This manual wafer type butterfly valve butterfly valve and rubber seal products from carbon steel or stainless steel valve plate, stem form. Suitable for temperatures ≤ 80 ~ 120 ℃ such as food, pharmaceutical, chemical, petroleum, electric power, textile, paper and other plumbing, gas pipes for regulating traffic and closure of media effects. Its main features are:
1, novel design, reasonable, unique structure, light weight, open and close quickly.
2, operating torque is small, easy to operate, energy smart.
3, can be mounted in any position, and easy maintenance.
4, the seal can be replaced, the sealing performance reliable way to achieve zero leakage seal.
5, sealing materials resistant to aging and weak corrosion, long life and other characteristics.

Design Standard: GB/T2238-1989
Flange size: GB/T9113.1-2000; GB/T9115.1-2000; JB78
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999