Double-offset butterfly valve with ISO 5211 compliant square shaft end, with plastomer seat or metal seat (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator, body made of steel or stainless steel. Wafer-type body (T1), full-lug body (T4) or flanged body (T7) with flat or raised faces. Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Certified to German TA Luft Technical Guidelines on Air Quality Control.
Benefits
- Tight shut-off and sealing to atmosphere
- Zero leakage: ISO 5208 leakage rate A in both directions, even at high pressures.
- No fugitive emissions into the atmosphere (ISO 15848-2 Class AH).
- Various seat materials available.
- Long service life
- Reduced abrasion thanks to the positioning of the seat in the body.
- Long bearings for optimal guidance.
- No extension needed, therefore no ingress of foreign matter.
- High safety
- Fire-safe
- Manual actuator with locking device.
- Lever with mechanical coding.
- Blowout-proof actuating shaft.
- Easy to service
- Maintenance-free gland packing.
- Seat can be replaced without special tools.