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090110_DBT_e | ValveTech
Performance
Hydraulic
Operating pressure max.: 350 bar
Tank pressure max.: DBT1: 350 bar, DBT2 and DBT3: 70 bar
Flow rate: see type code
Flow direction: 1 (P) to 2 (T)
Pressure setting range: see type code
Hydraulic uid: mineral oil according to DIN 51524,
other hydraulic uids upon request
Viscosity range: 7,4 - 420 cSt
Filtration: oil cleanliness according to ISO 4406 (1999)
18/16/13, lter with β 5(c) > 200
Technical Data
Mechanic
Design: screw-in valve
Fluid temperature: -30 ° C to +80 ° C
Ambient temperature: -30 ° C to +80 ° C
Storage temperature: -30 ° C to +60 ° C (non-condensing)
Installation position: any
Weight: DBT1, DBT3: 0,14 kg
DBT2: 0,10 kg
Material: valve parts: steel
seals: NBR, backup rings: PU, teon
Surface protection: zinc coated
NOTE
The pressure on port 2 (T) adds directly to the set pressure. The total pressure of
port 1 (P) and 2 (T) must not exceed the maximum operating pressure.
Pressure relief valve
0 2 4 6 8 10 12 14 16 18 20 22 24 26
0
25
50
75
100
125
150
175
200
225
250
W
B
A
p [bar]
Q [l/min]
0 2 4 6 8 10
0
25
50
75
100
125
150
175
200
225
D
A
Pressure diagram (p/Q) DBT1 and DBT3 Pressure diagram (p/Q) DBT2
Test conditions
Oil: HLP 32, temperature: 40 ° C (~32 cSt)
Higher viscosities change the performance curves.