Sell ventilative butterfly valve

ventilative butterfly valve You May Also Be Interested In: butterfly valve seal ring
Ventilated butterfly valve
The seal ring of ventilated butterfly valve is made of the material same as body material, and the applicable temperature is up to the body material, PN<=0.6 MPa, generally, it is used in pipe of industry, metallurgy, environmental protection etc. as ventilating and adjust medium flow.
Main features:
1 Novelty and reasonable design, unique structure, light, prompt open/closure
2 Small torquet, operation easily, laborsaving and skillful.
3 Use suitalbe material to satisfy low, middle, high different medium and corrosive medium etc

Applicable standard
Design standard:GB/T12238-1989 JB/T8692-1998
Flange connection dimension:GB/T9115.1-2000
Face to face:GB/T12221-1989
Pressure test: GB/T13927-92; JB/T9092-1999