Follow us :

after the demolition of the stage bulb coated with a lubricant in the joints

time2012/02/26

after the demolition of the stage bulb coated with a lubricant in the joints or blending paint, and tighten the screws.the stage bulbs because of the air or the inlet gas accumulation, or the end of the valve in the pump body lax off the irrigation water discontent, serious leak of the vacuum pump packing, gate or door closed lax.the stage bulbs Remedy: First the water pressure up, and then pump filled with water, and then boot the stage bulbs
Also check the check valve is tight, piping, fittings or without air leaks, and found the leak.