This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of pneumatic two-position four-way slide valves for rubber machinery. This standard applies to two-position four-way slide valves composed of pneumatic piston or diaphragm actuators and four-way valves.
HG/T 3235-1989 history
2006HG/T 3235-2006 Pneumatic two-position four-way slide valve for rubber machinery
1989HG/T 3235-1989 Pneumatic two-position four-way slide valve for rubber machinery