Blow-Off Valves

News:

We have changed the order numbers for articles with set pressure, i.e. all blow-off and safety valves. The ordering code for the mini blow-off valve 368 illustrates the system.

Example

If you previously ordered the mini blow-off valve DN 3 with connection G ¼ with 1.1 bar under 368.21, this now corresponds to 368.21-1.1

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To blow out non-poisonous and non-flammable gases into the atmosphere in order to protect pressure tanks against overpressure.
Setting and lead seal at additional charge.

Definitions

Set pressure = start-to-leak pressure	Beginning of audible leaking
Opening pressure	Valve completely open, maximum blow-off / deflation
Closing pressure	Valve is closed and sealed (tight)
Opening pressure difference	Difference between start-to-leak pressure and opening pressure
Closing pressure difference	Difference between start-to-leak pressure and closing pressure

Examples

Set pressure	12,0 bar
Opening pressure (+10%)	13,2 bar
Closing pressure (-10%)	10,8 bar

News:

Example

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Cataloque pages (PDF)

Blow-off valves – article master data (Excel)

Definitions

Examples

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ISO9001 DE

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