Images are examples, some edited with AI. The technical data are authoritative. AI notice
HY-Rückschlagventil SL20GB3-4X/QMG24M - Bosch Rexroth R901426797
A suspended cylinder must not creep down while the machine stands still. This pilot-operated check valve of size 20 blocks leak-free in direction A to B and releases up to 350 l/min at 315 bar maximum.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
The valve holds a load hydraulically and releases it only once pilot oil is applied. In the blocking direction the seat closes leak-free, in the open direction up to 350 l/min pass through, operating pressure reaches 315 bar.
Benefits
- Size 20 with a flow of up to 350 l/min and operating pressure up to 315 bar
- Threaded connection to port pattern ISO 5781-08-10-0-16 with 4 ports
- Direct actuated with external pilot oil return, so pilot pressure stays independent of return line pressure
- Connector, 4-pole, M12 x 1, coding A according to EN 61076-2 at 24 VDC
- Tested by DGUV Test under test certificate HM 220197-2022
- NBR seals for HL hydraulic fluid, mass 5.64 kg
Applications
Typical installations are presses, lifting gear and clamping fixtures where a load is held hydraulically over a long period. The 2 switching positions together with the DGUV certificate also suit tasks around operator safety on presses.
Manufacturer
Bosch Rexroth lists this item of product family SV/SL10..30 under material number R901426797.
Technical data
| Conformity description | DGUV Test - Test certificate HM 220197-2022 |
|---|---|
| Connection diagram | ISO 5781-08-10-0-16 |
| Max. flow | 350 l/min |
| Product family | SV/SL10..30 |
| Type of connection | Threaded connection |
| Conformity | DGUV |
| Supply voltage | 24 VDC |
| Number of switching positions | 2 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector, 4-pole, M12 x 1, coding A according to EN 61076-2 |
| Spool symbol | A to B |
| Operating pressure, max. | 315 bar |
| Size | 20 |
| Seals | NBR |
| Electrical connector | Connector, 4-pole, M12 x 1, coding A |
| Type of actuation | with hydraulic actuation |
| Weight | 5.64 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901426797 |
| 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 |
| Norm | DIN EN 61076-2-101 |
Downloads
Questions about this item
Any other question?
Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day.




