Genuine Bosch Rexroth R900431771, type ZDR6DB2-4X/75YM: Pressure Reducing Valve NG6, Pressure Stage 75 bar, 50 l/min.
Sandwich-plate pressure reducing valves of the ZDR type are fitted between the directional valve and the subplate, so a reduced pressure can be set for one actuator without extra piping.
More Rexroth hydraulic and linear-motion parts: Bosch Rexroth range.
In the words of the manufacturer: “Industrial hydraulic valve in a high performance range. Reliable pressure reduction to setting value.”
Technical data
| Material number | R900431771 |
|---|---|
| Type code | ZDR6DB2-4X/75YM |
| Operating pressure, max. | 350 bar |
| Max. flow | 50 l/min |
| Spool symbol | P2 → P1 |
| Type of connection | Sandwich plate |
| Size | 6 |
| Type of actuation | with mechanical actuation |
| Number of ports | 4 |
| Number of switching positions | 2 |
| Seals | NBR |
| Weight | 1.44 kg |
| Hydraulic fluids (per Rexroth) | HFC, HL, HLP, HLPD, HVLP, HVLPD |
| Product family | ZDR6D |
| Data sheet | RD26570 |
| Brand | Bosch Rexroth |
| Condition | New, original |
Key features (per Rexroth)
- Internal hexagon with protective cap
- Spool valve
- direct operated
- Pressure adjustment range 3…75 bar
Typical applications
- Pilot pressure supply
- Replacement of an existing sandwich valve
- Machine tools
- Clamping and gripping circuits
- Stacked valve assemblies
Compatibility and replacement
Order with the 10-character material number R900431771; in Rexroth codes every character (size, pressure stage, adjustment element, options and seals) changes the part, so the type code ZDR6DB2-4X/75YM on the nameplate should match exactly.
If the nameplate of the old part is unreadable, send us a photo of the part or the machine hydraulic diagram and we will identify the matching Rexroth material number.
Before you replace it
- Channel in which the pressure is reduced (A, B or P)
- Size and ISO 4401 pattern
- Seal material
Frequently asked questions
Which spool symbol does it have?
P2 → P1, according to the Bosch Rexroth product data.
Which hydraulic fluids can it be used with?
Rexroth lists HFC, HL, HLP, HLPD, HVLP, HVLPD fluids for this part; check that the seal material suits your fluid.
What size is it?
Size 6 (NG6), according to the Bosch Rexroth product data.
How is it connected?
Sandwich plate, according to the Bosch Rexroth product data.
How much does it weigh?
1.44 kg, according to the Bosch Rexroth product data.
Can I get the datasheet?
The official manufacturer data is the source of the technical values above; we can send the datasheet with the quotation on request.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
