H74X, H74H, H74W PN10~PN40 wafer thin check valves

Product description:
The H74H, H74W, H74X thin check valve is an ultra-thin check valve, using the short type structure size and single disc design, compared with the traditional swing check valve, the series valve has no external leakage, can be installed in any position, good sealing performance, linear vibration, small pressure drop and zero seat ring wear advantages.
Working principle:
Thin check valve is a disc type ultra-thin check valve, disc with O - type sealing ring, sealing performance is good, and has a spring to assist the closure, sensitive action, especially for the installation space is the most suitable place. It has the advantages of simple structure, beautiful appearance, light weight and easy installation. It is mainly applicable to water supply system, petroleum, chemical, metallurgy and other industrial sectors.
Product features:
1, the length of the structure is very short, small volume, light weight, for the installation of the valve, handling, storage with the layout of the pipeline to bring great convenience, and can greatly save materials, reduce the cost.
2, the valve for the overall structure, simple and compact, the valve closed when the impact force is small, water hammer pressure is small, the valve life is long, high reliability.
3, can be installed horizontally or vertically, light weight, do not need to set the valve support.
4, smooth flow, fluid resistance is small, the valve disc in a small pressure difference can be fully open.
Scope of use: the product can be used in the water supply system of high-rise buildings and industrial areas. Due to the short length of the structure, it is generally suitable for the installation space is limited.
The product conforms to the standard: JB/T 8937. No Information

Main performance parameters

model	Nominal pressure PN	Applicable temperature /°C	Applicable medium
H74X-10C~25	10~40	≤200	Water, steam, etc
H74H-10C~40	10~40	≤200	Water, steam, oil, etc
H74W-10P~40P	10~40	≤200	Corrosive medium such as nitric acid
H74W-10P8~40P8	10~40	≤200	Corrosive medium such as nitric acid
H74W-10P3~40P3	10~40	≤200	Strong oxidizing medium
H74W-10R~40R	10~40	≤200	Corrosive media such as acetic acid
H74W-10R8~40R8	10~40	≤200	Corrosive media such as urea
H74W-10R3~40R3	10~40	≤200	Corrosive media such as urea

Main overall dimensions

                                                          （unit：mm）