The function of the oil return check valve: the oil-gas mixture
compressed by the main engine is first separated from the oil-gas
tank by centrifugal force. Because the oil is larger than the air,
most of the oil in the oil-gas mixture falls to the oil tank by
centrifugal force, and contains The compressed air with a small
amount of oil is separated again by the oil-air separator. At this
time, the lubricating oil separated by the oil-air separator will
fall to the bottom of the oil-air separator. In order to prevent
this part of oil from being taken away with the compressed air, the
unit is designed with a The oil pipe pierces the bottom of the
oil-gas separator, and through the effect of internal pressure,
this part of oil is directly introduced to the lubricating bearing
of the main engine, and there is a one-way valve on the oil pipe,
called the oil return single-way valve, its function is to transfer
the oil-gas separator The oil is smoothly recovered to the main
engine without letting the oil of the main engine flow back to the
oil-gas separator.RFQQ1. Are you trading company or manufacture ?A:
We are professional manufacture of screw air compressor more than 8
years. Q2. How long is the delivery time ?A: For standard
voltage ,15 working days. Non-standard ,please contact our
sales. Q3. What's payment term ?A: T/T, L/C, D/P, Western
Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB,
Euro and other currency. Q4. How about your after-sales
service ?A: 1.Provide customers with installation and commissioning
online instructions.2. Well-trained engineers available to overseas
service.3.Worldwid agents and after service avaiable.arrange our
engineers to help you training and installation. Q5. How about
your warranty? A: One year for the whole machine and two years
for screw air end, except consumable spare parts. Q6. Do
you have any certificate ? A: Yes, per different customer's
market need ,we can offer CE ,ISO etc certificate. Q7. What
about the maintenance ? A: First maintenance need to be done
after 500Hours, and then every 2000-3000 hours to do the normal
maintenance,and consider the actual environment. Q8. How do
you control quality ?A: 1.Raw- material in
checking. 2.Assembly. 3.Worldwid after service
available.arrange our engineers to help you training and
installation. Q9. Do you offer OEM service ?A: Yes./*
March 10, 2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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