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LINED BUTTERFLY VALVES
- Live loaded, low emission stem seal standard
- Energized seat for bubble tight shut-off
- Two piece lug or wafer style body
- One piece integrally cast duplex stainless steel disc-shaft core
- Virgin un-pigmented PFA lined disc-shaft, GF2P lined body
- Blow-out proof stem
- ISO 5211 mounting standard
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Class and Size Ranges
Available Sizes
- 2” – 24” / DN 50 – DN 600
Pressure Classes
- ASME Class 150 / PN10-16
Materials
ASTM A216 WCB body housing GF2P lined, ASTM A351 CD4MCuN disc-shaft core PFA lined, silicon back-up liner
Design and Testing Standards
API 609
Specification for Butterfly Valves
ANSI B16.10
Face-to-Face and End-to-End Dimensions of Valves
ANSI B16.34/ EN 12516-1
Valves Flanged, Threaded, and Welded Ends
NACE MR0175/ ISO 15156
Sulphide Stress Cracking Resistant Metallic Material for Oilfield Equipment
EN 1092-1
Flanges and joints
ANSI B16.5
2“ – 24” Pipe Flanges and Flanged Fittings
MSS SP-55
Quality Standard for Steel Castings for Valves
ASTM / ANSI / EN
Materials
API 598
Valve Inspection and Testing