Description
The PV57 is a wafer-pattern butterfly valve with a bonded NBR or EPDM liner, supplied with a bare shaft for selection of the required operating method.
- Available size range: DN40 to DN1200
- Working pressure: 16 bar
- Design: EN 593
- Face-to-face: EN 558-1 Series 20
- Flange compatibility: PN10, PN16, PN25, ANSI 150# and JIS 10K
- Body: Ductile iron JS1030
- Disc: Stainless steel 1.4408
- Shaft: Stainless steel 431
- Liner: EPDM or NBR, bonded (vulcanised)
- Finish: RAL 5011; legacy specification records an 80 micrometre coating
- Operation: Bare shaft; specify if a lever, gearbox or actuator is required
Specification and quote support
Send the nominal size, flange standard, process medium, temperature, pressure and preferred operating method. Final pressure rating, liner compatibility, materials and availability must be confirmed for the selected size and application at quotation.
