China Butterfly valve manufacturer,factory and supplier-Butterfly valve

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Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer   

Stainless steel wafer type butterfly valve

  • Port size:DN50-DN1200;2''-48''
  • Pressure:PN10/16,150LB,JIS5K/10K
  • Structure:soft seated or metal seated structure
  • Medium:Water,steam,oil,gas
  • Temperature :-20~120ºC(soft seated)-46~450ºC(metal seated)
  • Body material:CF8 CF3 CF8M CF3M or other stainless steel
  • Connection:Wafer type
  • Feature:Different material is optional
China stainless steel wafer butterfly valve manufacturer,factory and supplier.Stainless steel wafer type butterfly valve is available in pressure rating of PN 10, PN 16, Class 150.The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards.Stainless steel wafer type butterfly valve is available in body and disc material of SS 304 (CF8), SS 316 (CF8M) or other stainless steel material. Our Stainless steel wafer type butterfly valve comes with wide range of Rubber Liner Options like Black Nitrile, EPDM, Viton, Hypalon, Silicon etc and metal seated structure for sever working condition.

Stainless steel wafer type butterfly valve operation options include lever, gear unit, motorized, electrical actuator,pneumatic actuator (double / single acting).Stainless steel wafer type butterfly valve can also be supplied with special arrangement of long neck, extended stem, locking arrangement, limit switch and chain wheel operator.

Stainless steel wafer type butterfly valve specification
Design Standard BS 5155 / API 609 / AWWA C 504 Standard
Inspection & Testing Standard BS EN 12266 – I (BS 6755-I) / API 598 / ISO 5208
Flange To Flange Distance As Per ANSI B 16.10 / BS 5155 / API 609
End Connection Wafer Type To Suit Between Two Flanges
  ANSI B 16.5, Class 150 / 300
BS 10 Table D / E / F / H
PN 6 / PN 10 / PN 16
DIN Standard / JIS Standard / IS Standard
Manufacuring Size Range 2″ (DN50) to 48″(DN 1200)
Pressure Rating of Valve 150# 
PN 10 / PN 16
Valve Operation Manual Flow Control Lever / Worm-Gear Actuator Operated
Pneumatic Actuator (Single Acting Spring Return / Double Acting)
Motorized Electrical Actuator Operated Single or Three Phase Power Supply
Valve Seat Leakge Leakage Class VI (Zero Leakage)

Stainless steel wafer type butterfly valve available material
Body & Disc Material ASTM A 126 GR. B / IS 210 GR. FG 200/220/260 (Cast Iron) / Ductile Iron
ASTM A 216 GR. WCB (Cast Carbon Steel)
ASTM A 351 GR. CF 8 / CF 8M (SS 304 / SS 316)
ASTM A 351 GR. CF 3 / CF 3M (SS 304L / SS 316L)
ASTM A 351 GR. CN7M (Alloy 20)/ ASTM A351 Gr. CF8C
ASTM A351 Gr. CD4Mcu / ASTM A351 Gr. CK3MCuN
ASTM A352 Gr. LCA / LCB / LCC (Low Temperature Carbon Steel)
Aluminium Bronze / Hastelloy C – 22/276 / Super Duplex Steel
Spindle/Stem Material 304 / 316 (SS 304 / SS 316) – ASTM A 276 T
304L / 316L (SS 304L / SS 316L) – ASTM A 276 T
ASTM A 276 T – 410 (S.S. 410 – 13% Cr. Steel)
Alloy 20 / Hastelloy / Monel
Duplex Steel / Super Duplex Steel
Seat (Rubber seated) NBR, Buna-N,
Nitrile, EPDM, Neoprene, Hypalon,
Silicon, Viton,
Seat (Metal seated) 304/316+Graphite (Lamilated structure)

Stainless steel wafer type butterfly valve feature
1. Integrally molded seat liner on the body, which ensures excellent dimensional stability & guaranteed seat tightness.
2. Seat liner extending on to the contact faces ensures perfect sealing and eliminates the need for separate flange gaskets.
3. Unique triple sealing system for shaft sealing ensures zero leakage of the media past the shaft seals.
4.Narrow land disc ensures perfect sealing with least operating torque requirements.
5.A fully universal body design ensures fitment of the valve between companion flanges of all popular standards (ANSI, BS, DIN, JIS, GB.etc. ).
6. Several position notch disc and hand lever ensures locking of the valve in 8 intermediate position in addition to closed and open position. Hand
7. Lever lockable through pad lock for tamper proof positioning.
8. Body castings made of superior material to ensure additional strength.
9. Wafer butterfly valve disc made of ductile cast iron instead of cast iron to withstand against possible water hammer or pressure surges.
10. A truly line size body bore to ensure maximum flow capacity with the lowest pressure drop.
11. Shafts made of martensitic stainless steel to ensure maximum strength and torsional rigidity.
12. Both top and bottom shaft swiveling are guided by self – lubricated bearings.

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