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Valve, Butterfly Valve, Flanged Butterfly Valve manufacturer / supplier in China, offering Worm Gear Operated Flanged Butterfly Valve, Industrial Rubber Seated Globe Valve with Ce Approval, Industrial Bellow Sealing Gg25 Globe Valve and so on.

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Worm Gear Operated Flanged Butterfly Valve

FOB Price: US $10-20,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10-20,000/ Piece
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Port: Shanghai, China
Production Capacity: 10000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Driving Mode: Worm Gear
  • Structure: Three-Eccentric Sealing
  • Valve Stem: Normal
  • Working Temperature: High Temperature (T>450°C)
  • Valve Body: Casting
  • Cover: ASTM A105
  • Stem: Astn A105
  • Trademark: DBV
  • Specification: 1/2′′-80′′
  • HS Code: 8481804090
  • Connection Form: Flange
  • Seal Form: Force Sealed
  • Work Pressure: High Pressure (10.0mpa< Pn <80.0mpa)
  • Material of Seal Surface: Metal Hard Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage, Gas and Oil
  • O Ring: NBR
  • Seal Ring: A276 304
  • Transport Package: Wooden Box
  • Origin: Shanghai China
Product Description
Worm Gear Operated Flanged Butterfly Valve

Product Features

1.Elastic property of composite metal sealing ring performs zero leakageTorque seal ensures persistent two-way zero leakage.
2.The design of right-angled rotation with zero friction  is implemented by the distinctive triple eccentric principle.
3.It eliminates the friction between the seat and O-ring during 90deg rotation.
4.STL one-piece hard seat can satisfy many working conditions, with long service life and easy maintenance.One-piece casting body, with face to face dimensions conforming to ISO5752, ASME B16.10 and API609,  can replace high performance butterfly valves and other kinds of valves, to install easily and flexibly.
5.Al l metal structure and zero leakage performance make the valve have the property of "natural fire protection safety".
6.Anti-blowout stem design is safe and reliable, fully conforming to the requirements of API609.
6.The valve position indicator on the stem and the flange mounted at the top are useful to indicate the disc position.
7.The stem is adopted as one piece of shaft structure, with pin or pin-key combination to connect the stem and disc. 
Technical Specification
Design Standard:API 609
Body material:ASTM A216 WCB WCC; ASTM A217 WC1 WC6 WC9;     ASTM A351 CF8,A351 CF8M, A351 CF3,A351 CF3M,A351 CN7M; ASTM A352 LC1 LCB LCC LC3(Cast Steel, Alloy Steel, Stainless Steel, Special Steel)
Nominal PressureClass 150~2500
Nominal Diameter:1/2"~20"
End Connection:RF, FF, M, F, TG, RG
Face To Face:API 609
Working Temperature:-29ºC~+200ºC
Test And Inspection:API 598/ISO 5208
End flange dimension:ASME B16.5,ASME B16.47(API 605 ,MSS SP44)
Butt weld end dimension:ASME B16.25(BW)
Certificate:ISO9001, ISO14001, ISO28001, TS, CE,TUV

      As one of the top valve manufacturer in china, DBV( standing Design, Build, Verify ) provide the world international customers OEM for years.  DBV insist on implementing the management ideal "customer first, strict quality, technology innovation",  make efforts on developing the core of the most cutting-edge technology, provide sustainable product solution and service support to customers, to ensure the efficient protection of the customer's economic interest. DBV own endless potential to develop more high-end products, and fully invests into the continuous technology innovation and qualified service, committed to become one of the best professional, the most comprehensive and the most reliable valve enterprises.

You are welcome to visit us freely, inspect and verify us any time.

Joizie Jiang(Sales Manager)
Shanghai Factory :  No.255 Shenjiabang Road, Baihe Town, Qingpu District,Shanghai China.
Wenzhou Factory:  AnFeng Industry Zone, Oubei Town, Wenzhou, Zhejiang, China
Tel: 0086-577 6738 7711                              Fax: 0086-577 6738 3000
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Ms. Joizie
Sales manager
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