[performance]
Fire protection design
The ISO5211 standard is installed directly with the executor
Antistatic device between ball core and valve body
Stem explosion proof design
Allowable pressure difference: less than nominal pressure 1.6Mpa
Leakage: zero leakage
Return difference: + 2.5%
[pneumatic actuators]
Double acting: ventilation, ventilation, gas failure to maintain the current position
Single action: ventilation, breathe air to open, closed source fault
Single acting air to close off gas and ventilation: open source, open fault
Optional accessories: reversing solenoid valve, limit switch, air filter pressure reducing valve, electrical positioner, hand wheel mechanism, retaining valve, electrical part can be selected explosion-proof
[Standard parameter]
Design standard | GB/T12238-2008 |
Connection standard | JB/T 79.1-1994 |
Structural length | GB/T12221-2005 |
Pressure test | GB/T13927-2008 |
[Adaptive condition]
The valve is an important executive mechanism of industrial automation control system, remote centralized control can meet the needs of computer program; now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, tank equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, the preferred product is construction of national defense construction, science and technology.