pressure washer 2800 psi image
adhikari_s
I am sending 3000 psi through pipe and need to break and obtain differnt psi strength at different point because I need to test my device in different psi level. Please help me to do so. Do I need to buy differnt psi checking meter or I can use valves at different check point. Kindly help me giving easy way
Answer
Since a pressure washer uses a positive displacement pump you will need to keep a flow of water through the pump.
This is done by installing a recirculating relief valve from the discharge to the inlet side of the pump.
When pressure rises above a preset limit the relief valve opens and returns some of the high pressure water back to the inlet, recirculating.
Most pressure washers come with such a pressure setting device already installed. You either need to adjust it OR it may be damaged and stuck closed.
You may also add a relief valve to the inlet of your device to protect it from over pressure and to allso testing at different pressures. Just let this valve blow off to the ground or a drain...
Since a pressure washer uses a positive displacement pump you will need to keep a flow of water through the pump.
This is done by installing a recirculating relief valve from the discharge to the inlet side of the pump.
When pressure rises above a preset limit the relief valve opens and returns some of the high pressure water back to the inlet, recirculating.
Most pressure washers come with such a pressure setting device already installed. You either need to adjust it OR it may be damaged and stuck closed.
You may also add a relief valve to the inlet of your device to protect it from over pressure and to allso testing at different pressures. Just let this valve blow off to the ground or a drain...
How many hours can you use a pressure washer before you need to change the oil?
Kevin
I Have a 4 year old Troy-Bilt 4.5HP 2200 Psi Pressure Washer. ive recently bored out the Inflow/outflow of the pump increasing the water flow, put a high performance spark plug and put bigger jets on the carburetor. and i began using 93 octane Shell V-power Nitrogen enriched fuel. My pressure washer cleans better then my friends 2800 Psi washer. but my question is how many hours can i go until i need to change my oil, im curious because of my recent modifications im sure the motor is harder on oil.
Answer
Oil does not lose its properties, just gets dirty.That is main reason for filter on a car. Hope this helps.
Oil does not lose its properties, just gets dirty.That is main reason for filter on a car. Hope this helps.
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