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  • Butterfly Valve

Butterfly Valve -  

Butterfly Valve

Features

  • Efficient
  • Longer functional life
  • Excellent resistance properties
Size 50mm to 450 mm.
Body S.G. Iron, WCB, CF8(SS 304) or CF8M(SS 316) Lined With FEP/PFA
Body Seat (Sleeve) I Lining FEP/PFA 50mm to 200mm above 200mm PTFE.
Flapper ASTM A 351 GR. CF 8 (S.S. 304). ASTM A 351 GR. CF 8M (S.S. 316) ASTM A216, WCB
Flapper Lining Material FEP/PFA. Lining Thickness: - 3 to 5 mm THK.
Design Two Piece As per BSEN E: API
Temp. Resistant FEP :-20 to 180° PFA :-20 to 230°
Testing Hydro Test-11 kg /cm2 to Full Vacuum as per BS/API Pneumatic Test - 7 kg/cm2 Spark Test-15 KVA DC
F to F As per Class 150

Features

  • Compact Design.
  • Fully flow control in quarter turn operation.
  • Bidirectional 100% tight shut off.
  • Both shaft mounted in bearing supports for easy operating torque.
  • Suitable for mounting.
  • Not require any type of gasket packing to install.

Bill of Material

Body ASTM A395 (DI) / ASTM A 216 (WCB)
Flapper WCB / CB7 Cu1 / CF8 /CF8M
Lining (Sleeve and Flapper) PFA ASTM D- 3307

Dimention Specifitation

ALL DIMENTION ARE IN MM
FLANGE DIMENTION AS PER ANSI B. 16.5 AND ASA 150#

Testing Parameters as Per EN 12266-1

Hydro Test Body AT 11.0 KG/CM2 AFTER LINING
Pneumatic Test AT 07.0 KG/CM2 AFTER LINING
Spark Test AT 15 KV DC AFTER HYDRO TEST
Lining Thikness AS PER ASTM F 1545
Dimentions and Visual Check 100%

SIZE L F
50 NB 265 43
65 NB 265 46
80 NB 265 46
100 NB 350 52
125 NB 350 56
150 NB 430 56
200 NB 430 60
250 NB Gear Box 68
300 NB Gear Box 78
350 NB Gear Box 78

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