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 ?
In locking-ring check valves, the ring rotates with the screw during plastication and moves horizontally during injection.
One of these advances is in plastic tubing inline check valves, specifically diaphragm check valves, used for the transfer and management of fluids and gases in mission-critical medical applications.
Drain the water above the check valve, then loosen the clamps and remove it (Photo 1).
Lift the top pan up and out of the way of the check valve.
When the company needed to increase product output to meet increasing demand for its check valves and cargo tank fill covers, it looked into rescheduling the work on the machines it had and utilizing a different approach to workholding.
* clean air chamber, replace the plug with the bottom check valve;
Request for quotations : check valves - 2 positions
This is the pressure on the molten polymer directly in front of the screw that the check valve is pushing against.
The vacuum line has a shut-off valve, check valve and gauge.
Borla started using Cyrolite CG-97 compound for a 3-psi check valve part that was originally being made with polycarbonate and co-polyester Ektar DN.
Perhaps the oldest technique for holding a load in position is the check valve [ILLUSTRATION FOR FIGURE 2 OMITTED].
position 3 - check valve clutch grfs dn80 pn16 3 ``, environment - oxygen, material - stainless.