Features:
1) Quarter turn with worm-gear drive
2) Alternative ways of operation: handwheel/handle/electricity
3) Reasonable design makes light in weight and strong in output torque
4) Above ground service and buried service available
5) Mutiple bore/keyway design for different connection purposes
6) Suitable for plug valve, butterfly valve, ball valve
7) Materials:
a) Body/cover/handwheel: ASTM A126 grey iron
b) Worm gear: ASTM A536 ductile iron, ASTM A536 ductile iron with bronze segmen
(optional)
c) Worm: SAE 1045 carbon steel normalized
d) Worm Stem: SAE 1045 carbon steel with zinc or nickle plated, stainless stee
(optional)