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Your are now in the overview of an article: DB450
Choose a version from the table underneath, please.

Diaphragm back pressure regulators protect pneumatic devices
against overpressure. If the pressure exceeds the setpoint,
the pressure valve exhausts to the atmosphere until the
pressure level is below the setpoint. It is advisable to
select the pressure range as near as possible to the maximum

Media: compressed air or non-corrosive gases
Overpressure: max. 17 bar
Pilot_pressure: 0 ... 10 bar
Accurcay: 3% at 7 bar pilot pressure
Response_sensitivity: 2.5 mbar

Adjustment: depending on the level of signal pressure the response
value will change accordingly

Gauge_port: G1/4 on both sides of the body,
screw plugs supplied

Mounting_position: any

0 °C to 90 °C / 32 °F to 194 °F,
for appropriately conditioned compressed air down to -40 °C / -40 °F

Body: aluminium die casting
Elastomer: NBR/Buna-N
O-rings: NBR/Buna-N, optionally FKM
Inner_valve: brass and aluminium

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part numberconnectionpressure range [bar]overpressure max. [bar]relief capacity [l/min]Price plus VAT (EU)
DB450-03 G3/80...101735001609,10 €
DB450-04 G1/20...101735001609,10 €
DB450-06 G3/40...101735001609,10 €