1. Application of product:
This product is suitable for installing in conveying flammable gases pipelines such as pipe heating furnace fuel gas, natural gas, liquefied petroleum gas, coal mine gas emission, also suitable for civil gas pipelines to prevent the reverse propagation in non normal conditions the flame in the pipeline in order to avoid the occurrence of disastrous accidents. This product is tested by the Ministry of public security of Tianjin Fire Research Institute and can fire retardant safety. Its velocity is1425m/s and limit velocity is 1605m/s.

2. Characteristics of product:
This product is to use metal corrugated plate between the slit gap, a quenching effect on pipeline in the spread of subsonic or supersonic flame principle of design and manufacture, the connecting flange of the products according to the HG20595-97 concave convex steel pipe welding neck flange design and manufacture, the user needs to choose the connecting flange standard, please explain in in order for the PN > 4.0MPa, the gas flame arrester, our company can design and manufacture,the product structure diagram is as follows:

3. The following is the revelant dimension: