This part specifies the methods for product acceptance and type (or qualification) test of electronically modulated hydraulic four-way directional flow control valves.
GB/T 15623.1-2003 history
2018GB/T 15623.1-2018 Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 1: Test methods for four-port directional flow-control valves
2003GB/T 15623.1-2003 Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 1:Test methods for four-way directional flow control valves