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High-performance butterfly valves
- GF2P single-piece seat offers positive shut-off and abrasion resistance
- No contact between seat and disc in open/intermediate position
- Additional PTFE seal ring for added through-body leak protection
- Blowout-proof stem
- Bi-directional bubble tight shut-off
- ISO 5211 for Direct Mount Capability
- Lockable position plate for wrench operated valve
- Available in wafer, lug and double flange configurations
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Class and Size Ranges
Available Sizes
- 2” – 24” / DN 65 – DN 600 – Wafer, Lug, or Double Flange
Pressure Classes
- ASME Class 150/300
- DIN PN10-25
Standard Configuration
Carbon Steel Valve
ASTM A216, Gr. WCB body and gland, ASTM A351 Gr. CF8M disc, ASTM A564 Gr. 630 (17-4PH) shaft, GF2P (Molecularly Enhanced PTFE) seat, PTFE packing, and ASTM A193 Gr. B7 gland studs
Stainless Steel Valve
ASTM A351, Gr. CF8M body, gland and disc, ASTM A564, 630 (17-4PH) shaft, GF2P seat, PTFE packing, and ASTM A193 Gr. B8 gland studs
Design and Testing Standards
API 609
Specification for Butterfly Valves, Lug Type and Wafer Type
MSS SP-61
Pressure Testing of Steel Valves
MSS SP-25
Standard Marking System for Valves, Fittings, Flanges, and Unions
ANSI B16.34/ EN 12516-1
Valves – Flanged, Threaded and Butt-welding End
NACE MR0175/ ISO 15156
Sulphide Stress Cracking Resistant Metallic Material for Oilfield Equipment
ANSI B16.5, NACE MR 0103
2½ “ – 14” Pipe Flanged and Flanged Fittings
EN 1092-1
Flanges and joints
ANSI B16.47
Series A, 26” – 60” Large Diameter Steel Flanges
MSS SP-68
High Pressure Offset Seat Butterfly Valves
API 598
Valve Inspection and Testing
ISO 15848
Fugitive Emissions Testing
ASTM / ANSI/ EN
Materials
Additional Configurations
