Unitech valves & Automation

Wafer Type Butterfly Valves

Wafer Type Butterfly Valves

Reference Standards

Design: API 609 Category A/ EN 593
Face to Face: API 609 Category A/ EN 593 Short Wafer as Per ISO 5752 Tab 5
Flange: ISO 5211
Testing: API 598 / EN 12261 Part-1
Flange Standard: Class 150, DIN EN 1092 – PN 6/10/16/JIS5K/10K/16K

Design Features

Pressure Rating : PN 10/ PN 16/ 150#
End Connection : Wafer / Sandwich
Opt. Temp. Range : -25 C to 180 C

Technical Specifations

Design STD:API 609 Cat A
Face to Face:API 609 Cat A
End Connection:Wafer Semi Lug Type
Design:Centric – Resilent
Testing STD:API 598
Lining Material:PFA,FEP
MOC:Stainless Steel, Carbon Steel
Lining Thickness:3 to 5 mm
Spark Test:20 K.V.
Operation:Manual Lever, Gear Box, Actuator
Size in MM:50-400


Oil, Gas & Water, Steam, Petrochemicals.

Salient Features

  • Compact, Space Saving Design, Low Weight, Low Maintenance, Long Service Life.
  • Excellent Flow Control in Quarter turn Operation.
  • 100% Tight Bidirectional Shut Off.
  • Stream Lined Valve Disc Ensure Lower Pressure Drop. Easy Automation/ Retro.
  • Lower Torque Requirement because of Bearing Support to the Shafts.
  • Wide Range of Body Disc, Seat material Options.
  • Suitable for Mounting between all .

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