Offset Shaft and Eccentric Disc:No seat/disc contact in the open or middle position;Eliminates friction points at top and bottom of seats for higher cycle life;Reduces torque requirements.
Lip-seal design compensates for temperature and pressure changes,Tight shut-off in either direction;
No additional o-rings or metal parts required to maintain tightness,simply remove body insert and replace seat,disassembly of disc and shaft is not required;
Excellent for both On-Off and Control Applications,superior control characteristics,flow characteristic is modified equal percentage;
Firesafe tested to API607 4th edition and BS6755 part2.