They are operated by a threaded stem which connects the actuator generally a hand wheel or motor to the stem of the gate.
Gate valve handwheel.
Awwa gate non ul fm pdf.
These rugged gate valves can be used fully open or fully closed in.
Gate valves work by inserting a rectangular gate or wedge into the path of a flowing fluid.
These wheels can also be used to operate hatches skylights and other overhead components.
If the valve has a rising stem its position can be seen just by looking at the position of the stem.
This valve is fitted to the tilting pumps of the main power unit fig.
When the handwheel of the valve is turned clockwise oil is led from and returned to the pump for operation of the tilting rams.
Handwheel rims and spokes are constructed of high quality 1 in od tubing.
The valve has a reverse seat in the valve body.
Impact resistant chain operated wheels for overhead valves.
Open and close almost any hand wheel operated overhead valve from the floor.
When the handwheel is turned anti clockwise delivery oil is by passed to the suction line.
Handwheel hubs are constructed of cold rolled carbon steel machined to your specifications.
More info catalogs price sheets specification sheets.
Ductile iron flanged awwa c515 gate valve with hand wheel series 10fw.