Our Products

BUTTERFLY VALVE
Centric & Bi-Directional, Double Flanged

Applications : Ship building, Chemical industry, Power plants, Water works, Infra, Liquid, Gases, Fire protection, Cooling systems, dead-end service, Sea water etc.

Suitable for on-off and control services

Range and Features :

Type Design Pressure Seat Flange Suit To Size(mm)
Double Flanged Centric-Bi directional PN6, PN10, PN16 EPDM, BUNA-N, VITON ANSI /ASME B16.1, BS4504, JIS B2210, DIN 2501 50 t0 600

Design, Manufacturing and Testing Standards – Technology at a Glance

Kansei Double flanged Centric design Bi-directional butterfly valves are designed to accommodate a wide range of flange drillings. Each size valve flange has been designed to have the maximum outside diameter and maximum thickness of the nominated flange standards.
“A major advantage of Kansei product is an International compatibility.”

The valve face to face in accordance with BS 5155 Short, ISO 5752 Table 4, EN-593 and
AWWA C-504.

The Replaceable Seat design meets the requirements of seat replaceability on field and solves the problem of internal protection of the valve body as the seat encapsulates the wetted area. The seat is of a molded construction and fits easily into the body which also provides superior corrosion protection. The Seat covers the entire interior of the valve body and extending onto the grooved flange faces which provides flange sealing and eliminating the need for gaskets. The Seat has a peripheral band which seats in a bed-groove pocket in the body to hold the seat securely in place when the disc is closing and attempting to move from seating surface.

Upper and Lower shaft bearings prevent shaft deflection and provide optimum guidance to increase the valve life. Primary shaft sealing by pre-loaded contact between seat flat surface which completed isolates the shaft and body from the flow stream.

The Disc hub-edge profile is spherically machined and rounded manually with polishing to provide full concentric seating without obstruction to flow which gives maximum seat life, minimum torque and bubble tight shut-off. Disc-Screw connection with disc is positive, shake proof, stronger and allows quick and easy disassembly.

  • Design standard as per EN 593, AWWA C-504 or API 609 as standard, Another applicable standard on request.
  • Testing standard as per API 598 or BS EN 12266-I as standard. 100% bubble tight shut off valve.
  • Certificate EN10204 Type 3.1 as standard & Manufacturing under Quality system ISO 9001: 2015.
  • Casting inspection as per MSS-SP-55 as standard. Another applicable standard on request.
  • Trims available with combination of various Casting material like CI/ DI/ NICI/ NIDI/ WCB/ CF8/ CF8M/ CF3M/ GR. 4A-5A / NAB etc. and Seat Material like EPDM / BUNA-N / VITON etc. Coating and Lining as per Customer requirement.
  • 100% factory tested (Hydro, Pneumatic) and Inspected valves as per standard.
  • Lever / Gear / Pneumatic / Electric Operation as per customer requirement.

Valve Operations :

TECHNICAL DATA (Model K39)

Size: 2” (50 mm) to 24” (600 mm)

End Connection Accomodation :

    • ANSI B16.1(150#), DIN PN10/PN16, ANSI B16.47(150#) Series A, ISO 7005 PN10/PN16, BS 10 TABLE D/E/F, JIS PN10
Valve Size Shaft Dia A B C D E F G Q
EN 593
80 14.3 78 200 159 114 32 19 100 0
100 15.9 103 230 178 127 100 32 24 0
150 19.1 148 306 203 140 100 32 26 49
200 22.2 199 369 242 152 150 32 29 129
250 28.6 250 430 273 165 150 51 30 188
300 28.6 300 491 311 178 150 52 32 243
350 34.9 338 550 305 190 150 76 35 281
400 41.3 390 611 336 216 150 69 37 325
450 47.6 441 676 369 222 210 108 40 382
500 47.6 492 701 404 229 210 108 43 436
600 57.2 598 816 496 267 210 100 48 531
AWWA C504
200 28.6 199 369 242 152 150 32 29 129
250 28.6 250 430 273 203 150 51 30 146
300 31.8 300 491 311 203 150 52 32 222
350 34.9 338 550 305 203 150 76 35 273
400 41.3 390 611 336 203 150 69 37 334
450 47.6 441 676 371 203 210 108 40 392
500 54 492 701 404 203 210 108 43 448
600 63.5 598 815 496 203 210 100 48 559

Mounting Flange & Weight

Valve Size PCD NO. OF HOLES HOLE DIA Appx. Weight in Kgs
EN 593
80 70 4 11 14
100 70 4 10 20
150 70 4 10 28
200 125 4 14 46
250 125 4 14 67
300 125 4 14 85
350 125 4 14 118
400 125 4 14 158
450 165 4 21 192
500 165 4 21 224
600 165 4 21 375
AWWA C504
200 125 4 14 48
250 125 4 14 66
300 125 4 14 84
350 125 4 14 118
400 125 4 14 159
450 165 4 21 192
500 165 4 21 222
600 165 4 21 375

Features and Benefits :

  • Actuator/Gearbox mounting flange is standardized as per ISO 5211. Drilling & Tapping as per customer need.
  • Valves are Bi-directional and will control the flow in either direction of flow.
  • Replacable Seat performs flange Gasket function. Gasket between Valve & Flange faces are not required.
  • Operating with Lever, Gear, Pneumatic, Electric etc.
  • Suitable to ANSI B16.1, BS4504, JIS B2210, DIN 2501
  • All dimensions are in mm and subject to change.
  • Valve shape is for reference only.
  • Q is the disc chordal dimension at valve face for disc clearance into pipe of equipment.
  • Weight mentioned for bare shaft valve only and depends upon material used in valve.
  • Protective coatings / Rubber bonding-lining options also available instead of Replaceable rubber seat.

General Notes :

    • Customization and Automation as per customer requirements.
    • Certificate of compliance to EN10204 Type 3.1 as standard.
    • Safety stock as per customer requirements.
    • 100% factory tested and inspected valves as per standard.
    • Other trims also available as per customer requirements.
    • Support to customers for other product requirements from sources.
    • Consult to Factory for Torque and Other Details.