JIS B 8659-1:2000 Hydraulic fluid power -- Electrically modulated hydraulic control valves -- Part 1: Test methods for four-way directional flow control valves
This standard specifies the product shipping test and type qualification test for electrically operated 4-way flow control valves.
JIS B 8659-1:2000 history
2013JIS B 8659-1:2013 Hydraulic fluid power -- Electrically modulated hydraulic control valves -- Part 1: Test methods for four-port directional flow-control valves
2000JIS B 8659-1:2000 Hydraulic fluid power -- Electrically modulated hydraulic control valves -- Part 1: Test methods for four-way directional flow control valves