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Double Flanged End Butterfly Valve

Double Flanged End Butterfly Valve
Double Flanged End, Center Disc Design Butterfly Valve with Flow Control Lever Operated
Double Flanged End, Replaceable Seat Type Butterfly Valve with Worm Gear Actuator Operated
Double Flanged End, Concentric Disc, Butterfly Valve with Pneumatic Actuator Operated
Double Flanged End, Resilient Seated Butterfly Valve with Electrical Actuator Operated
Double Flanged End Butterfly Valve with Motorized Actuator Operated
Tight Shut Off, Zero Leakage Butterfly Valve with Double Flanged End
Slim Seal Design, Integral Flange Type Butterfly Valve
Center Disc, Slim Seal Design Butterfly Valve with Flanged End
Concentric Disc Butterfly Valve with Flanged End
Zero Leakage Type, Rubber Lined Seat, Butterfly Valve with Flanged End
Resilient Seated Butterfly Valve with Flanged End

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Double Flanged End Butterfly Valve Single Piece Cast Body: Design confirms to as per BS 5155 / API 609 / AWWA C 504 / ASME B 16.10

Butterfly Valve Flange Drilling:  As Per ANSI B 16.5, Class 125/Class 150/Class 300/BS 10 Table D/ Table E/ Table F/ Table

Double Flanged End Butterfly ValvePressure Rating: Class 125, Class 150, Class 300, PN6, PN10, PN16, PN25

Manufacturing Size Range of Flanged End Type Butterfly Valve:  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 and more big size of Butterfly Valve can manufacutrer on order basis.

Slim Seal Design, Center Disc, Double Flanged End Butterfly Valve Flow Control Lever Operated – Model Series: FBFSP1/6
Slim Seal Design, Center Disc, Double Flanged End Butterfly Valve Gear Operated – Model Series: FBFSP1G/6G
Slim Seal Design, Center Disc, Double Flanged End Butterfly Valve Pneumatic Actuator Operated – Model Series: FBFSP1P/6P

Butterfly Valve Tightness Check

  • EN 12266 (Leakage Rate A)
  • ISO 5208, Category 3
  • API 598 Table 5
  • ANSI B 16-104, Class VI

Salient Features of Double Flange Center Disc Butterfly Valve

  • Concentric Disc
  • Slim Seal Body
  • Greater Sealing Capacity
  • Elastomer Soft Rubber Seat
  • Low Torque
  • Permanently tight closure
  • Bi-Directional Valve (Inlet can be from anyside)
  • Suitable for On-off as well as Throttling Service
  • Suitable for almost all media
  • Short Compact Face To Face Dimension
  • Flanges Integral in Casted Body
  • Long Service Life
  • Smooth, Easy Operation
  • Maintenance Free Version
  • Less Weight, Easy To Install
  • Leakage Class VI (Zero Leakage)

Application of Double Flange End Butterfly Valve

  • Water Treatment Plant
  • DM Plant
  • Effluent Treatment Plant
  • Sea Water Applcation
  • Paper Industry
  • Sugar Industry
  • Breweries
  • Chemical Industry
  • Waste Effluent Treatment Plant
  • Rayon Plant
  • Drilling Rigs
  • Textile Industries
  • Gas Plant
  • Cooling Water Circulation
  • Heating & Air Conditioning
  • Pneumatic Conveyors
  • Compressed Air
  • Cement Plant Air Silo

Design & Testing International Standard of Flanged Butterfly Valve

Design Standard : BS 5155 / API 609
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 : Double Flanged End  (Flange Integral Cast)
: ANSI B 16.5, Class 150
: BS 10 Table D / E / F / H
: PN 6 / PN 10 / PN 16 / PN 25
: DIN Standard / JIS Standard / IS Standard
Manufacuring Size Range : 2″ (DN50) to 24″(DN 600)
Pressure Rating of Valve : 125 Class / 150 Class
: PN 10 / PN 16 / PN 25
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 Double Flange End Butterfly Valve

Body & Disc Material : 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 / Hastelloy C – 22/276 / Super Duplex Steel
: NACE MR0175 / NACE MR
Spindle/Stem Material : 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 / Hastelloy / Monel
: Duplex Steel / Super Duplex Steel
Seat (Bonded / Moulded Type) : NBR, Buna-N,
: Nitrile, EPDM, Neoprene, Hypalon, Ebonite
: Silicon, Viton,