Plastic, with Filter and Double Valve

GN 775 Breather Caps, vandalism proof

Breather Caps vandalism proof GN 775 thumbnail

ELESA Original design SFW / VP. Info

Breather Caps vandalism proof GN 775 sketch

Show filter

d₁	Opening pressure in mbar at tank overpressure		Opening pressure in mbar at tank vacuum	d₂	d₃	l₁	l₂	l₃

G 3/4	350 Opening pressure	700* Opening pressure	30	36	16	15	5,5	68
M 42 x 2	350 Opening pressure	700* Opening pressure	30	47	32	21	4	74

Filter combination produces no result.

** not available from stock, requires a minimum order quantity

Specification

Plastic

Temperature resistant up to 120 °C
Black
Upper part (cap)
Polyamide (PA)
Lower part (threaded part)
Polyacetal (POM)

Sealing ring
NBR (Perbunan)

Air filter PU-foam (Polyurethane)
Filtration 40 µm

Key
Plastic, red

Insert profile
Stainless steel sheet

Pressure spring
Stainless steel

IP Protection Classes

Elastomer Characteristics

Plastic Characteristics

RoHS

Information

Function and operational criteria of breather caps GN 775 see description of function.

In addition, breather caps GN 775 are known for the following properties:

a torque limiter is installed in the mechanism which is set to give the optimum torque to ensure a perfect seal on installation,
once screwed in position, they can only be removed with a special key,
with this vandalism proof function, the breather caps cannot be tampered with or removed by an unauthorised person.

The connection between upper part (cap) and lower part (threaded part) conforms to protection class 65.

Breather caps are supplied with two keys each.