AWWA standard is The American Water Works Association first published consensus documents in 1908. Today, there are more than 190 AWWA Standards. From source to storage, from treatment to distribution, AWWA Standards cover the products and processes related to all areas of water treatment and supply. AWWA C504 is of the typical representative, it is is a kind of rubble seat butterfly valve.
AWWA C504 butterfly valve has two forms, midline line soft seal and double eccentric soft seal, usually, the price of midline soft seal will be cheaper than the double eccentric, of course, this is generally done according to the requirements of customers. Usually the working pressure for AWWA C504 are 125psi, 150psi, 250psi, flange connection pressure rate are CL125,CL150,CL250.
AWWA C504 butterfly valve is mainly used in water treatment projects, the required medium is water without impurities, the characteristics of the rubber seal strengthen the sealing performance of the valve, so that the valve can achieve 0 leakage. In the selection of the valve body material, usually ductile iron is the main, followed by carbon steel is also possible. The choice of valve disc sealing ring, EPDM, NBR, NR are available, according to the customer's requirements to make a choice.
Compared to the EN558-13,14 series butterfly valves, the AWWA C504 butterfly valve has a thicker body and a thicker diameter spindle, and there are also slight differences in other dimensions, which can be seen in the following dimension table. Of course, for the function, there is no big difference with other rubber-sealed butterfly valves.
What manufacturers can make AWWA C504 butterfly valve in China? As far as I know, there are not many manufacturers who can make AWWA C504 butterfly valve, many factories have more experience in produce EN558-13/14 series butterfly valve, and do not have much experience in produce AWWA C504 butterfly valve, Tianjin Zhongfa Valve is one of the manufacturers who can produce AWWA C504 butterfly valve, Zhongfa Valve has its own mould and its own processing workshop, which can finish the production of butterfly valve with quality and quantity.
The following is the butterfly valve of AWWA C504 produced by Tianjin Zhongfa Valve, If you want to know more about AWWA C504 products, you can also contact us.
