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 ?
07 to 20 PSI, the 122 Side Seal Cartridge Check Valve delivers a water flow rate of 1.
While I am not one to design my process around being kind and gentle to the molding machine, doing this will help the check valve last a bit longer.
The plug valves and check valves that are available on the website are very economical and very well made.
Remove the section of waste line under the check valve, disconnecting it at the union or coupling above the basin--or cutting the pipe.
Lift the top pan up and out of the way of the check valve.
No strainer or check valve is required, but a separate air vent or bypass may be necessary.
It was a case of making the most of the resources we already had," says Don Burgher, check valve and manhole fill cover team leader.
Used in liquid and air applications, this micro check valve solves the mounting problems typically associated with traditional check valves.
Tenders are invited for Purchase enquiry for different size of lift check valve, swing check valve and non- return valve installed in fly ash system of 2x250mw units of stps-iv, sarni
Designed for vacuum systems, it minimizes the loss of flow by not wasting the pump's power when opening the stiffer spring of a compressed-air check valve.
The accumulator collects the polymer/gas solution during the injection process, when the check valve to the plunger is closed.