China Butterfly valve manufacturer,factory and supplier-Butterfly valve
 info@shxvalve.com

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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email:info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer   

China centerline wafer butterfly valve

  • Port size:DN15-DN600;1/2''-24''
  • Pressure:PN10/16,150LB,JIS5K/10K
  • Structure:Concentric,rubber lined body
  • Medium:Water,air,etc.
  • Temperature :-20~150ºC (according to rubber material)
  • Body material:Cast iron, ductile iron, carbon steel,stainless steel
  • Connection:Wafer end
  • Feature:Different operation is for option.
China centerline wafer butterfly valve manufacturer,factory and supplier.Centerline wafer 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.Centerline wafer butterfly valve is available in body and disc material of cast Iron, ductile iron, carbon steel (WCB), SS 304 (CF8), SS 316 (CF8M) or other material. Our Centerline wafer 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.

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

China centerline wafer 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 24″(DN 600)
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)

China centerline wafer 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
NACE MR0175 / NACE MR
   
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)

China centerline wafer 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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