Soft seat (butterfly valve)

Shaft centered butterfly valves for general services and different grades of elastomer (including PTFE).

Specifications

1. Phenol seat case, non deformable, shrink/stretch resistant, anti blow-out stem and replaceable.
2. Disk with accurate profile: Ensures leak-tight closing, low torque and protects seat.
3. Multiple seat, body materials and design are adaptable to many applications.
4. Wafer or Lug type design.

Features

Size: from 2″ to 48″
Pressure: class 150 – PN16
Material: wrought iron, ductile cast iron, A216WCB, CF8, CF8M.
Disk: nickel plated, ductile cast iron, A216WCB, CF8, CF8M
Seat: EPDM, NBR, VITON
Test standard: API-609, API-598, MSS SP-61,
Design: ANSI B16.5, ANSI B16.34
Structure: WAFER or LUG
Actuation: can operate with lever, gear, pneumatic or electric actuator with handwheel for emergencies.
Medium: ideal for several media including water, steam, oil, gas, petrol products, nitric acid, acetic acid, etc.
Working temperature T: from -46ºC or -50ºC (stainless steel constructions) and -29ºC (carbon steel constructions) up to 275℃

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