Completely sealed in both directions – EN 12266 (A Level) airtight grade. Valve plate has a precision-machined spherical sealing surface, which has low torque and long service life.

Completely sealed in both directions - airtight grade. Valve plate has a precision-machined spherical sealing surface, which has low torque and long service life.

FM Approved and UL Listed, cross validation available. Large effective circulation area and lower fluid resistance

FM Approved and UL Listed, cross validation available. Debris is not easy to accumulate and fluid is unimpeded because of the flat bottom design.