FDM Series diaphragm check valve fittings

FDM Series diaphragm check valve fittings

Product Des.

In normal Refrigeration circulation system, the high-temperature and high-pressure mixture of gas and liquid will be expelled from compressor. It will become liquid after condenser operation. The liquid refrigerant will cause liquid collision of the compressor. So in order to prevent the liquid refrigerant after the condensation run back to the compressor, install a check valve device between the compressor and condenser, the Diaphragm type magnetic check valve our company produced can play a important role in preventing circumfluence.

Function

When the refrigerant flow to the direction of magnetic check valve, the clack seat and the diaphragm will open automatically, and it will close automatically if there is no refrigerant flow into the valve. When the direction which refrigerant flow to the Magnetic check valve is opposite, the clack seat will be closed, it won’t open no matter the pressure reduced. The Diaphragm magnetic check valve will use magnetic diaphragm, metal and metal sealing, used in exhaust tube on the compressor. It will use guide device, self- absorption institution design, and then the magnetic check valve’s installation of angle and the opposite pressure won’t take influence on closed automatically of valve, almost equal to zero leakage on negative direction.

Packaging & Shipping

1. Export carton,or according to customer's requirements

2. Generally 30days after received your deposit ,will send to Ningbo or Shanghai port.

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.