specially designed structure of auxiliary metal to metal seal is provided to effectively prevent both internal and external leakage of the valve. As required by customers, floating ball valves with fire safe design can meet the requirement of API 607, API 6FA, BS 6755 and JB/T 6899.

 Fire Safe Design

3. Reliable Stem Seal

 The blow-out proof design has been adopted for the stem to ensure that even if the pressure in the body cavity is risen accidently and the packing flange becomes invalid, the stem may not be blown out by medium. The stem features the design with a backseat, being assembled from underneath. The sealing force against the backseat gets higher as the medium pressure becomes higher. So the reliable seal of the stem can be assured under variable medium pressure. 

 Reliable Stem Seal

V type packing structure has been employed to effectively transform the pushing force of the gland flange and the medium pressure into the sealing force against the stem.        

Reliable Stem Seal

The traditional packing flange design has been improved to be of two piece structure, i.e., being as a gland flange and gland, the latter contacts the gland flange with spherical surface. Thus, the gland remains vertical always, and is lined internally with a PTFE bush to prevent the galling against and friction between the stem, which can also reduce the operation torque of the valve.

Reliable Stem Seal  

Based on customers’ requirement, a packing tightening design may be employed to obtain more reliable stem packing seal, which is loaded by bevelling spring.

4. Anti-static Feature

The traditional packing flange design has been improved to be of two piece structure, i.e., being as a packing flange plate and a follower, the latter contacts the flange plate with spherical surface. Thus, the follower remains vertical always, and is lined internally with a PTFE bush to prevent the galling against and friction between the stem, which can also reduce the operation torque of the valve.

 Anti-static Feature

Where can we find the high quality 2 PC Cast steel Floating Ball Valve.

You can visit this website: www.yaang.com (Yaang Pipe Industry Co., Limited).

If any inquiry, please feel free to contact by email sales@yaang.com

Related products:More>>

Tel No:+86-18267732328 / Fax No :86-0577-56809281 / Email:sales@yaang.com
Address:Longwan District, Wenzhou, Zhejiang Province, China.

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