Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Packaging Details | wooden box |
| Supply Ability | 100 |
| Max. Operating Pressure | 315 bar (ports A & B) |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Cracking Pressure (Reverse Check) | approx. 0.5 bar (standard free-return) |
| Delivery Time | 2 weeks |
| Max. Adjustable Flow | 3 L/min (fine metering — Q range typically 0.05–3 L/min) |
| Fluid Temperature Range | -30 °C to +80 °C (NBR seals) |
| Component Series | 2X (series 20+, dimensionally interchangeable) |
| Model Number | R983032410 2FRM6B36-2X/3QRV-IN001 |
| Brand Name | Rexroth |
| Place of Origin | Germany |
| Certification | ISO |
View Detail Information
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Product Specification
| Packaging Details | wooden box | Supply Ability | 100 |
| Max. Operating Pressure | 315 bar (ports A & B) | Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Cracking Pressure (Reverse Check) | approx. 0.5 bar (standard free-return) | Delivery Time | 2 weeks |
| Max. Adjustable Flow | 3 L/min (fine metering — Q range typically 0.05–3 L/min) | Fluid Temperature Range | -30 °C to +80 °C (NBR seals) |
| Component Series | 2X (series 20+, dimensionally interchangeable) | Model Number | R983032410 2FRM6B36-2X/3QRV-IN001 |
| Brand Name | Rexroth | Place of Origin | Germany |
| Certification | ISO |
|
Parameter |
Value |
|---|---|
|
Full Part Number |
R983032410 (IN001 = individual inspection suffix) |
|
Base Model |
2FRM 6 - B36 - 2X / 3QRV |
|
Valve Type |
2-way throttle check valve with pressure compensator (flow control — constant flow despite pressure fluctuations) |
|
Nominal Size (NG) |
6 — sandwich mounting per ISO 6263 / NG6 (DIN 24340 Form C) |
|
Function |
Adjustable orifice + pressure-compensated spool → constant flow A→B; free reverse flow B→A via check valve |
|
Adjustment Type |
B36 = Rotary knurled knob with scale & lock setscrew (hand-adjustable) |
|
Component Series |
2X (series 20+, dimensionally interchangeable) |
|
Max. Adjustable Flow |
3 L/min (fine metering — Q range typically 0.05–3 L/min) |
|
Max. Operating Pressure |
315 bar (ports A & B) |
|
Cracking Pressure (Reverse Check) |
approx. 0.5 bar (standard free-return) |
|
Mounting Pattern |
NG6 sandwich (4× M5 bolts), between directional valve & subplate |
|
Seal Material |
NBR (standard, code V — for mineral oil HL/HLP, HFC) |
|
Hydraulic Fluid |
Mineral oil HL, HLP per DIN 51524; HFC (water-glycol); HLPD, HVLP, HVLPD |
|
Fluid Temperature Range |
-30 °C to +80 °C (NBR seals) |
|
Viscosity Range |
10–800 mm²/s |
|
Weight (approx.) |
1.22 kg |
|
Body Material |
Steel / cast iron, zinc-plated |
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Q1: Is this a simple throttle / needle valve?
No. A simple needle valve lets flow vary with pressure difference. The 2FRM is pressure-compensated — the built-in compensator spool keeps the set flow essentially constantdespite load or supply pressure changes (provided ≥~15 bar ΔP across compensator).
Q2: What does "B36 /3QRV" mean?
B36 = NG6 sandwich, rotary knurled knob with scale (0–max reference) + locking setscrew — adjustable by hand.
/3 = maximum adjustable flow = 3 L/min (fine-metering version; also available: /6, /10, /16, /25, /32).
Q = flow controlled in A→B direction.
R = free reverse flow B→A via check valve.
V = NBR seals (standard).
Q3: How do I set the flow?
Loosen the lock setscrew, turn the knurled knob clockwise to increase flow, counterclockwise to decrease. The knob has a relative scale — use a flow meter to correlate to actual L/min. Retighten the lock setscrew after setting.
Q4: How is it mounted?
As a sandwich (stackable) valve between a directional control valve and the NG6 subplate, same bolt pattern as ZDR/Z2FS sandwiches (4× M5). Observe the arrow on the valve body — A→B = controlled/metered flow, B→A = free return.
Q5: Does it work both ways?
No — one direction is pressure-compensated metered flow (A→B), the opposite direction (B→A) is free return through the check valve (no flow control, minimal pressure drop ~0.5 bar). For bidirectional flow control use two 2FRM valves.
Q6: Minimum pressure requirement?
The pressure compensator typically needs min. ~15 bar differential pressure across the compensator to regulate properly. Supply pressure must exceed the highest load pressure + ~15–20 bar + line losses.
Q7: Common faults & causes?
Flow varies with load pressure: compensator spool stuck (contamination) — check oil filtration (ISO 4406 18/16/13 or better); or insufficient ΔP across compensator.
No flow / very low at max knob: valve installed backwards, or compensator/spool jammed.
Cannot reach set flow / unstable: partially clogged orifice (critical at low flows — fine filtration essential), cold-start high viscosity.
Excessive heat: normal for flow controls — P_drop × Q = heat; ensure supply pressure isn't unnecessarily high.
Q8: Fluid & seal compatibility?
NBR seals = mineral oil (HL/HLP) & HFC (water-glycol). For HEES/HETG biodegradable oils or HFD phosphate ester → specify FKM (Viton) seal variant.
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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