Pressure relief valves

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Valve 2220
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VALVE 2220

Patented


Reference : 2220


The walls of a cold room are constantly subjected to strains caused by pressure variations, either from inside or from outside.
The valves FERMOD patented, makes it possible to balance internal and external pressures, through venting.

DESCRIPTION OF THE VALVE
It is heated, mechanically operated valve, with two airtight mobile flaps with a return spring, allowing air flow in either direction.
The intake and exhaust are separated by a partition.

A - THE MECHANICAL ELEMENT
The wall mounted or ceiling mounted valve has a telescopic cylinder to allow adjustment to suit various wall thicknesses.
The cylinder has two separate compartments with flaps that allow either entrance or exit of air to balance the pressures.
This unit is made from a composite material resistant to cleaning products

B - THE HEATING ELEMENT

It is mounted on the perimeter and completely encapsulated in the valve.
Its continuous power is 8W.
The connection is made outside the cooling chamber with a cable which sticks out of front valve gland.

REFERENCES:

N° 2220TN: Wall or ceiling mounted valve with heating cord, for negative temperature cold room down to -30°C.
N° 2222TP: Wall or ceiling mounted valve without heating cord, for positive temperature cold room.
N° 2220TN-L200: Wall mounted valve with heating cord for negative temperature cold room down to -30°C, for 120 to 200mm thickness frame.


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