Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Max. Flow Rate | 160 L/min |
| Delivery Time | 2 weeks |
| Weight | Approx. 3.1 kg |
| Mounting Bolts | 4 × M6 (ISO 4762, Grade 10.9) |
| Supply Ability | 100 |
| Packaging Details | wooden box |
| Porting Pattern | ISO 4401-05-04-0-05 / DIN 24340 Form A |
| Max. Operating Pressure | 315 bar |
| Certification | ISO |
| Model Number | R900523578 Z2FS10A5-3X/S2V |
| Place of Origin | Germany |
| Brand Name | Rexroth |
View Detail Information
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Max. Flow Rate | 160 L/min |
| Delivery Time | 2 weeks | Weight | Approx. 3.1 kg |
| Mounting Bolts | 4 × M6 (ISO 4762, Grade 10.9) | Supply Ability | 100 |
| Packaging Details | wooden box | Porting Pattern | ISO 4401-05-04-0-05 / DIN 24340 Form A |
| Max. Operating Pressure | 315 bar | Certification | ISO |
| Model Number | R900523578 Z2FS10A5-3X/S2V | Place of Origin | Germany |
| Brand Name | Rexroth | ||
| High Light | Rexroth double one-way throttle valve ，Z2FS10A5-3X/S2V hydraulic valve ，Rexroth throttle valve with warranty | ||
|
Parameter Category |
Parameter |
Specification |
|---|---|---|
|
General Information |
Brand / Model |
Rexroth (Germany), Z2FS10A5-3X/S2V |
|
Order Code (Material No.) |
R900523578 |
|
|
Valve Type |
Twin Throttle Check Valve, Sandwich Plate Design |
|
|
Performance Parameters |
Nominal Size |
NG10 (D05 / ISO 4401-05) |
|
Max. Operating Pressure |
315 bar |
|
|
Max. Flow Rate |
160 L/min |
|
|
Throttle Function |
One-way throttling A→A₂ / B→B₂, free return flow opposite direction |
|
|
Version |
S2 = Both A & B ports throttled (Main Flow Limitation), fine-thread adjustment |
|
|
Mechanical Interface |
Mounting Style |
Sandwich Plate (between directional valve and subplate) |
|
Porting Pattern |
ISO 4401-05-04-0-05 / DIN 24340 Form A |
|
|
Mounting Bolts |
4 × M6 (ISO 4762, Grade 10.9) |
|
|
Adjustment Type |
Spindle with Internal Hex & Scale + Lock Nut + Protective Cap ("5" code) |
|
|
Weight |
Approx. 3.1 kg |
|
|
Media & Environment |
Seal Material |
FKM (Viton®) — suffix V |
|
Compatible Fluids |
Mineral Oils (HL/HLP), HFC (Water Glycol), HFD (Phosphate Ester — with FKM) |
|
|
Operating Temp. Range |
-20°C to +80°C (with FKM seals) |
|
|
Fluid Cleanliness |
ISO 4406 20/18/15 or cleaner |
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Q1: What is the difference between "S", "S2", and "P/T" versions?
A:
S / S2 = Main flow limitation — both working ports A and B have throttle/check combos to control actuator speed. "S2" is typically a later variant with refined adjustment or internal details.
P = Pilot flow limitation (throttles pilot lines of pilot-operated directional valves).
T = Tank line throttling.
Choose S/S2 for controlling cylinder or motor speed; choose P for adjusting valve switching time.
Q2: How is this valve installed in the stack?
A: Place the Z2FS10 between an NG10 directional control valve and its subplate/manifold. The side marked toward the directional valve contains the adjustable orifices (throttled direction A₁→A₂, B₁→B₂); the opposite side (facing subplate) contains the free-flow check valves. Tighten the four M6 bolts evenly to ~20–25 Nm in a cross pattern.
Q3: Which direction is throttled and which is free-flow?
A: Flow from the directional valve (A₁/B₁) toward the actuator (A₂/B₂) passes through the adjustable needle orifice — use this to set speed. The reverse flow (actuator → directional valve) lifts the check valve seat and returns unrestricted (no restriction). Need reverse-direction speed control? Add a second Z2FS on top or use a meter-in/meter-out circuit layout.
Q4: Why would I choose the FKM (Viton) version over the standard NBR version?
A: The V suffix = FKM seals, which resist:
Higher temperatures (up to +80°C vs. +70°C for NBR)
Water glycol (HFC) and phosphate ester (HFD) fire-resistant fluids
If you're using standard mineral oil only, the NBR version is adequate and lower cost. For HFC/HFD or high-temp service, FKM (this part) is required.
Q5: What causes unstable speed or valve blockage?
A: Main causes:
Contamination — the needle orifice is very small; maintain ISO 4406 20/18/15 and use a 10 µm return filter.
Lock nut over-tightened — can shift the spindle setting; snug only.
Pressure fluctuation — needle throttles are notpressure-compensated; large ∆P swings affect flow slightly (use a pressure-compensated flow control if tight speed regulation is needed).
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
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