Wafer type butterfly valve is one type of central lined butterfly valve, which is one normal type of butterfly valve in need of big quantity. It is mounted between two matching flanges of the piping with bolts & nuts. According to actual piping conditions, wafer type butterfly valve can be manufactured according to different flanges standards, such as , EN1092, AS2129, DIN2501, BS4504, JIS10K. Wafer butterfly valve can be mounted on the piping end as exhaust valve. Prosper Flow can produce the wafer butterfly valve rubber lined in accordance with EN593, API609 and AMSE .lug butterly valve
What is the difference between lug and wafer butterfly valves?
The difference between a Wafer and Lug type Butterfly valve is only the mounting scheme  and . ... Wafer type valves don't have attachment lugs, though them may have alignment lugs. They are sandwiched between the flanges on the ends two lengths of pipe.
What is the function of a butterfly valve?
The main function of these valves is to control the flow of liquids through a section of pipe. Butterfly valves are mainly used in waste treatment systems. They are extremely durable and need minimal maintenance. Butterfly valves operate like other quarter turn valves.
Materials: A126 B (GG25), A536 65-45-12 (GGG40/50)
Epoxy coating with thickness ≥ 250μm
Working temperature: 0℃~+80℃
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Design & manufacturing: ASME , EN593, API609
Face to face: ANSI , EN 558-1, API609
Matching flanges: ANSI , EN 1092, JIS10K, AS 2129
Top flange: ISO 5211
Inspection & testing: API598
works, water projects protection facilities plant estate , chemical industry work, metallurgy plant & beverage treatment plant
What is a lug style butterfly valve?
Lug-style valves have threaded inserts at both sides of the valve body. This allows them to be installed into a system using two sets of bolts and no nuts. The valve is installed between two flanges using a separate set of bolts for each flange.
Anhui Prosper Flow Technology Co., Ltd is a high-tech enterprise specializing in R&D, production and sales of valves and understand the international standards and strict export quality requirements of ductile iron valves. We provide OEM services for the world-famous valve companies. Our valves cover British Standard (BS), German Standard (DIN), American Standard (AWWA), Australian Standard (AS), South African Standard (SABS) and National Standard (GB). Now it has its own valve logo “ZW”. We have Gate Valve, Check Valve, Butterfly Valve, Air Valve and Water Meter.