Butterfly Valve

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A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates.

Butterfly Valve

Flosteer Slim-Seal، Center design High Performance Butterfly Valves are reliable، maintenance free shutoff with permanently gas-tight seal with an integrally moulded/replaceable elastomers body liner. These butterfly valves excess other conventional valves such as gate valve and globe valves in all aspects، especially in terms of light weight، less number of component، no flange gaskets required and economical operation and maintenance costs.

Flosteer body seat mechanism offer a very low torque، tight shut off with zero leakage، compact actuator selection، and long life service. The slim-seal design valves are widely available with different combination of body، seat & disc materials to satisfy the need of most industrial application.

Features :

  • Center Disc، Slim-Seal Design
  • Moulded/Replaceable Seat option
  • Double Gland Sealing Arrangement
  • Permanently tight closure
  • Materials for almost all media
  • Short Face To Face، Wafer Design Body
  • Smooth، Easy، Maintenance Free Version
  • Less Weight، Easy To Install

Flosteer also offer Off Set Disc Design Butterfly Valve for high pressure and temperature with seat material P.T.F.E.، Silicon، Viton، NBR، Nitrile، Neoprene and EPDM.

Flosteer High performances Butterfly Valves are also available with P.T.F.E. (PFA/FEP) lining and Nylon Coating.

Flosteer covers Pneumatic Rotary Actuator / Pneumatic Cylinder / Electrical Actuator operated valves along with accessories like Gear Box، Solenoid، Limit Switch، Valve Positioner، I/P Converter، Air Filter Regulator etc.

Butterfly Valve

Standards :

Design Standard

BS 5155/API 609

Inspection & Testing Standard

BS 6755

Face To Face

As Per ANSI B 16.10

End Connection

Wafer Type، Flangeless

Suitable To Mount Between ANSI B 16.5/BS 10/DIN/IS Flange

Size Range

1 1/2" To 40"

Pressure Rating

150#

Nomenclature :

Body

C.I. TO IS 210 GR. FG 200/220/250/260/Ductile Iron

ASTM A 216 GR. WCB

ASTM A 352 GR. LCB/LC3

ASTM A 351 GR. CF 8/CF 8M/CF 3/CF 3M

Disc

C.I. TO IS 210 GR. FG 200/220/250/260/Ductile Iron

ASTM A 216 GR. WCB

ASTM A 351 GR. CF 8/CF 8M/CF 3/CF 3M/With Nylon Coating

Spindle

AISI 410/304/316/304L/316L

Body Liner

Nitrile/EPDM/NBR/Neoprene/Viton/Silicon/Hypalon/P.T.F.E.

Gland Seal

EPDM/Neoprene/Viton/Silicon/P.T.F.E.

 

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