Wafer Type Butterfly Valve

Wafer Type Butterfly Valve Manufacturer, Stockist, Supplier, Exporter, Importer. Rubber Lined, Elastomer Rubber Seat, Resilient, Concentric, Center Disc, Flangeless, Sandwich Body, Slim Seal Design. Butterfly Valves.

Rubberlined Bonded Seat Center Disc Butterfly Valve
Flangeless Sandwich Pattern Wafer Body Zero Leakage Butterfly Valves

Wafer Type Butterfly Valve Design Standard - BS 5155 / API 609 / AWWA C 504
End Connection - Flangeless, Sandwich Pattern, Wafer Body (mounting between two flanges)
Pressure Rating - PN10 / PN16 / 150#

Slim Seal Design, Center Disc, Wafer Type Butterfly Valve Flow Control Lever Operated - Model Series: WBFSP1/6
Slim Seal Design, Center Disc, Wafer Type Butterfly Valve Gear Operated - Model Series: WBFSP1G/6G
Slim Seal Design, Center Disc, Wafer Type Butterfly Valve Pneumatic Actuator Operated - Model Series: WBFSP1P/6P

Concetric Disc, Wafer Type Butterfly Valve Manufacturing Size Range:  DN25/25mm/One Inch, DN40/40mm/One and Half Inch, DN50/50mm/2”/Two Inch, DN65/65mm/2-1/2”/Two and Half Inch, DN80/80mm/3”/Three Inch, DN100/100mm/4”/Four Inch, DN125/125mm/5”/Five Inch, DN150/150mm/6”/Six Inch, DN200/200mm/8”/Eight Inch, DN250/250mm/10”/Ten Inch, DN300/300mm/12”/Twelve Inch, DN350/350mm/14”/Fourteen Inch, DN400/400mm/16”/Sixteen Inch, DN 450/450mm18”/Eighteen Inch, DN500/500mm/20”/Twenty Inch, DN550/550mm/22”/Twenty Two Inch, DN600/600mm/24”/Twenty Four Inch size.

Wafer Type Center Disc Rubber Lined Slim Seal Design Butterfly Valve

Nivz Wafer Type Center Disc Rubberlined Zero Leakge Butterfly Valve have been developed with extensive application, design and manufacturing expertise. Nivz High Performance Slim-Seal, Concentric design Butterfly Valves are reliable, maintenance free shutoff with permanently gas-tight seal with an integrally moulded elastomer body liner.

Nivz Butterfly Body having two nos. flange locating holes for sizes up to 12” and from size 14” and above 04 nos. for easy alignment of valve during installation. Flange locating hole confirm to as per ANSI B 16.5 Class 125 & Class 150 / BS 10 Table “D”, “E”, “F” / PN 6, PN 10, PN 16 or other international standard.

Nivz High performance butterfly valves are also available with Full-Lugs type body with raised faces and flanged ends connection on request.

Nivz Butterfly Valves are Wafer Type, Slim-Seal design, center disc, maintenance free shutoff. This wafer 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.

Nivz Slim Seal design flangless sandwich type Butterfly Valves body seat mechanism have a very low torque, tight shut off with zero leakage, compact actuator selection, and long life smooth easy operation. The slim-seal, center disc design valves are widely available with different combination of body, seat & disc materials to satisfy the need of most industrial application.

We manufacture and exporting zero leakge concentric disc butterfly valve with variety of elastomer rubber seat to suit various industrial application. Our seat range of elastomer covers EPDM, NBR, Buna-N, Nitirle, Silicon, Viton, Hypalon, PTFE, FEP, PFA etc. Our Size range of Butterfly Valve cover up to 24" (DN600) Size.

Nivz Valve & Automation also manufacturing butterfly valves in special grade of material like Alloy20, Nickel Aluminium Bronze, NAB2, Hast Alloy C22/276, Monel, SS304L, SS 316L, SS317L & Super Duplex Steel for Sea Water & Corrosive application.

We have broad experience of valve in a same field. Nivz suppying valves with Stainless Steel Hand Lever, Stainless Steel Gear & Stainless Pneumatic Actuator body for very corrosive application on customer special requirement.

Butterfly Valve Various Operation Option

Nivz make Slim seal design center disc zero leakge wafer type body Butterfly Valves are generally supplied with manual flow control hand lever operation up to 8”(DN200) and above size valve quarter turn worm gear unit operated.

Nivz Valves & Automatin also offering Butterfly Valves with either Pneumatic or Motorized Electrical actuator (single phase or three phase) operated for automation. Remote operated butterfly avaliable for ON/OFF as well praportional modulating control function with required all accessories.

We are also manufacturing of Quarter Turn Worm Gear Operated Butterfly Valve, Pneumatic Actuated Butterfly Valves, Pneumatic Actuator Operated Rubberlined Butterfly Valves, Double Acting Actuator Operated Center Disc Butterfly Valve, Single Acting Spring Return Actuator Operated Wafer Type  Butterfly Valve, Electrical Actuator Operated Butterfly Valve, Motorized Butterfly Valve, Remote Operated Butterfly Valve, On-Off Butterfly Valve, Butterfly Control Valve, Modulating Type Butterfly Valve, We can do provide any of automation in Butterfly Valve. 

We have more then 17 years of experience industrial process system field automation. Butterfly Valve can also available with accessories like Gear Box, Solenoid Valve, Air Filter Regulator, Silence, Manual Override, Valve Positioners, Relay etc. We are one of the leading Butterfly Valve Manufacturers Exporters Supplier Stockiest in India.

Nivz Valves a best quality Wafer Type Butterfly Valve Manufacturer, Stockist, Supplier, Exporter, Importer. Rubber Lined, Elastomer Rubber Seat, Resilient, Concentric, Center Disc, Flangeless, Sandwich Body, Slim Seal Design. Butterfly Valves.

Butterfly Valve Tightness Check

Salient Features of Wafer Body Center Disc Butterfly Valve

Application of Wafer Body Center Disc Butterfly Valve

Design & Testing International Standard of Wafer Type Butterfly Valve

Design Standard : BS 5155 / API 609 / AWWA C 504 Standard
Inspection & Testing Standard : BS EN 12266 - I (BS 6755-I) / API 598 / ISO 5208
Flange To Flange Distance : As Per ANSI B 16.10 / BS 5155 / API 609
End Connection : Wafer Type To Suit Between Two Flanges
  : ANSI B 16.5, Class 150 / 300
  : BS 10 Table D / E / F / H
  : PN 6 / PN 10 / PN 16
  : DIN Standard / JIS Standard / IS Standard
Manufacuring Size Range : 2" (DN50) to 24"(DN 600)
Pressure Rating of Valve : 150# / 300#
  : PN 10 / PN 16
Valve Operation : Manual Flow Control Lever / Worm-Gear Actuator Operated
  : Pneumatic Quarter Turn Rotary Actuator (Single Acting Spring Return / Double Acting)
  : Motorized Electrical Actuator Operated (Single or Three Phase Power Supply)
Valve Seat Leakge : Leakage Class VI (Zero Leakage)

MOC (Bill of Material - BOM) for Wafer Type Butterfly Valve

Body & Disc : ASTM A 126 GR. B / IS 210 GR. FG 200/220/260 (Cast Iron) / Ductile Iron / Nodular C.I.
  : 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 / Hast Alloy C - 22/276 / Super Duplex Steel
  : NACE MR0175 / NACE MR
     
Stem : ASTM A 276 T - 304 / 316 (SS 304 / SS 316)
  : ASTM A 276 T - 304L / 316L (SS 304L / SS 316L)
  : ASTM A 276 T - 410 (S.S. 410 - 13% Cr. Steel)
  : Alloy 20 / Hast Alloy / Monel
  : Duplex Steel / Super Duplex Steel
     
Seat (Bonded / Moulded Type) : NBR, Buna-N,
  : Nitrile, EPDM, Neoprene, Hypalon,
  : Silicon, Viton,
  : PTFE, PFA, FEP, Teflon (R)

Dimensions of Wafer Type Center Disc Rubberlined Butterfly Valve

Wafer Type Butterfly Valve Catalogue Drawing Download