Gold Member Since 2014
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Fangyuan Valve Group Co., Ltd.

Trunnion Mounted Ball Valve, Ball Valve, API 6D Ball Valve manufacturer / supplier in China, offering Cast Steel Trunnion Ball Valve, API 6D Swing Check Valve A217, Cast Steel Slab Gate Valve with Gear Box and so on.

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Supplier Homepage Product Trunnion ball valve Cast Steel Trunnion Ball Valve

Cast Steel Trunnion Ball Valve

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 5000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: API 6D
  • Connection Form: Flange
  • Nominal Pressure: Class 150~2500lbs
  • Structure: Fixed Ball Valve
  • Function: Blow-Down Valve, Relief Valve, Atmospheric Valve, Bypass-Valve
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Class: 150lbs-2500lbs
  • Transport Package: Plastic+Plywood Case
  • Origin: China
  • Material: Carbon Steel
  • Driving Mode: Worm Gear
  • Channel: Straight Through Type
  • Type: Trunnion Ball Valve
  • Temperature: Normal Temperature
  • Size: 2′′-64′′
  • Trademark: FYV
  • Specification: API/ISO/CE
  • HS Code: 8481804090
Product Description
Product Description
1)Make strictly according to NACE MR-01705;
2)Doubel block and bleed
3)Fire safe design
4)Blow-out proof design
5)Anti-static design
Standard Compliance
1) Design and manufacture standard: API 6D, API 608, ASME B16.34, MSS SP-72
2) Test standard: API 598
3) End connection standard: ASME B16.5
4) Face-to-Face standard: ASME B16.10
Specifications
1) Class: 150LB~1500LB
2) Size: NPS 2"-32"
3) Body material: A105, 304, 316, 304L, 316L, F11, F22, LF2, F51
Main Feature:
Urgent grease injection device
According to customer s' requirement, the trunnion ball valves made by our company are provided with devices for urgent grease injection, which are on both the stem and seat for the trunnion ball valves of DN >150mm (NPS), and in the body cavity for the valve of DN < 125mm. When the O ring of stem or the body seat ring is damaged due to accident, the medium leakage between body and stem can be prevented by injecting the sealing grease through the device.
Double-block and bleed functions
In general, our company's trunnion ball valve features the front ball sealing design structure. Each seat of the ball valve can separately cut off the medium at both inlet and outlet of the valve to realize double-block functions. When the ball valve is closed, body cavity and two of the body ends can be blocked with each other even if both the inlet and outlet are under pressure, when the medium left in the body cavity might be bled through the relief valve.
Fire safe design
With the valve heated in a fire application, the non-metal material parts such as seat sealing ring of PTFE, O ring for the stem, and sealing gasket for body and bonnet, might be damaged due to high temperature. Our company's special design of auxiliary metal to metal or the graphite seal is provited fo rthe trunnion ball valve to effectively prevent both internal and external leakage of the valve. As required by customers, our company's fire safe design for the trunnion ball valve meets the requirement of API 607, API 6Fa, BS 6755 and JB/T 6899.
Self-relief in the body cavity
As the liquid medium left in the body cavity gasifies due to increased temperature, the pressure in the body cavity becomes abnormally higher, when the medium itself in the cavity would propel the seat and self-relieves the pressure to ensure the safety of valve.

Our Advantages:
1. We Are Factory: FYV has 3 production bases and 1 foundry which located in Wenzhou, Shanghai and Lishui city of China. The Factory Size in Square Meters: 110, 000. FYV has over 600 staff members, more than 60 technical engineers, a digital process center and more than 350 sets of various middle and large equipments. The annual sales revenue reaches above $80 million US Dollars.
2. Regional Sales: We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market. For example: Russian, German, Spanish, Japanese, etc.
3. Low MOQ: Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well.
4. OEM Accepted: We can make the products with the client's demand standard or the custom requirement.
5. Complete Service: We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you.
6. Good Quality: We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with the time goes by.
7. Quick Delivery: We have the large stock for some hot products.
8. Competitive Prices: We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer.
O.Parts NameCarbonSteel SeriesStainless steel SeriesLow Temperature 
Series
Anti-Sulphur
 GB Standard NACE Standard
1BallA105+HCr/ENPA351\CF8\CF8M\CF3\CF3MA352 LCB\LCC+ENPA105+HCr/ENPA351 CF8M+ENP
2Bush Bearing PTFE\Metal +PTFE,Braided Graphite Fibre
3Sealing RingPTFE\RPTFE\NYLON\MOLON\DELRIN PEEK
4SeatA105+HCr/ENPA182\F304\316A182\F6aA105+HCr/ENPA182\F316
5O RingVITON
6Safe Gasket Soft Graphite+ SS
7Supporting RingA105+HCr/ENPA182\F304\316A182\F6aA105+HCr/ENPA182\F316
8SpringINCONEL 750
9O Ring VITON
10Sealant Injection Valve The same material with Body
11GasketSoft Graphite+ SS
12BonnetA216 WCB A351\CF8\CF8M\CF3\CF3M A352 LCB\LCC A216 WCB A351 CF8M
13Stud193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
14NutA194 2HA194 8MA194 4A194 2HMA194 2HM
15NippleA193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
16PlugA105+HCr/ENPA182\F304\316A182 F6aA105+HCr/ENPA182 F316
17Gasket RPTFERPTFE RPTFE
18NippleA193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
19BallA182 F304
20Bottom coverA105+HCr/ENPA182\F304\316A182 F6aA105+A182 F316\HCr/ENP
21Gasket
 Soft Graphite+ SS 
22O Ring  VITON
23Sealant Injection ValveThe same material with Body
24BodyA216 WCBA351\CF8\CF8M\CF3\CF3MA352 LCB\LCCGB/T12229\A216 WCBA351 CF8M
25Bush BearingPTFE\ Metal+PTFE,Braided Graphite Fibre
26Drainage ValvesThe same material with Body
27SpringA182 F304
28KeyGB/T699 45
29StemA182 F6aA182 F304\316A182 F6aA182 F304A182 F304
30Thrust bearing PTFE\Metal+PTFE,Braided Graphite Fibre
31O Ring VITON
32GasketSoft Graphite+ SS
33Back SeatA105+HCr/ENPA182 F304\316A182 F6aA105+HCr/ENPA182 F316
34NippleA193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
35PackingPTFE Soft Graphite, PTFE
36Packing GlandA182 F6A182 F304\316A182 F304 A182 F6 A182 F316
37Gland FlangeA216 WCBA351 CF8\CF8MA351 CF8A216 WCBA351 CF8M
38BoltA193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
39BoltA193 B7A193 B8\B8MA320 L7A320 L7A193 B7M
40Yoke A216 WCBA351 CF8A352 LCBA216 WCBA351 CF8
41BoltA193 B7A193 B8\B8MA320 L7A193 B7MA193 B7M
42Operation TypeWorm Gear,Electric Operation,Pneumatic Operation,Airdraulic Operation
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