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Pressure-controlled 2012-01-13
A valve having a first valve body including a first contacting surface, a pressurized fluid supply path opening to the first contacting surface and a pressure-controlled chamber opening to the first contacting surface.
A movable control valve gate 2012-01-12
A control valve for regulating the flow of compressible and non-compressible fluids in a fluid system and comprising: a control valve body having in spatial relationship a fluid inlet and a fluid outlet.
A lubricator-retainer valve 2012-01-11
A lubricator-retainer valve comprising: a body having a flowway therethrough; a valve actuator in sliding sealing engagement with said body; resilient means urging said actuator toward a first position;
A pilot valve 2012-01-10
A generic valve is known from EP-A-0 893 607. This known valve is a magnetically operated drain valve in which, between a load pressure port (P) and a drain port (T) in the lifting module of a forklift, a seat closing element is assigned to the main valve seat and in the closing direction can be pre
Control valves with pneumatic devices 2012-01-06
Many pneumatic devices require control valves that are cheap, reliable and rugged. Heretofore it has been proposed to employ a three-way ball valve of the type comprising a valve body having two axially spaced ports, a valve seat associated with each of those ports, a third port located between the
The valve mechanism 2012-01-05
The control outlet can be located adjacent either the supply inlet or the supply outlet. The control outlet can include a control passage having an inner opening communicating with an outer opening near the exterior of the demand valve body. The outer opening of the control passage can be adapted fo
Valve for controlling the pressure 2012-01-04
The manufacture of urethane foams, for example, involves supplying two or more reactive components in accurately metered proportions to a mixing device from whence the mixed components are deposited in a suitable mold wherein the mixture reacts to produce the polyurethane foam. These components are
A control valve for controlling the flow of fluid 2011-12-31
According to the invention there is provided a control valve of the pilot-operated kind comprising a valve body which includes a main valve seat; a movable main valve cooperating with the main valve seat to open and close the valve; a piston carrying the main valve member; a control chamber behind t
