Gas ball valve can be specially used for natural gas, gas, liquefied gas and other gas and non-corrosive gas pipeline control and flow control. Suitable for natural gas, artificial coal-to-gas, liquefied gas long distance pipeline, urban gas transmission and distribution network, using floating ball two-piece typical structure, full diameter design, stainless steel ball, with simple structure, easy installation, easy to open and close operation, easy maintenance, performance safety, reliable, high corrosion resistance characteristics.
Structural characteristics
1. Gas ball valve is a special ball valve designed for gas and liquefied gas pipelines, with small friction between sealing surfaces during opening and closing, easy maintenance and long life.
2. PTFE(polytetrafluoroethylene) and other materials are used as seals, with good lubricity and elasticity, small friction with the sphere and long service life.
3. Fast opening and closing, just turn the ball 90° when opening and closing, convenient and rapid.
4 ball valve fluid resistance is small, fully open ball channel, valve body channel and the cross-sectional area of the connecting pipe is equal, and into a straight line, the medium flow through the ball valve, equivalent to flow through a straight pipe, in all kinds of valves in the ball valve fluid resistance is minimal.
5. Equipped with manual, worm wheel drive, pneumatic, electric (explosion-proof) can achieve remote automatic control, can meet the user’s various working conditions requirements, more than DN150 ball valve using worm wheel drive
Standards and specifications
Nominal pressure PN:1.6 2.5 4.0
Shell test pressure PN:5.4 3.75 6.0
High pressure seal test pressure :1.76 2.75 4.4
Applicable media: liquefied gas, natural gas, steam, oil products
Applicable temperature :-40℃+150℃
Applicable temperature :JB/T: 2.5,4.0MPa
