US3561468A
(en )
1971-02-09
Universal control valve
GB1490553A
(en )
1977-11-02
Fluid flow apparatus
GB1435191A
(en )
1976-05-12
Pressure regulator valve
GB1396926A
(en )
1975-06-11
Control device for load-independent regulation of hydraulic consumers
US3517697A
(en )
1970-06-30
Pressure regulating valve
GB901061A
(en )
1962-07-11
Improvements in or relating to safety valves
GB1132929A
(en )
1968-11-06
Improvements in or relating to relief valves
GB1452486A
(en )
1976-10-13
Hydraulic fluid flow control valve
GB553588A
(zh )
US3227179A
(en )
1966-01-04
Cartridge valves
GB1426588A
(en )
1976-03-03
Pressure relief control device
US4177840A
(en )
1979-12-11
Pressure regulation and flow control valve with combination needle and check valves
US3920034A
(en )
1975-11-18
Proportional bypass valve having variable area orifice control means
GB1338270A
(en )
1973-11-21
Fluid flow control valves
GB1393450A
(en )
1975-05-07
Combined over-and-under pressure relief valves
ATE338298T1
(de )
2006-09-15
In einem mikroventil zur druckregelung und in einem proportionalmikroventil einsetzbare mikromechanische struktur
CN211779146U
(zh )
2020-10-27
一种压力正反馈直动式三通比例减压阀
GB635751A
(en )
1950-04-19
Improvements in or relating to fluid control valves
GB191406860A
(en )
1915-04-19
Improvements in or relating to Valves Actuated by Fluid Pressure.
GB263035A
(en )
1926-12-23
Improvements in balanced valves
GB994272A
(en )
1965-06-02
Pressure reducing valves
GB191122846A
(en )
1912-07-04
Improvements in Pressure Regulating Valves.
GB860072A
(en )
1961-02-01
Reverse acting gate valve
GB189823822A
(en )
1899-04-01
Improvements in Hydraulic Valves, more particularly relating to the Control of Large Volumes of Liquids at High Pressures.
GB864469A
(en )
1961-04-06
Improvements in or relating to hydraulic servo-apparatus for controlling the temperature of a fluid stream