Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of two way flow control valve in China, also supports customized service. If you're going to wholesale high quality two way flow control valve made in China, welcome to get pricelist from our factory.
2FRM5 Two Way Flow Control Valve - NG6, 32 L/min, 31.5 MPa
Flow control valves come in two flavors. One-way - controls flow in one direction, lets it pass freely in the other. Two-way - controls flow both ways.
The 2FRM5 is two-way. Flow from A to B is regulated. Flow from B to A is regulated. Same setting works for both.
But that's not the whole story. The 2FRM5 also has pressure compensation. A simple needle valve - flow changes when pressure changes. Load goes up, flow drops. Speed slows. Load goes down, flow increases. Speed speeds up.
The 2FRM5 doesn't do that. It holds the set flow steady, regardless of pressure changes. That's the real value.
NG6 size. 32 L/min. 31.5 MPa. Design number 30.
Six ways to think about this valve
When you're looking at a flow control valve, you're really asking a handful of practical questions. Here's how the 2FRM5 answers each one.
1. What flow and pressure can it handle?
32 L/min and 31.5 MPa. NG6 size.
2. What's the difference between this and a simple needle valve?
Pressure compensation. The 2FRM5 keeps flow steady regardless of pressure changes. A needle valve doesn't - flow changes when pressure changes.
3. What does "two-way" mean?
Flow is controlled in both directions. A to B and B to A. Same setting applies to both.
4. How do I adjust it?
Turn the adjustment clockwise to decrease flow, counterclockwise to increase. Verify with a flow meter.
5. How do I install it?
Subplate mounting. Standard NG6 footprint. Bolt it down, connect the ports.
6. What about maintenance?
Not much. Keep the oil clean - flow control valves have small orifices that are sensitive to contamination. If the flow drifts, check for dirt in the orifice first.
Transaction information
- Minimum order quantity: 10 pieces
- Payment method: T/T, Paypal, Western Union
- Supply Ability: Annual output of 1,000,000
- Delivery time: 10-15 days
- Conventional packing: Wooden case
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Product Parameters |
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Specification |
6 |
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Max working pressure Mpa |
31.5 |
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Max.Flow (L/min) |
32 |
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Design Number |
30 |
Where it belongs
The 2FRM5 Two Way Flow Control Valve shows up wherever consistent bidirectional speed matters:
Machine tools - feed drives need constant speed for good surface finish
Hydraulic motors - same speed forward and reverse
Conveyor drives - consistent speed regardless of load
Test rigs - controlled flow both directions
Cylinder circuits - same extend and retract speed
If your actuator moves both ways and you want the same speed both ways - regardless of load - the 2FRM5 does exactly that.
About the Company
Shijiazhuang Laiye Import & Export Trading Co., Ltd., part of Hebei Onederful® Hydraulic Technology Co., Ltd., has been making hydraulic components since 1988. Directional valves, pressure valves, flow valves - and accessories.
Products go to Russia, Europe, the Middle East, South America, and Asia. ISO 9001 certified. Each valve is tested individually, with data linked to its serial number.
Packaging and Transportation
Factory workshop
Exhibition
FAQ
Q: What kind of valve is the 2FRM5, and what are its key features?
A: The 2FRM5 is a 2-way flow control valve for precise hydraulic flow regulation. Flow remains stable despite pressure or temperature changes, ensuring steady actuator speeds.
Q: What should I do if the flow adjustment handle won't turn?
A: The issue may be caused by residual system pressure, debris jamming the adjustment rod, or poor thread engagement. Relieve the pressure before trying to adjust it; if it still won't turn, the adjustment rod needs to be disassembled and cleaned.
Q: Why is the minimum stable flow rate unstable?
A: The primary cause is leakage fluctuations resulting from excessive clearance between the valve spool and the valve sleeve. You need to inspect the fit of the spool and replace any worn parts if necessary.
Q: What causes the throttling function to malfunction or fail completely?
A: Possible causes: reversed inlet/outlet ports, or a stuck pressure reducing spool (fully closed or barely open). Check connections, then disassemble and clean the spool if needed.
Q: What causes the flow rate to drift during operation after it has been set?
A: First, check if the locking nut is loose; if so, tighten it. If the locking nut is secure, the issue may be due to the aging or wear of the flow adjustment rod's seal.
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