ON/OFF service valve, through-conduit, forged Bodies, slab gate, floating seats. Non Rising stem, bolted bonnet constructions, self relieving seats. SDS valves features dual spring-loaded, pressure energize, non elastomeric lip seals; these seals assist in low pressure sealing and protect against contaminants.

Valve can be supplied with BREDA hydraulic or pneumatic actuators type BHA or BPA.