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During a rapid press stroke the cylinder needs more oil than the pump can deliver. This size 125 prefill valve lets up to 3800 l/min flow in from the tank and opens with pre-decompression, so pressure is not released abruptly.
Filling Valve SF125B1-1-4X/SO103 - Bosch Rexroth R901164233
BOSCH REXROTH
Original product
Net price (excl. VAT)
€12,519.38
Item
BRR-R901164233
Manufacturer no.
R901164233
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901164233
Country of originGermany
ConditionNew
Artikel
BRR-R901164233
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Total price
Large press cylinders fill from the tank on a rapid stroke, not from the pump. The SF125B1-1-4X/SO103 prefill valve handles that suction flow at up to 3800 l/min, sits in the tank and opens under hydraulic actuation with pre-decompression.
Benefits
- Up to 3800 l/min flow capacity for prefilling during the rapid stroke
- Pre-decompression on opening, so pressure is not released abruptly
- Seat valve design with two switching positions, symbol A to B
- Operating pressure up to 350 bar in size 125
- Tank installation, port thread to ISO 228-1
- Hydraulic actuation without electrics, NBR seals, weight 61.5 kg
Technical data
| Connection diagram | ISO 228-1 |
| Max. flow | 3800 l/min |
| Product family | SF |
| Type of connection | Tank installation |
| Number of switching positions | 2 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Spool symbol | A to B |
| Operating pressure, max. | 350 bar |
| Size | 125 |
| Seals | NBR |
| Type of actuation | With hydraulic actuation |
| Weight | 61.5 kg |
Applications
The valve is fitted in the tank or header above the press cylinder so oil can follow during the rapid stroke. On retraction it opens again and returns the displaced volume to the tank. Being purely hydraulically actuated, it needs no electrical control.
Manufacturer
Bosch Rexroth, material number R901164233, product family SF. The SO103 suffix belongs to the special build and must be quoted on every repeat order.
| Hersteller-Nr | R901164233 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 61.500000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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