Our Products

BUTTERFLY VALVE
Centric & Bi-Directional Design, Wafer & Lug

Model K31:Wafer type & Model K32:Lug type

Applications : Ship building, Chemical industry, Power plants, Tank drains, Water works, Sugar mill, Infra, Dead-end, Liquid, Gases, Bulk handling, Fire protection, Cooling systems, Food and Beverages etc.

Suitable for on-off and control services

Range and Features

Type Design Pressure Seat Flange Suit To 2" to 32" 36"
Wafer Centric-Bi directional PN6, PN10, PN16 EPDM, EPDM-FOOD GRADE, BONDED/LINING, BUNA-N, VITON ANSI 150#, PN10, JIS & KS-5K/10K, BS10
Lug Centric-Bi directional PN6, PN10, PN16 EPDM, EPDM-FOOD GRADE, BONDED/LINING, BUNA-N, VITON ANSI 150#

Design, Manufacturing and Testing Standards – Technology at a Glance

Kansei Wafer and Lug Centric Bi-directional butterfly valves are designed with few moving parts to provide a long service life with minimum maintenance.
“A major advantage of Kansei product is an International compatibility.”

The Superior single piece through shaft design in One-piece body is a reliable and long-life solution for difficult conditions. Valves are with light weight and ideal economic solution for general purpose applications. Lugged valve gives alternative solution where flanged valves are considered and restrictions of space and cost.

The Replaceable Seat design isolates the line media connection from body and stem. Replaceable seat design with inbuild molded O-ring eliminates the need for gaskets between the flanges and the valve. Also serve as the flange gasket to make valve more capable. Seat is convenient and economical for field replacement.

Sealing is formed by preloaded contact between disc and seat. Shaft seal is suitable for pressure-vacuum service which is also self-adjustable, non-corrosive and heavy duty to absorb the thrust and extends valve cycle life.

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, stronger and allows quick and easy disassembly.

  • Design standard as per EN 593 or API 609 as standard, Another applicable standard on request.
  • Testing standard as per API 598 or BS EN 12266-I as standard. 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. Various Coating, Bonding and Lining as per Customer requirement.
  • Disc Design is also available without Disc Screw, 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 K31 - Size: 2” (50 mm) to 36” (900 mm) / Model K32 - Size: 2” (50 mm) to 32” (800 mm)

Valve Size Shaft Dia Dimensions - Wafer & Lugged Lugged Mountain Flange Appx. Weight in kgs.
A B C D E F G Q OD-dia. PCD NO. OF HOLES HOLE DIA Wafer Lugged
50 14.3 52 106 139 41 102 32 71 33 153 70 4 10 3.0 3.5
65 14.3 65 116 151 44 102 32 76 48 175 70 4 10 4.2 4.6
80 14.3 78 133 160 44 102 32 89 65 191 70 4 10 5.1 5.5
100 15.9 103 162 179 51 102 32 101 90 222 70 4 10 6.0 8.2
125 19.0 129 188 190 54 102 32 120 117 254 70 4 10 7.5 10.2
150 19.0 148 217 203 54 102 32 133 138 279 70 4 10 9.1 12.9
200 22.2 199 271 241 64 152 32 170 189 337 102 4 14 16.5 22.0
250 28.6 250 331 274 64 152 51 211 241 403 102 4 14 22.2 31.0
300 28.6 301 377 312 76 152 51 238 291 473 125 4 14 34.1 48.0
350 34.9 339 427 305 76 152 76 249 331 524 125 4 14 42.0 64
400 41.3 390 485 330 102 152 76 280 377 585 125 4 14 61.0 107.0
450 47.6 441 543 371 108 203 108 312 428 629 165 4 21 88.3 118.0
500 53.9 492 596 403 127 203 108 351 475 686 165 4 21 111.9 166.0
600 50.8 591 718 496 151 203 108 430 575 813 165 4 21 203.3 261.0
700 70 669 785 565 170 300 108 480 647 924 254 8 18 250 275.0
750 63.5 743 882 584 167 300 108 534 729 971 254 8 18 277 310.0
800 80 773 891 646 190 300 108 546 750 1054 254 8 18 370.0 407.0
900 76.2 895 1050 705 200 300 133 636 876 - 254 8 18 539 -

Features and Benefits :

    • Actuator/Gearbox mounting flange is standardized as per ISO 5211.
    • Lugged body has drilled and tapped (matric or imperial) as per ANSI 150#.
    • Replacable Seat design is simple, easy and fast for replacement.
    • Replacable Seat performs flange Gasket function.
    • Operating with Lever, Gear, Pneumatic, Electric etc.
    • 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.
    • Rubber bonding in Buna-N, EPDM / FKM 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.