anti-siphon valve

A giving set with an anti-siphon valve built in as an integral part of the set.

In plumbing systems, the anti-siphon valve is preventing backflow.

Note that the anti-siphon valve in medical shunts is preventing excess forward flow of liquid.

Abbott indicates they are no longer supplying giving sets with a detachable anti-siphon valve.

Backflow prevention devices such as anti-siphon valves are required in such designs.

Anti-siphon valves function as a one-direction check valve.

Anti-siphon valves are also used medically.

Along with anti-siphon valves, anti-siphoning devices also exist.

The Half Set incorporates a luer lock connector, pumping segment, air eliminating filter, anti-siphon valve and extension line.

A giving set with a detachable anti-siphon valve screwed on to the distal end, between the giving set and the IV cannula.

An anti-siphon valve (here one made by Hunter) can be solvent-welded or pushfitted into a ring-seal socket on the pipe to be ventilated.

But, if the giving set in use has the detachable anti-siphon valve and this is not attached, then the narcotic solution can slowly flow in to the patient.

With an excellent easy fill system for the 160 ml resevoir, and with in-line air protection filter and anti-siphon valve, this provides for the ultimate in safe drug infusion.

One way of preventing siphonage is to fit a vent pipe - a separate pipe, connected after the trap, leading to the stack - or to have an anti-siphon valve connected into the wastepipe (see drawing).

An anti-siphon valve is also required here to prevent pressure drops in the water supply line from suctioning water out of the toilet tank (which may contain additives such as "toilet blue") and contaminating the water system.