China Butterfly valve manufacturer,factory and supplier-Butterfly valve

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Address: NO.720, Suide Road, Jiading District,Shanghai, China.
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Concentric double flanged butterfly valve

  • Port size:DN50-DN1200;2''-48''
  • 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:Double flanged end
  • Feature:Different operator is for option.
China Concentric double flanged butterfly valve manufacturer,factory and supplier.Concentric double flanged butterfly valve is available in pressure rating of PN 10, PN 16, Class 150,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. Our 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.

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

Concentric double flanged butterfly valve specification

Size Range: DN50 - DN1200 (2" - 48")
Pressure Rating: 10 bar / 16bar
Body Patterns: Doubel flanged, Wafer / Lugged is optional
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)
Flange Standards: ANSI125/150, PN6/10/16, JIS 5K/10K
Operation: Manual, Electric, Pneumatic

Concentric double 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)

Concentric double 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)

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