Project-specific special gate valve Shanghai engineering project dedicated valve manufacturers

The main characteristics and uses compact valve 1, structure, reasonable design, the valve rigid, channel flow, flow resistance coefficient. 2, the sealing surface of stainless steel and tungsten carbide, long service life. 3, the use of flexible graphite packing plate, seal reliable, lightweight and flexible operation. 4, the drive sub-manual, electric, pneumatic, gear transmission, structure; elastic wedge single valve, rigid wedge single valve plate and double plate type. 5, widely used in petroleum, chemical, power plants and other oil, water, steam pipeline for opening and closing device connect or disconnect the pipeline medium. Valve design, manufacturing standards 1. Designed and manufactured according to GB / T 12234-89 2, length of the structure according to GB / T 12221-89 3, flange size press: JB / T 79-94 4, the valve inspection and test according to GB / T 13927-92