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Cast Steel Trunnion Ball Valve with Metal Seat

Cast Steel Trunnion Ball Valve with Metal Seat

Metal Seat Ball Valve, Ball Valve, Valve manufacturer / supplier in China, offering Cast Steel Trunnion Ball Valve with Metal Seat, Flanged Double Disc Swing Check Valve (H46), API 6D Cast Steel Butt Welded Trunnion Ball Valve and so on.

Details

Basic Info

  • Connection Form: Flange

  • Nominal Pressure: 150lb to 2500lb

  • Structure: Fixed Ball Valve

  • Function: Blow-Down Valve

  • Application: Industrial Usage, Water Industrial Usage

  • Class: 150lb to 2500lb

  • Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch

  • Origin: Wenzhou, Zhejiang, China

  • Material: Carbon Steel

  • Driving Mode: Manual

  • Channel: Straight Through Type

  • Type: Fixed Ball Valve

  • Temperature: High Temperature

  • Size: 1/2" to 24"

  • Certificates: API 6D, CE, ISO9001

  • Delivery Detail: 20~45 Days According to The Specific Quantities

  • Specification: API6D, ISO9001, CE, SGS, etc

Product Description

Metal Seat Trunnion Ball Valve  


High Temperature Service

General soft seat ball valve working temperatureis limited uo to 400° F, but metal-seat ball valves are guaranteed for a maximum service temperature of 800° F.

Low Pressure Reliable Sealing
Metal-seat ball valves adopt seat spring structure, which can push upstream seat tightly against the ball surface creating a reliable sealing even if extremely low pressure

Pressure Test
Metal-seat ball valves maximum allowable seat
Leakage:
Air: ANSI/FC 170-2 CLASS V

Absolute Fire Safe Guarantee
Metal-to-metal contact is designed between ball and seat, where is unconditional fire safe function. Flexible graphite gasket can prevent fluid leakage from between body & seat or body & bonnet even if high temperature environments to reach fire-safe purpose. In addition, other sealing components such as stem packing can also reach fire-safe function and prevent external leakage. So all parts of valve will not be damaged by high temperature service.

Blow-out Proof Stem & Anti-Static Device
As general ball valves, metal-seated ball valves are provided with blow-out proof stem &anti-static device.


No.PartMaterial
1Body A216-WCB  A352-LCB  A351-CF8,CF8M,CF3,CF3M  Duplex
2SeatASTM A182-F6+STL,F304+STL,F316+STL,F316L+STL
3Antistatic SpringStainless Steel SS316
4Thrust WasherPTFE  PPL 
5ScrewASTM A193-B7,B8
6Limited Plate1015+Cr  Carbon Steel+Cr
7LeverA216-WCB  
8Gland FlangeA216-WCB  A351-CF8
9PackingGraphite  PTFE
10StemA182-F6,F304,F316,F316L,F304L,17-4PH,F51
11Body GasketStainless Steel+PTFE  SS316+PTFE
12Ball ASTM A182-F6+N,F304+N,F316+N,F304L+N,F51+N
13Seat GasketASTM A182-F6,F304,F316,F316L
14BonnetA216-WCB A352-LCB A351-CF8,CF8M,CF3,CF3M
15Seat SpringInconel X-7505  SS304  SS316
16Seat SealingGraphite
17Stud ASTM 193-B7,B7M,B8,B8M
18NutASTM 194-2H,2HM,8,8M

 

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