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NON RETURN VALVE

The non return valve unit is intended for use in medical central gas systems to secure that gas does not flow back from the equipment and pipes through the central gas system. This is very important for example when technical air is taken from medical air pipes for use in laboratories.
The non return valve unit consists of a non return valve (NRV) with flow direction arrow, lockable medical shut off valves, soldering pieces, nuts and a gasspecific medical quick coupling (QC) for medical breathing air.
This design makes the NRV very easy to test. The QC can also be used for checking the pressure, doing leak tests and take gas samples. The NRV unit can also be delivered with QC for instrumental air. 

For more information please contact our sales and product support.

NON RETURN VALVE UNIT

Item No. Denomination Total
Length
329000825 Non return valve unit medical O2 DN15 415 mm
325397676 Non return valve unit medical breathing AIR DN15 415 mm
329000826 Non return valve unit Air–800 DN15 415 mm
325397873 Non return valve unit O2 DN15 505 mm
325397677 Non return valve unit AIR DN25 505 mm
325397777 Non return valve unit Air–800 DN25 505 mm
325397874 Non return valve unit O2 DN40 932 mm
325397678 Non return valve unit AIR DN40 932 mm
325397875 Non return valve unit Air-800 DN40 932 mm

SEALING BETWEEN NON RETURN VALVE AND CONNECTING PIECE

Item No. Denomination
944610218P DN15 O–ring, 10 pcs
325112713P DN25 Sealing, 10 pcs
325112880P DN40 O–ring, 10 pcs

TECHNICAL DATA

Opening pressure: 0,06 bar (6 kPa)
Pressure class: PN16
Regulatory status:

Degreasing for Oxygen use

no CE–marking