Worm gearbox with wheel

一、Technical specification:
Structure:gearbox with handwheel
Surface treatment : Housing and cover epoxy powder coating
Size : For Butterfly valve 2’’-48’’.
Ratio : 24:1, 30:1, 50:1, 80:1, 300:1
Connection with butterfly valve : Square, double D， round with key or customer need
Direction: horizontal direction or vertical type
Mode of delivery : Assembly on butterfly valve or delivery seperately

二、Function: To operate the valve opening and closing

三、Material:
Housing : Ductile cast iron, cast iron
Cover: Ductile cast iron, cast iron
Worm : Ductile cast iron
Worm stem : WCB
Handwheel :Ductile cast iron, cast iron
Handwheel stem: WCB , SS304 or customer need