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R983032420 2FRM6B36-2X/32QRV-IN001 Rexroth speed regulating valve

China R983032420 2FRM6B36-2X/32QRV-IN001 Rexroth speed regulating valve

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R983032420 2FRM6B36-2X/32QRV-IN001 Rexroth speed regulating valve

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Viscosity Range	10–800 mm²/s
Packaging Details	wooden box
Max. Operating Pressure	315 bar (both ports A & B)
Supply Ability	100
Body Material	Steel / cast iron, zinc-plated
Weight (approx.)	1.25 kg
Payment Terms	Western Union,T/T,D/P,D/A,L/C
Fluid Temperature Range	-30 °C to +80 °C (NBR seals)
Delivery Time	2 weeks
Model Number	R983032420 2FRM6B36-2X/32QRV-IN001
Certification	ISO
Brand Name	Rexroth
Place of Origin	Germany

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Product Details
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Product Specification


Viscosity Range	10–800 mm²/s	Packaging Details	wooden box
Max. Operating Pressure	315 bar (both ports A & B)	Supply Ability	100
Body Material	Steel / cast iron, zinc-plated	Weight (approx.)	1.25 kg
Payment Terms	Western Union,T/T,D/P,D/A,L/C	Fluid Temperature Range	-30 °C to +80 °C (NBR seals)
Delivery Time	2 weeks	Model Number	R983032420 2FRM6B36-2X/32QRV-IN001
Certification	ISO	Brand Name	Rexroth
Place of Origin	Germany
High Light	Rexroth speed regulating valve ，Rexroth hydraulic control valve ，Rexroth valve with warranty

R983032420 2FRM6B36-2X/32QRV-IN001 Rexroth Speed Regulating Valve

Product Overview

Pressure-compensated 2-way throttle check valve for precise flow control in hydraulic systems. Maintains set flow rate independent of load and pressure fluctuations.

Technical Specifications

Parameter	Value
Part Number	R983032420 (IN001 = individual serial/no. documented unit)
Model Base Type	2FRM 6 - B36 - 2X / 32QRV
Valve Type	2-way throttle check valve with pressure compensator
Nominal Size (NG)	6 - sandwich mounting per ISO 6263 / NG6 (DIN 24340 Form C)
Function	Adjustable orifice + pressure-compensated spool → constant flow in one direction; free reverse flow (check function)
Adjustment Type	B36 = Rotary knurled knob with scale (lockable with setscrew)
Component Series	2X (series 20+, dimensionally interchangeable)
Rated / Max. Adjustable Flow	32 L/min (Qrange typically 0.05-32 L/min)
Max. Operating Pressure	315 bar (both ports A & B)
Cracking Pressure of Reverse Check	approx. 0.5-1 bar (standard)
Mounting Pattern	NG6 sandwich (between directional valve & subplate), 4× M5 bolts
Seal Material	NBR (standard)
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.)	1.25 kg
Body Material	Steel / cast iron, zinc-plated

Related Part Numbers

R983032412 2FRM6B36-2X/6QRV-IN001

R983032413 2FRM6B36-2X/10QMV-IN001

R983032414 2FRM6B36-2X/10QRV-IN001

R983032415 2FRM6B36-2X/16QMV-IN001

R983032416 2FRM6B36-2X/16QRV-IN001

R983032417 2FRM6B36-2X/25QMV-IN001

R983032418 2FRM6B36-2X/25QRV-IN001

R983032419 2FRM6B36-2X/32QMV-IN001

R983032420 2FRM6B36-2X/32QRV-IN001

R900205577 2FRM6B36-3X/0,2QMV

R900205509 2FRM6B36-3X/10QRV

R900205514 2FRM6B36-3X/32QMV

R900209927 2FRM6B76-34/10QRV

R900205521 2FRM6B76-3X/16QMV

R900205523 2FRM6B76-3X/25QMV

R900205510 2FRM6B36-3X/16QMV

R900216559 2FRM6A76-3X/16QMV

R900205512 2FRM6B36-3X/25QMV

R900986124 2FRM6A36-3X/32QMV

R900205517 2FRM6B36-3X/3QRV

R900205515 2FRM6B36-33/32QRV

R900205519 2FRM6B36-32/6QRV

R900205511 2FRM6B36-33/16QRV

R900205513 2FRM6B36-32/25QRV

R900205508 2FRM6B36-3X/10QMV

R900205578 2FRM6B36-3X/0,6QMV

R900207275 2FRM6B38-3X/0,6QRVSO23

R983032407 2FRM6B36-2X/0.6QRV

R983032406 2FRM6B36-2X/0.6QMV-IN001

R900057830 2FRM5-33/15QJ

R900205503 2FRM6A36-33/1.5QRV

R900205504 2FRM6A36-33/3QRV

R900205505 2FRM6A36-33/6QRV

R900205506 2FRM6B36-33/1.5QMV

R900205507 2FRM6B36-30/1.5QRV

R900205508 2FRM6B36-33/10QMV

R900205509 2FRM6B36-30/10QRV

R900205510 2FRM6B36-30/16QMV

R900205511 2FRM6B36-30/16QRV

R900205512 2FRM6B36-33/25QMV

R900205513 2FRM6B36-30/25QRV

R900205514 2FRM6B36-30/32QMV

R900205515 2FRM6B36-30/32QRV

R900205516 2FRM6B36-33/3QMV

R900205517 2FRM6B36-31/3QRV

Frequently Asked Questions

Q1: Is this a simple throttle / needle valve?

No. A simple throttle valve (only orifice) lets flow vary with pressure difference. The 2FRM is a pressure-compensated flow control valve — the built-in pressure compensator (spool) keeps the set flow rate essentially constant despite changes in load pressure or supply pressure (within its compensation range ~15-300 bar ΔP across compensator).

Q2: What does "B36 /32QRV" mean?

B36 = NG6 sandwich, rotary knurled knob with scale (0-max) + locking setscrew — adjustable by hand
/32 = maximum adjustable flow = 32 L/min
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 (if tightened), turn the knurled knob clockwise to increase flow, counterclockwise to decrease. The knob has a scale (1-10 or % reference — not in L/min directly). Use a flow meter to correlate the scale to actual L/min for your application. 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 as ZDR/Z2FS sandwiches. Uses NG6 DIN 24340 Form C / ISO 6263 bolt pattern (4× M5). Observe the directional arrow on the valve body — A→B = controlled flow.

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 you need two 2FRM valves or a 4-way flow control solution.

Q6: Common faults & causes?

Flow varies with load pressure: pressure compensator spool stuck (contamination) — check oil filtration (ISO 4406 18/16/13 or better); or system pressure too low to generate required ΔP across compensator (<~15 bar)
No flow / very low flow even at max knob: valve installed backwards (reverse arrow), or compensator spool jammed
Cannot reach max flow / flow unstable: wrong model (smaller Qmax), partially closed, or excessive viscosity (cold start) — allow warm-up
Excessive heat: some pressure drop is normal; if the valve is set for very low flow but sees high ΔP, energy dissipates as heat — this is normal for flow controls

Q7: Minimum pressure requirement?

The pressure compensator typically needs min. ~15 bar differential pressure across the compensator to properly regulate. System supply pressure must exceed the highest load pressure + ~15-20 bar + line losses for accurate flow control.

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. Maintain oil cleanliness per ISO 4406 code 18/16/13 or better.

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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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Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
Nan'an, Fujian Province, China
https://www.electrichydpump.com/

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