Rubber Lined Wafer Type Butterfly Valve

 Salient Feature:

• Meets manufacturing standard Design as per BS 5155 / API 609 (Category –A) / ANSI B 16.34 / BS EN 593 and inspection & Testing standard as per API 598 / BS 6755 / ISO 5208.
• Face to Face Wafer short dimensions confirms to BS 5155 / API 609 / AWWA C 504 / ISO 5752.
• A fully Universal Body design ensures suitable for mounting between all popular standards (Viz: - ANSI,BS,DIN,IS, JIS etc).
• SPLIT Body compact design for Open / Close cycle with very low torque.
• 2 Pc. SPLIT body with replaceable PTFE Seat type valves can be supplied on Request.
• Double Shaft: Reduce the valve operation torque and also reduce the flow resistance force.
• Replaceable / Moulded Rubber Seat in various material.
• 100% tight shut off in both flow direction.
• Lower torque requirement because of bearing support to the shaft.
• The Notch Disc & band lever ensures locking of the valves in 8 intermediate positions in addition to close & open position.
• Neck Flange according to ISO 5211 hand lever can be locked through pad lock.
• Excellent Flow control in quarter turn operation.
• Disc – Polished disc edge precision profile edge shape reduces the valve operation torque and maximum seat life.
• Body & Stem to fully protected from service Fluid.
• Centrally mounted Disc, Shafts and bearings, therefore valves give higher CV Value.
• Pressure Rating : PN 10 / PN 16
• Testing Body : 1.5 x PN
• Seat : 1.1 x PN
• Temperature Range : -20ºC to 180ºC (Depending upon MOC).

Options:

• Top- Bottom Lug / Full Lug type Body Design available on Request.
• Flanged Ends Design Butterfly valves available on Request.
• Antistatic device provided in Fire safe Design.
• Valves can be operated by manually, Gear Unit or Pneumatic / Electrically Actuator.
• PFA / FEP Lined Butterfly Valve available for heavy Corrosion Flow media on Request.
• Antistatic Lining Butterfly Valve available on Request.
• Valves can be supplied with PTFE Lining / Coating for Corrosion Application.
• Pinless design available up to 32” NB.
• Seat supply in different M.O.C. such as 1] Nitrile, 2] EPDM, 3] Hypalone, 4] Silicon, 5] Viton, 6] Neoprene, 7] PTFE.
• Offset Disc Design Butterfly Valves available in 600 NB & above valve Sizes.
• High performance metal to metal contact valves for high temperature & Hot Gases available on request.
• Double Eccentric / Triple Offset Butterfly Valves available on Request.
• Nylon Coated / Teflon Coated Disc available on request.
• Replaceable seat design.
• Dual back ribs centrally located in Body.
• Wider disc seating contact.
• Gasket less Flange sealing contact for easy valve mounting.

Application:

• Compressed Air Plants         
• Chemical Industries
• Sugar Industries        
• Drilling Rings
• Gases & Vapour Plants        
• Paper Industries
• Pharmaceutical Plants        
• Milk & Food Industries
• Aggressive Chemicals        
• Refrigeration & Air-conditioning Plants
• High Vaccume Application        
• Cooling Water Circulation
• Construction Industries        
• Water treatment Plant
• Desulphurization Plants