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Fangyuan Valve Group Co., Ltd.

Two Piece Ball Valve, Floating Ball Valve, Welded Ball Valve manufacturer / supplier in China, offering 2-PCS-Type Trunnion Reduced Bore Ball Valve, API High Temperature/High Pressure Y-Type Globe Valve, Gas Exhaust Underground Full Weld End Ball Valve and so on.

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Supplier Homepage Product Trunnion ball valve 2-PCS-Type Trunnion Reduced Bore Ball Valve

2-PCS-Type Trunnion Reduced Bore Ball Valve

FOB Price: US $10-300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10-300/ Piece
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Port: Ningbo, China
Production Capacity: 5000
Payment Terms: L/C, T/T

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Basic Info
  • Material: Stainless Steel
  • Driving Mode: Manual
  • Channel: Straight Through Type
  • Type: Fixed Ball Valve
  • Temperature: Normal Temperature
  • Size: 1 1/2"~60"
  • Transport Package: Wooden etc
  • Origin: China
  • Connection Form: Flange
  • Nominal Pressure: ANSI CLASS 150-900
  • Structure: Fixed Ball Valve
  • Function: Blow-Down Valve
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Trademark: FYV
  • Specification: CE, SGS
  • HS Code: 8481804090
Product Description
Application

Floating ball valves are suitable for use on various kinds of pipelines of Class 150 to Class 1500, PN16 to PN100 to turn on or off the pipeline medium, of which the operation types include manual, worm gear and pneumatic or electric actuators.

Description:

Design standard: API 6D
Length of structure: API 6D/ASME B16.10.
Flange connecting end: ASME B16.5/ASME B16.47
Butt welding connecting end: ASME B16.25/ ASME B31.8
Wall thickness: ASME B16.34
Fireproof test: API 607/API 6FA
Inspection and test: API 6D
Pressure and temperature rating: ASME B16.34
Product scope: NPS 1-1/2″~NPS 60″, CL150~CL2500
Main body material: WCBLCBWCCCF8CF8MCF3CF3MA890 4A etc.
Valve seat material: PTFERPTFENYLONDEVLONDerlinPEEKPPLHNBRFKM or metal hard seal etc.
Drive device: Handle, worm wheel, electric, pneumatic, pneumatic- hydraulic, electro-hydraulic, etc.

Design Features:


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.
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.
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.
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.
No.Parts NameMaterials
Carbon Steel Low Tem. Steel Stainless Steel
1BodyASTM A216-WCBASTM A352-LCB/LCCASTM A351-CF8/CF8M
2Drain plugANSI 1045ASTM A182-F304ASTM A182-F304/F316
3ScrewASTM A193-B7/B7MASTM A320-L7ASTM A193-B8/B8M
4Gasket304+Graphite304+Graphite304+Graphite/316+Graphite
5O-ringNBR/VitonVitonViton
6TrunnionASTM A105+ENPASTM A182-F304ASTM A182-F304/F316
7Sliding bearing304+PTFE304+PTFE304+PTFE/316+PTFE
8BallASTM A105+ENPASTM A350-LF2+ENPASTM A182-F304/F316
9O-ringNBR/VitonVitonViton
10Gasket304+Graphite304+Graphite304+Graphite/316+Graphite
11NutASTM A194-2H/2HMASTM A194 4ASTM A194-8/8M
12BoltASTM A193-B7/B7MASTM A320 L7ASTM A193-B8/B8M
13SeatPTFE/RPTFE/NYLONPTFE/RPTFE/NYLONPTFE/RPTFE/NYLON
14Spring17-7PH/Inconel17-7PH/Inconel17-7PH/Inconel
15O-ringNBR/VitonVitonViton
16BonnetASTM A216-WCBASTM A352-LCB/LCCASTM A351-CF8/CF8M
17Fire safe packingGraphiteGraphiteGraphite
18Seat ringASTM A105+ENPASTM A350-LF2+ENPASTM A182-F304/F316
19Thrust washer304+PTFE304+PTFE304+PTFE/316+PTFE
20Sliding bearing304+PTFE304+PTFE304+PTFE/316+PTFE
21Release valveANSI 1045ASTM A182-F304ASTM A182-F304/F316
22sealant injectionANSI 1045ASTM A182-F304ASTM A182-F304/F316
23O-ringNBR/VitonVitonViton
24O-ringNBR/VitonVitonViton
25StemASTM A182-F6aASTM A182-F304ASTM A182-F304/F316
26Packing caseANSI 1025ASTM A182-F304ASTM A182-F304/F316
27Gasket304+Graphite304+Graphite304+Graphite/316+Graphite
28PackingGraphiteGraphiteGraphite
29ScrewASTM A193-B7/B7MASTM A320 L7ASTM A193-B8/B8M
30Worm gearAssembling PartAssembling PartAssembling Part
31Packing glandANSI 1025ASTM A182-F304ASTM A182-F304/F316
32ScrewASTM A193-B7/B7MASTM A320 L7ASTM A193-B8/B8M
33BoltASTM A193-B7/B7MASTM A320 L7ASTM A193-B8/B8M
 
34NutASTM A194-2H/2HMASTM A194 4ASTM A194-8/8M
 
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