Nanning Jialong Company is a comprehensive industry company integrating research, development, production, design, construction, marketing and service. The company's domestic first-line valve and instrument brands are (Ningbo Aimeike Copper Valve Co., Ltd., China Electric Construction Valve Co., Ltd., China Hongqi Instrument Co., Ltd., Hangzhou Rongsheng
Double flap check valve is mainly composed of important parts such as valve body, flap, stem and spring. The valve is mainly used in water supply systems, high-rise buildings and industrial areas. Since the distance between the faces is shorter than that of a normal check valve, it is most convenient for places with limited installation space.
According to the structure of the check valve, it can be divided into three types: lift check valve, swing check valve and butterfly check valve. Lift check valve can be divided into vertical and horizontal. Swing check valve is divided into three types: single, double and multi-lobe. The butterfly check valve is straight-through. The above check valves can be divided into screw
Stainless steel wafer check valve adopts all new materials and corrosion-resistant stainless steel. It can be installed on the pipeline at any position to prevent the medium from flowing backward. The boiler water supply system can be returned. The connection method is to use the original flange flange clamps at both ends of the pipeline to put it into operation. Its indicators are better than any kind of back valve currently on the market
74H, H74X wafer wafer check valve is a kind of ultra-thin check valve, which has the advantages of simple structure, beautiful appearance, light weight, convenient installation and so on. Mainly applicable to water supply systems, petroleum, chemical, metallurgical and other industrial sectors where the installation space is limited.