Triple-offset butterfly valve, metal-seated (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator. Body made of steel or stainless steel, full-lug body (T4), flanged body (T7) with flat or raised faces, body with butt weld ends (BWSE). Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Connections to ASME: Schedule 40S and STD to NPS for valves with butt weld ends (other connections on request). Fugitive emissions performance tested and certified to EN ISO 15848-1. Certified to German TA Luft Technical Guidelines on Air Quality Control. Fire-safe design tested and certified to EN ISO 10497 (BS 6755 - API 6FA). ATEX-compliant version in accordance with Directive 2014/34/EU. In compliance with NACE MR0175 / ISO 15156 and MR 0103.
Benefits
Tight shut-off
Perfect bi-directional shut-off: zero leakage to API 598, EN 12266, FCI 70-2, ISO 5208, ISO 28921-1, BS 6364
Positioning and locking of actuator flange
Actuator easy to remove and reinstall in the system
Ease of service
Seat can be replaced easily.
Innovative maintenance-free sealing system at the shaft passage
Operating reliability
Anti-blowout design protects operators.
Lifting lugs
for ease of lifting and handling
Resistance depending on the number of open/closed cycles
Compliant with EN 12567 (equivalent to EN 28921)