REPAIR WILDEN PUMP (solved)

Making new valve seat of wilden pump is the only way to be back in service nor to throw in garbage bin. Watch this video to get the idea on how to do it?
The compressed air is applied directly to the liquid column separated by elastomeric diaphragms. The diaphragm acts as a separation membrane between the compressed air and liquid; a balanced load removes mechanical stress from the diaphragm. The compressed air moves the diaphragm away from the center of the pump

Fitter on ship and gives ideas for pipe fabrication, welding techniques, overhauling ship machineries ether mechanical or electrical drive , and also lathe machine on how to operates and making various job specially on threading jobs, making flanges, pumps bushing etc. .air condition technician and pipe fitters, making elbows in different degrees and reducer eccentric and concentric and metal fabrication, such as air duct, air venting mushroom and various modification