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China factory - Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

  • China ,Fujian
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  3. R983032412 2FRM6B36-2X/6QRV-IN001 Speed control valve manufactured by Rexroth in
China R983032412 2FRM6B36-2X/6QRV-IN001 Speed control valve manufactured by Rexroth in
China R983032412 2FRM6B36-2X/6QRV-IN001 Speed control valve manufactured by Rexroth in

  1. China R983032412 2FRM6B36-2X/6QRV-IN001 Speed control valve manufactured by Rexroth in

R983032412 2FRM6B36-2X/6QRV-IN001 Speed control valve manufactured by Rexroth in

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Weight (approx.) 1.23 kg
Packaging Details wooden box
Adjustment Type B36 = Rotary knurled knob with scale & lock setscrew (hand-adjustable)
Supply Ability 100
Max. Adjustable Flow 6 L/min​ (fine-to-medium metering — Q range typically 0.1–6 L/min)
Fluid Temperature Range -30 °C to +80 °C (NBR seals)
Payment Terms Western Union,T/T,D/P,D/A,L/C
Delivery Time 2 weeks
Component Series 2X (series 20+, dimensionally interchangeable)
Model Number R983032412 2FRM6B36-2X/6QRV-IN001
Certification ISO
Brand Name Rexroth
Place of Origin Germany

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  1. Product Details
  2. Company Details

Product Specification

Weight (approx.) 1.23 kg Packaging Details wooden box
Adjustment Type B36 = Rotary knurled knob with scale & lock setscrew (hand-adjustable) Supply Ability 100
Max. Adjustable Flow 6 L/min​ (fine-to-medium metering — Q range typically 0.1–6 L/min) Fluid Temperature Range -30 °C to +80 °C (NBR seals)
Payment Terms Western Union,T/T,D/P,D/A,L/C Delivery Time 2 weeks
Component Series 2X (series 20+, dimensionally interchangeable) Model Number R983032412 2FRM6B36-2X/6QRV-IN001
Certification ISO Brand Name Rexroth
Place of Origin Germany
High Light Rexroth speed control valve ，Rexroth hydraulic control valve ，Rexroth 2FRM6B36 valve
R983032412 2FRM6B36-2X/6QRV-IN001 Speed Control Valve

Pressure-compensated flow control valve manufactured by Rexroth in Germany. This 2-way throttle check valve maintains constant flow despite pressure fluctuations, featuring adjustable orifice with pressure-compensated spool for precise flow control.

Technical Specifications
Full Part Number R983032412 (IN001 = individual inspection suffix)
Base Model 2FRM 6 - B36 - 2X / 6QRV
Valve Type 2-way throttle check valve with pressure compensator - flow control maintaining 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 6 L/min (fine-to-medium metering - Q range typically 0.1-6 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.) 1.23 kg
Body Material Steel / cast iron, zinc-plated
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Rexroth 2FRM series speed control valve technical diagram and product image
Frequently Asked Questions
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 constant despite load or supply pressure changes (provided ≥~15 bar ΔP across compensator).
Q2: What does "B36 /6QRV" mean?
  • B36 = NG6 sandwich, rotary knurled knob with scale (0-max reference) + locking setscrew - adjustable by hand
  • /6 = maximum adjustable flow = 6 L/min (medium-fine version; also available: /1.5, /3, /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, cold-start high viscosity - flush system
  • Excessive heat: normal for flow controls - P_drop × Q = heat; ensure supply pressure isn't unnecessarily high above load requirement
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

Bronze Gleitlager

,

Bronze Sleeve Bushings

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Graphite Plugged Bushings

 from Quality China Factory

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

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