Products
Double-disk Parallel Gate Valve
Overview:
Double-disk parallel gate valve is used for shut-down mediums, which is suitable for pipelines with water, sewage. It is widely used in petroleum, chemical industry, pharmacy, power and other industries, and it is used for connecting and shut-off steam, water, oil and other mediums which nominal pressure less than l.0MPa. Its gate is lifting and down caused by the stem drives seat surface, so as to connecting or shut-off the fluid passage.
Specification:
Size: DN 40~400
Pressure: ≤1.0Mpa
Applicable temperature: ≤200
Applicable medium: water, steam, oil
Features:
During the valve is working, gate opens and closes at a constant speed of 1.0m/min. The closure caused by electricity failed divides into two phases: quickly closing and slowly closing. 100-20% opening is quickly closing, which needs 10s. 20-0% opening is slowly closing, which needs 40s.
It is used as globe valve or check valve on the outlet of a pump. In addition, the valve is provided with stem locking device, which ensures security when operation.
