Wafer with bare shaft high performance butterfly valve without any operating device, with upper flange in accordance with ISO 5211 standard, suitable for assembling worm gear operation, pneumatic actuators and electric actuators.

Size: 2″-20″
Material: stainless steel 304/316, carbon steel WCB
Standard: ANSI Class 150, EN PN16, etc.
Product Overview
This page presents a high-performance wafer butterfly valve with a bare-shaft configuration. The operating interface should be selected for the required installation and operating arrangement.
Selection Notes
Confirm the operating medium, service conditions, wafer installation details, selected materials, seating arrangement and required operating interface before ordering.
FAQ
What information is needed to match an actuator to this bare-shaft wafer valve?
Send the proposed actuator datasheet and coupling drawing for comparison with the selected valve stem and mounting dimensions, required travel and torque data. Include the companion flange details, pipe bore and available installation space so both the wafer installation and drive arrangement can be reviewed.
What flange information is needed?
Provide the mating flange and piping details for the wafer installation.
Which service details should be confirmed?
State the medium, service conditions and selected materials for review.
Related Information
Explore Butterfly Valves, compare a handle-operated wafer example, read Valve Technical Knowledge, or learn About Trekre.