CONSTRUCTION

Series SD pneumatically operated 2/2-way has a robust low maintenance stainless steelpolished piston actuator;

The valve spindle is seated by a self-adjusting gland packing providing low maintenanceand reliable valve spindle sealing even after a long service life. the wiper ring fitted in front of the gland packing protects it against contamination and damage.

FEATURES

*  The polished inner hole of the actuator is more conducive to piston operation;
*  Standard floating swivel plate with sealing on spindle ensures excellent seat sealing;
*  Suitable for high operating temprature and pressure;
*  Wide range of piston-type operators (40 - 50- 63 - 90 - 110 mm dia.) rotatable through 360°, for maximum performance at different minimum pilot pressures;
*  Anti-waterhammer design (fluid entry under the disc).

ADVANTAGE

*  Various valve body connections:
*  Female thread, Male thread,Butt welds, Socket welds, Flange ends, and Tri-clamp ends.
*  High flow due to angle seat design
*  Extensive range of accessories;
*  Versions with bellows available
*  Special connections and materials on request。