ambient temperature:  -15 to +70°C
outlet pressure range:
403-420 version S 20/22...4 to 20 mbar
403-412 version S 50/52...4 to 50 mbar
415-420 version S 50/52...20 to 50 mbar

MB-D, fast opening, fast closing;
MB-DLE, slow opening, fast closing; adjustable opening characteristic

MB...B07 version with integrated bypass valve for two stage firing applications.

MB...405 to 420 B01...Rp 1/2 to 2
max. operating pressure: 360 mbar

MB-D/DLE 053 / 403 B01 Rp 3/8, 1/2
max. operating pressure: 60 / 200 mbar

max. operating pressure: 500 mbar
test volume:  4 l
pressure rise/test pressure = 20 mbar
sensitivity limit:  < 50 l/h
test cycle:  approx. 10 to 30 s
ambient temperature:  -15 to +70°C

max. operating pressure: 360 mbar
test volume:  10 l to 20 l / 360 mbar
pressure rise/test pressure = 40 mbar
sensitivity limit:  < 50 l/h
test cycle:  approx. 30 s

ambient temperature:  -15 to +60°C

DK 2 Control Unit for leak testing two valves in series; test on start and and shut down; independent of inlet pressure.

LK 2F/2 Control Unit for pipe-leak test (checking the closing of gas offtake points, e.g. in laboratories).

ambient temperature: -15 to +60°C
DK 2F, LK 2F/2...test cycle 60 s
DK 2F Series 03...test cycle 90 s

Conversions:

4 to 20 mbar...1.6" to 8" wc
4 to 50 mbar...1.6" to 20" wc
200 mbar...3 PSI
360 mbar...5 PSI
500 mbar...7 PSI
-15 to +60°C ... 5 to 140°F
-15 to +70°C ... 5 to 158°F

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