Dunan copper Check valve Air conditioning thermal energy important parts to improve the air conditioning heating effect

Features
One-way valve is the wizard, reverse closure, only used in air conditioning and heating process, cooling the one-way valve is ineffective. Heating time in order to increase the flow resistance of the refrigerant, the refrigerant flow rate is reduced, so that the refrigerant is evaporated in the outdoor unit fully, so that the refrigerant gas discharged from the compressor into the refrigerant liquid, improve the air conditioning system thermal effects.
Features
  Body diameter is small;
One structure eliminates leakage;
  Reliable performance, long life;
It can be customized according to customer requirements.
Scope
  Applicable refrigerants: R22, R134a, R407C, R410A;
  Maximum operating pressure: 4.2MPa;
  Use Working temperature: -30 ℃ ~ + 120 ℃;
  Applicable Relative humidity: 95% RH or less

Question1: Did you accept products customization?Is they need mould fee?

Answer: Yes, we accept products customization.Need mould fee,because products usually need extra mould cost.But,we can return the mould fee when you reach a specific quantity.

Question2: Can we get free samples?

Answer: Little quantity normal copper fitting samples can provide for free except for delivery cost.

Question3: How long is the normal production period for a 20-foot shipping container?

Answer: According to the current productive capacity, usually needs 30 days from producing to delivery.

Question4:What is the type of payment?

Answer: Usually you should prepay 30% of the total amount. The balance should be pay off before we get the original B/L.

Question5:How to guarantee the high quality?

Answer: We have testing department to make sure every product of size,appearance and pressure test are good.

Question6: How is the raw copper material price?

Answer: The price of copper is decided by the LME cash buyer price at the day when clients submit the orders.