Bosch Rexroth material number R900481622 is the Z2FS6-2-4X/2Q Throttle Check Valve NG6, 350 bar, 80 l/min (size 6, A1 → A2, B1 → B2 or A2 → A1, B2 → B1, with mechanical actuation).
Sandwich-plate throttle check valves of the Z2FS type are stacked under the directional valve to adjust the speed of the cylinder in the A and/or B line.
More Rexroth hydraulic and linear-motion parts: Bosch Rexroth range.
The Rexroth product description reads: “Industrial hydraulic valve in a high performance range. Reliable throttling of the flow to setting.”
Technical data
| Material number | R900481622 |
|---|---|
| Type code | Z2FS6-2-4X/2Q |
| Operating pressure, max. | 350 bar |
| Max. flow | 80 l/min |
| Spool symbol | A1 → A2, B1 → B2 or A2 → A1, B2 → B1 |
| 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 | 1.05 kg |
| Hydraulic fluids (per Rexroth) | HFC, HL, HLP, HLPD, HVLP, HVLPD |
| Product family | Z2FS6 |
| Data sheet | RD27506 |
| Brand | Bosch Rexroth |
| Condition | New, original |
Design features, as listed by Rexroth
- Direct actuated
- Setscrew with lock nut
- Standard setting
Typical applications
- Replacement of an existing flow valve
- Presses
- Stacked valve assemblies
- Machine tools and handling equipment
- Cylinder speed adjustment
Compatibility and replacement
Order with the 10-character material number R900481622; in Rexroth codes every character (size, pressure stage, adjustment element, options and seals) changes the part, so the type code Z2FS6-2-4X/2Q 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.
What to check first
- Seal material
- Adjustment element
- Channel (A, B or both)
Frequently asked questions
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.
What is the maximum flow?
80 l/min, according to the Bosch Rexroth product data.
Which spool symbol does it have?
A1 → A2, B1 → B2 or A2 → A1, B2 → B1, according to the Bosch Rexroth product data.
How is it actuated?
With mechanical actuation, according to the Bosch Rexroth product data.
Can you help me identify the right replacement?
Yes. Send us a photo of the label of the old part, or its full order code, and we will confirm the exact match or the official successor before quoting.
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.
