check valve

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check valve

A valve that permits fluids or gases to flow in just one direction. Check valves are used in infusion sets to prohibit backflow of fluids during intravenous therapy.
See also: valve
References in periodicals archive ?
With proper spring selection, our check valves are designed to function equally well in either a vertical or horizontal position.
In most cases, design engineers integrate check valves into their rocket engine designs.
We are very pleased to have a barbed check valve option for our customers," said Ken Davis, global product line manager.
The single plate wafer check valves are an exciting development for us and is a testimony to the skills and expertise of everyone involved with our product development programme," said Dave Bowen, Business Development Manager, Shipham Valves.
The new Mueller(R) Super Centurion 250/HS(TM) "High Security" Fire Hydrant includes a check valve as an integral part of the hydrant connection to the water main.
The company manufactures a wide range of pinch and check valves for local clients, including Inco and Falconbridge, as well as for area users in the industrial, chemical and municipal sectors, including Kidd Creek Mine and Dome Mine in Timmins and Williams Mine in northwestern Ontario.
The BK non-leak check valves are used to allow disconnection of hydraulic connections to pallets, fixtures, and jigs for machining centers and other machinery.
As an option, Autoclave[TM] discharge check valves are available for ease of installation in high pressure systems.
Model 170 cartridge check valves offer an increased flow capacity of 8 gpm and incorporates a low-inertia poppet design with double tapered o-ring seats to achieve fast, positive seal.
Thermoplastic manifold type check valve is designed to prevent reverse flow while simplifying installation of multiple check valves.
Common in sprinkler systems, check valves ideally allow material to flow in only one direction.
The micro check valve solves the mounting problems typically associated with traditional check valves.