Product Details

Main valve comprises valve body, diaphragm, stem assembly, seat etc. The valve is separated by diaphragm into two chambers, up and down. Up chamber is control chamber, and down chamber is flow through chamber. The valve stem is driven by diaphragm up and down, and driven force comes from differential pressure which taking by two sides of diaphragm.

Slow control check valves

Slow control check valves 300X

The valve is used at outlet pipe of pump, with its open & close speed adjustable, and also used at high building for reducing water hammer & water slamming.

Pressure rating: PN10, PN16, PN25/Class 150

Size range: DN50mm - DN500mm

Packaging & Shipping

Our Services

Our mission: Innovation, advanced technology, high efficiency, energy conservation, environmental protection, service society. Our goal: Provide efficient and excellent solution for every requirement. Create a beautiful environment where human live harmoniously with nature.

Company Information

Jiangsu Comsmic Power Environmental Protection Tech Co., Ltd was established in 2007. Through constant innovation and creative technology, our company has developed into the supplier for products of whole water environment. Our company adopts the international technology to produce and provide kinds of products related to fluid system. We are specialized in manufacturing and supplying valves, gates, water supply equipments, mud scrapers and pump station with international standards(API, GB,DIN,JTS,,BS, ISO standard, etc). The valves generallly include butterfly valve series, gate valve series, check valve series, exhaust valves series, hydraulic valves, ball valve series, etc. Also, we can provide a set of solutions for sewage treatment and related products to customers.