Double Offset Disc Butterfly Valve, Eccentric Disc, Spherical Disc, High Performance Butterfly Valve, Double Flanged End Off Center Disc Butterfly Valve, Wafer Type Double Eccentric Disc Butterfly Valve, Replaceable PTFE Seated Butterfly Valve, Renewable Teflon Seat Butterfly Valve
Spherical Disc - Double Offset Disc - Eccentric Disc Design Butterfly Valve Flow Control Lever Operated - Model Series: WBFSP1/6
Double Offset Disc - Eccentric Disc - Spherical Disc Design Butterfly Valve Gear Operated - Model Series: WBFSP1G/6G
Eccentric Disc - Spherical Disc - Double Offset Disc Design Butterfly Valve Pneumatic Actuator Operated - Model Series: WBFSP1P/6P
Double Offset Disc 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.
Zero Leakge, High Performance, Spherical Disc, Dual Eccentric Disc, Double Offset Disc Butterfly Valve have been developed with extensive application, design and manufacturing expertise. Nivz make High Performance, Renewable PTFE Seat, Wafer Type - Flangeless Butterfly Valves are reliable, maintenance free shutoff with permanently gas-tight seal with an replaceable Teflon or Elastomer Rubber Seat.
Double Offset Disc Butterfly Valve wafer type 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.
We are also manufacturers and exporters of Double Flanged End Double Offset Disc Butterfly Valves with renewable type seat with Flow Control Lever, Gear, Pneumatic Actuator, Motorized Electrical Actuator Operated.
Spherical Disc Type 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.
Our manufacturing range of Double Eccentric Disc Design 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. High Performance type eccentric 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, dual eccentric disc butterfly valves 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. Our Size range of Butterfly Valve cover up to 24" (DN600/600NB/600MM) Size.
Nivz Valve & Automation also manufacturing butterfly valves in special grade of material like CN7M-Alloy20, Nickel Aluminium Bronze, NAB2, Hastelloy C22/276, Monel, SS304L, SS 316L, SS317L, D2205, D2507, 4A, 5A & Super Duplex Steel for Sea Water & Corrosive application.
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 Double Offset Butterfly Valve, Pneumatic Actuated Eccentric Disc Butterfly Valves, Pneumatic Actuator Operated Spherical Disc Butterfly Valves, Double Acting Actuator Operated Dual Offset Disc Butterfly Valve, Single Acting Spring Return Actuator Operated Wafer Type Butterfly Valve, Electrical Actuator Operated Offset Disc Design Butterfly Valve, Motorized actuator Operated Spherical Eccentirc Butterfly Valve, Remote Operated High Performance Butterfly Valve, On-Off Butterfly Valve Double Flanged End, High Performance Butterfly Control Valve, Modulating Type PTFE Seated Butterfly Valve, We can do provide any of automation in Butterfly Valves.
We have more than 20 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 Butterfly Valve Manufacturer, Stockist, Supplier, Exporter, Importers.
Salient Features of Double Offset Disc Butterfly Valve
- Flangless - Wafer - Sandwich Type
- Greater Sealing Capacity
- Soft Seat Design, Easy to replace
- Lower Torque with any fluid
- Permanently tight closure
- Uni-Directional Valve
- Suitable for On-off as well as Throttling Service
- Materials for almost all media
- Short Face To Face Dimension
- Wafer compact design Body
- Long Service Life
- Smooth, Easy Operation
- Maintenance Free Version
- Less Weight, Easy To Install
- Leakage Class VI (Zero Leakage)
Application of Spherical Disc / Double Offset Disc Butterfly Valve
- Pharmaceutical Industries
- Water Treatment Plant
- Cement Plant
- Thermal Power Plant
- Paper Industry
- Tyre Manufacturing Plant
- Sugar Industry
- Breweries
- Chemical Industry
- Waste Effluent Treatment Plant
- Drilling Rigs
- Gas Plant
- Steel Plant
- Cooling Water Circulation
- Heating & Air Conditioning
- Pneumatic Conveyors
- Compressed Air
- Cement Plant Air Silo
Design & Testing International Standard of
High Performance / Double Offset Disc 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
Dual Eccentric Disc / Double Offset Disc 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) |