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Pumpensicherheitsblock DBAW15BF2-2X/280Z6EG24N9K4A08E - Bosch Rexroth R901271066
A pump safety block handles pressure limitation and electrical unloading in one part. This size 16 block limits within 6 to 280 bar, takes 250 l/min and switches unloading through a built-on directional valve on 24 VDC. Flange connection, NBR seals, 7.7 kg.
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Description
A power unit should start up unloaded and stay safely limited in operation. This pilot-operated pump safety block does both while carrying up to 250 l/min at a maximum operating pressure of 350 bar.
Benefits
- Pressure adjustment range 6 to 280 bar via internal hexagon with protective cap
- 250 l/min maximum flow, operating pressure up to 350 bar
- Solenoid unloading through a built-on directional spool valve on 24 VDC
- Pressure valve in poppet seat design, pilot-operated
- Size 16 flange connection with 2 ports
- NBR seals, 7.7 kg weight, CE conformity
Application
The block sits straight on the pump outlet of power units in presses and machine tools. It caps system pressure and puts the pump on bypass for start-up or idle periods. The connection diagram follows ISO 4401-03-02-0-05.
Manufacturer
Bosch Rexroth lists this article under material number R901271066.
Technical data
| Connection diagram | ISO 4401-03-02-0-05 |
|---|---|
| Max. flow | 250 l/min |
| Product family | DBA.15,25,30 |
| Type of connection | Flange connection |
| Conformity | CE |
| Supply voltage | 24 VDC |
| Number of switching positions | 2 |
| Hydraulic fluid | HL |
| Number of ports | 2 |
| Electrical connection description | Connector, 3-pole (2 + PE) according to EN 175301-803 |
| Spool symbol | B |
| Operating pressure, max. | 350 bar |
| Size | 16 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | with solenoid actuation |
| Weight | 7.7 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901271066 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
Downloads
User Manual
- Operating instructions RE25891-B/10.21 09.17 Pump safety block (Safety valve according to Pressure E (RE 25891) EN
- Betriebsanleitung RD25891-B/10.21 09.17 Pumpenabsicherungsblock (Sicherheitsventil nach (RD 25891) DE
- Notice d'utilisation RF25891-B/10.21 09.17 Réf. article. R901557897 Bloc de protection de pompe (RF 25891) FR
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