US6250602B1
(en )
2001-06-26
Positive shut-off metering valve with axial thread drive
GB1126982A
(en )
1968-09-11
Improvements in fluid flow control valves
US3621873A
(en )
1971-11-23
Pneumatic fuse
US2788192A
(en )
1957-04-09
Fluid flow and pressure control valve
GB537703A
(fr )
US6637451B2
(en )
2003-10-28
Pneumatic pressure regulator assembly
GB919615A
(en )
1963-02-27
Two stage valve for fluids
US3584784A
(en )
1971-06-15
Mixing valve for hot and cold water
GB1445588A
(en )
1976-08-11
Fluid-flow control valve
US4687177A
(en )
1987-08-18
Device for adjusting the switching time of a valve member
GB796013A
(en )
1958-06-04
Improvements in or relating to automatic-closure valves
GB2043961A
(en )
1980-10-08
Servovalve assembly
US3170485A
(en )
1965-02-23
Manifold gas valve
GB766637A
(en )
1957-01-23
Improved stop valves
GB895517A
(en )
1962-05-02
Fluid-flow control valve
CN209245304U
(zh )
2019-08-13
一种电动控制阀
US3151531A
(en )
1964-10-06
Fluid pressure operated valve positioner
US2552766A
(en )
1951-05-15
Control device
CA1185874A
(fr )
1985-04-23
Distributeur a tiroir a debit rapide de fort volume
GB883539A
(en )
1961-11-29
Control valves for use with liquid fuel burners
US2141360A
(en )
1938-12-27
Liquid fuel burner
GB599680A
(en )
1948-03-18
Improvements in or relating to fluid transfer mechanisms
US3103943A
(en )
1963-09-17
Speed responsive pneumatic control
US3339585A
(en )
1967-09-05
Sequential distributor control valves
GB128932A
(fr )