China Butterfly valve manufacturer,factory and supplier-Butterfly valve

contact us


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

Flanged butterfly valve manufacturer and supplier

  • Port size:DN40-DN2000;1 1/2''-80''
  • Pressure:PN16 ~ 64,150LB ~ 600LB
  • Structure:soft seated or metal seated structure
  • Medium:Water,steam,oil,gas
  • Temperature :-20~120ºC(soft seated)-46~450ºC(metal seated)
  • Body material:Cast iron, ductile iron, carbon steel,stainless steel
  • Connection:Double flanged end
  • Feature:Different operation is for option.
China flanged butterfly valve manufacturer,factory and supplier,flange butterfly valve can be concentric or eccentrc design with NBR,EPDM,VITION body lined soft seated structure.Flanged butterfly valve is available in pressure rating of PN 10 to PN64, Class 150 to Class 600,which is available in body and disc material of cast Iron, ductile iron, carbon steel (WCB), SS 304 (CF8), SS 316 (CF8M) or other material. Flanged 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.

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

Flanged butterfly valve specification

Size Range: DN50 - DN2000 (2" - 80")
Pressure Rating: 10 bar to 64bar, Class 150 to Class 600
Body Patterns: Double flanged, Wafer / Lugged is optional
Body Seat: Soft seated:NBR,EPDM,VITION,PTFE,etc.
Metal seated:304/316+Graphite
Body Materials: Cast iron,Ductile Iron,Carbon steel,Stainless steel
Disc Materials: Cast iron,Ductile Iron,Carbon steel,Stainless steel
Temperature Rating: -20°C to +180°C (Differnt rubber,different temperature range)
-196°C to +550°C(Metal seated structure)
Flange Standards: ANSI/BS/API/DIN/JB
Operation: Manual, Electric, Pneumatic

Flanged 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)

Flanged butterfly valve available operation
1.Manual Handle Lever (DN50-DN200)
2.Manual Geared Hand Wheel
3.Manual Handle with Limit Switch (DN50-DN200)
4.Geared Hand Wheel with Chain Wheel

5.Electric actuator:on-off type,regulating type,intelligent type

6.Pneumatic actuator (spring return)
7.Pneumatic actuator (double acting)

China butterfly valve manufacturer, china butterfly valve factory, china butterfly valve supplier for pneumatic butterfly valve,electric butterfly valve, flanged butterfly valve,wafer butterfly valve,lug butterfly valve,concentric butterfly valve, double eccentric butterfly valve, triple eccentric butterfly valve,double offset butterfly valve, triple offset butterfly valve, rubber lined butterfly valve, PTFE FEP PFA lined butterfly.