E .0/12.10
148
Overpressure Protection Valve
Poppet Type, Direct Acting
Cartridge – 500 bar
DSR5E
z To shut off consumers when certain pressures are reached
z Excellent dynamic performance
z Excellent stability throughout ow range
z All valve parts made of high-strength steel with hardened and ground components to
ensure minimal wear and extended service life
z Adjustable across entire pressure range
z Various pressure ranges up to 350 bar
Operating pressure: max. 500 bar, can be set up to 350 bar
Nominal ow: max. 15 l/min
Setting pressure ranges: 100 / 250 / 350 bar
Cut-out pressure tolerance: +/- 5 bar
Internal leakage: < 5 drops/min = 0.35 ml/min
Media operating temperature range: min. -20 °C to max. +100 °C
Ambient temperature range: min. -20 °C to max. +100 °C
Fluid: Hydraulic oil to DIN 51524 Part 1 + 2
Viscosity: min. 2.8 mm²/s to max. 800 mm²/s
Filtration: Class 21/19/16 to ISO 4406
or cleaner
MTTF
d
: 150 years
Installation: No orientation restrictions, preferably
horizontal
Materials: Valve body: steel
Piston: hardened and
ground steel
Seals: FKM (standard)
NBR (optional, temperature
range to -30 °C)
Back-up rings: PTFE
Cavity: 06020
Weight: 0.38 kg
The overpressure protection valve DSR5E
is a direct acting, spring-loaded poppet
valve. When the pressure rises above the
pre-set spring tension, the valve closes
and the oil ow to the consumer port 2 is
blocked.
Up to 15 l/min
Up to 500 bar