Pressure relief valves DB500/700/1000

Operating pressure up to 1000 bar
Max. flow rate up to 25 l/Min
Porting NG 6

Features Advantages
Directly operated Stable control behaviour thanks to damping piston
Seat construction High degree of pressure stability
As cardridge and modular valve with one cardridge Pre-set valves on request
The sytem pressure can be set to the required pressure via the adjusting spindle Flat characteristics
Fixing of the pre-set maximum pressure by lock nut Safe function


Technical data

Hydraulic fluid mineral oil according to DIN 51524 (other fluids on request)
Fluid temperature range – 20 to 80 °C
Ambient temperature range – 30 to 50 °C
Viscosity range 5 to 400 mm²/s
Porting 1000 bar: NG 6 according to Bieri Standard
700 and 500 bar: NG 6 DIN 24340/ISO4401/CETOP RP 121 H
Max. operating pressure connection P, A, B 1000 bar
Max. operating pressure connection T 350 bar, 1000 bar with back pressure compensated version
Max. flow rate 1000 bar: 16 l/min
700 and 500 bar: 25 l/min
Filtration (recommentation) according to NAS 1638, class 6 or ISO / DIN 4406 17/15/12
Weight see overview technical data sheet
Material modular subplate: steel zinc-nickel coated
cartridge body: stainless steel
sealing cap: plastic