flow-control valve

flow-control valve

A fluid-powered valve that controls the volume or the direction of fluid flow. Flow-control valves, like check valve and selector valves, are normally used along with pressure-control valves in fluid power systems. See flapper valve.
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Other features include a weatherproof push-button NEMA-4X control; diamond-tread, steel platform with beveled toe-guards; removable steel handrails with mid-rails and 4-inch-high kickplates; a hinged, diamond-tread throw-over plate; and adjustable lowering speed with pressure-compensated flow-control valve.
Other features include a diamond-tread, steel platform with beveled toe-guards painted safety yellow; removable steel handrails; a hinged, diamond-tread throw-over plate at one end of the platform and a snap chain at the other; hardened steel pins in self-lubricated bearings at all pivot points; and adjustable lowering speed with a pressure-compensated flow-control valve.
Consider the joint operation of the control valve, which keeps regulated process variable, as shown in Figure 2, and the automatic flow-control valve is controlling constant flow, as shown in Figure 3.
Above the connection point is a "Power-Cincher" pneumatically actuated flow-control valve that cinches the bag spout concentrically, allowing retying of partially empty bags with no dusting.
Introduced on December 13, 1999, the oxygen cylinder with the built-in regulator, flow-control valve and contents gauge, allows medical personnel to easily adjust oxygen flow with the turn of a dial and verify contents at a glance.
Units have slide-gate dispensing valves, motor-driven mixers that can be set for continuous or timed operation, and a material flow-control valve under the mixing hopper.
The oil-return line includes a temperature gauge and fixed-orifice flow-control valve.
Already in use in over 50 hospitals and numerous other health care facilities, the oxygen cylinder with built-in regulator, flow-control valve and contents gauge, allows medical personnel to easily adjust oxygen flow with the turn of a dial and verify contents at a glance.
Also new is a flow meter and flow-control valve for the water-cooling jacket on the feed throat.
It can operate in two different modes: controlling the output of the variable-volume pump and the switching of the fixed-volume pumps; or in a throttle mode where the analog output is applied to a pressure- or flow-control valve while also selecting fixed pumps.
He covers hydraulic safety, hydraulic and fluid power principles, pumps, rotary actuators, cylinders, flow-control valves, contamination control, filtration, fluids, reservoirs and coolers, plumbing, and many other related subjects over the bookAEs twenty-five chapters.
Both Standard and Premium units can operate optional solid-state relay (SSR) heater controls and can be equipped with modulating flow-control valves in place of standard solenoids.

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