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Proportional pressure relief valve, direct operated
Type DBET…XE
▶ Size 6
▶ Component series 6X
▶ Maximum operating pressure 420 bar
▶ Maximum flow 2 l/min
ATEX units For potentially explosive atmospheres Information on explosion protection:
▶ Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 2G, II 2D
▶ Type of protection valve:
– Ex h IIC T4 Gb X according to EN 80079-36
– Ex h IIIC T130°C Db X according to EN 80079-36
▶ Type of protection valve solenoid:
– Gas: eb (EN 60079-7), mb (EN 60079-18)
– Dust: tb (EN 60079-31)
▶ IECEx certificate of conformity of the valve solenoid
Features
▶ For intended use in potentially explosive atmospheres
▶ For subplate mounting
▶ Porting pattern according to ISO 4401-03-02-0-05
▶ Wet-pin DC solenoid
▶ Electrical connection as individual connection with cable gland
▶ The external metal parts are galvanized to protect them against corrosion (seawater-resistant)
Key Technical Specifications
| Item | DBET‑XE‑6X | DBETE‑XE‑6X |
|---|---|---|
| Mounting | NG6 / CETOP‑03 / ISO4401‑03 sub‑plate | NG6 / CETOP‑03 / ISO4401‑03 sub‑plate |
| P‑port max pressure | 315 bar (option 420 bar) | 315 bar (option 420 bar) |
| T‑port permissible backpressure | high back‑pressure tolerant (XE external pilot drain) | high back‑pressure tolerant (XE external pilot drain) |
| Pressure grades | 50 /100 /200 /315 /420 bar | 50 /100 /200 /315 /420 bar |
| Nominal flow | 40 L/min | 40 L/min |
| Solenoid supply | 24 VDC | 24 VDC |
| Signal input | via external amplifier | 0‑10 V /4‑20 mA direct input(OBE) |
| Hysteresis | ≤4 % FS | ≤2 % FS |
| Repeat accuracy | ≤±2 % FS | ≤±1 % FS |
| Response time On/Off | <60 ms /<70 ms | <60 ms /<70 ms |
| Weight | 2.0 kg | 2.15 kg |
| Connector | DIN‑43650 K4 plug | M12‑4pin K31A1V plug, IP65 |
| Standard seal | NBR; FKM optional | NBR; FKM optional |
| Fluid cleanliness | ISO4406‑18/16/13 | ISO4406‑18/16/13 |
| Ambient temperature | ‑20~+70℃ | ‑20~+50℃ |
DBET‑XE‑6X: open‑loop, external proportional amplifier required, XE=external pilot drain
DBETE‑XE‑6X: OBE integrated onboard electronics, direct 0‑10 V /4‑20 mA input, XE external pilot drain
Compared to standard DBET / DBETE (internal pilot drain “Y”):‑XE version pilot oil drains externally to tank, not internally to T‑port, solves trouble caused by high back‑pressure on T‑line。
Typical ordering example
DBET‑XE‑6X/315G24K4V‑ DBET: external amplifier type; XE: external pilot drain;6X=series;315bar;G24=24VDC;K4=DIN plug
DBETE‑XE‑6X/315G24K31A1V‑ DBETE: OBE integrated electronics; XE: external pilot drain; K31A1V=M12‑4pin connector
Partial Models:
R901187998 | DBET-1-6X/100G24XEJV |
R901188001 | DBET-1-6X/200G24XEJV |
R901240326 | DBET-1-6X/200YG24XEJV |
R901164642 | DBET-1-6X/315G24XEJV |
R901188005 | DBET-1-6X/315YG24XEJV |
R901187993 | DBET-1-6X/350G24XEJV |
R901188004 | DBET-1-6X/420G24XEJV |
R901187995 | DBET-1-6X/50G24XEJV |
Notes:Not all informations are shown.Contact Rexroth engineers for assistance.