国产亚洲精品AAAA片APP,情侣作爱视频网站

Petrochemical industy parts
Your current location:Home > PRODUCTS > Industry Equipment > Petrochemical industy parts

Breathing valve is to maintain the tank pressure balance, reduce safety energy-saving products medium volatile, but also the use of

principles of vapor heat transfer, protect the respiratory valve parts is not easy tofreeze, the breathing valve to ensure the normal work.

Our breathing valve has the advantages such as simplified structure,ventilation volume, less leakage, corrosionresistance, insulation etc..

The polytetrafluoroethylene material,support the breather valves workedof lowtemperature resistant, anti frost.