Polypropylene based (PP) technopolymer.
Graphic symbol "valve" tampoprinted in black colour.
Threaded connector: black colour.
TVD. breather caps with vacuum breaker valve are suitable for reservoirs and tanks for liquid transport.
The membrane retaining system allows a quick emptying out of the reservoir by letting in big quantities of air through the cap. Thus avoiding the vacuum inside the reservoir, slowing down the liquid exit.
The pre-set pressure of the membrane gasket stops any liquid loss when the reservoir is shaken (for example during transportation).
The liquid pressure on the gasket guarantees a perfect seal of the cap, for example in case of overturning of the reservoir.
Tests carried out under standard laboratory conditions at 23°C. Values to be considered only as guidelines.
Please contact ELESA Technical Department for further chemical resistance details to particular liquids not reported in the table.
|50 mb||360 l/min||370 l/min|
|40 mb||320 l/min||330 l/min|
|30 mb||260 l/min||280 l/min|
|20 mb||210 l/min||230 l/min|
|10 mb||140 l/min||160 l/min|
|5 mb||110 l/min||130 l/min|
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