
Breather Valves
Material
● Body-Brass , mill finished.
● Breather cap-Brass ,mill finished .
● Seal valves core - Brass core with Rubber FKM
● Stainless spring.
Thread gasket
● A: Sealing ring rubber NBR 85
● B: Sealing ring rubber FKM 80°
● A and B type gaskets conform to DIN3869 standard.
Working pressure
● 0.05 bar~0.25 bar
Maximum continuous working temperature
● A:-40°C~100°C.
● B:-20°C~180
Accessories on request
● Other materials .
● Other working pressure
Technical Characteristics
● Breather valve H-QB are used when the air exchange is tobe allowed between the inside of the container and theambient air.
● its normal state, the seal valves core was closed thevalves so prevents dirt or dust getting inside the box.


