DAIKIN INDUSTRIES JF-G03-105-16 Flow control valve (Rc3/8, 21MPa, 0.08～105L/min)
| Manufaturer: | DAIKIN INDUSTRIES |
| Model: | JF-G03-105-16 |
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Description
- Type: without check valve
- Nominal diameter: 3/8
- Mounting type: Gasket
- Flow rate adjustment range (L/min): 0.08 to 105
- Maximum working pressure: 21MPa
- Country of Origin: Japan
- Code number: 410-6741
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Frequently Asked Questions: DAIKIN JF-G03-105-16 Flow Control Valve:
1/ What is the JF-G03-105-16 flow control valve used for?
This valve precisely regulates hydraulic fluid flow in industrial and mobile systems. It maintains a set flow rate regardless of variations in load pressure or oil temperature.
2/ What are the main specifications?
- Maximum operating pressure: 21MPa
- Flow adjustment range: 0.08 - 105 L/min
- Connection type: Gasket mount (G)
- Nominal size: Rc 3/8″
3/ Does it include a built-in check valve?
No. The standard JF-G03-105-16 does not have a check valve. For a version with check valve functionality, use model JFC-G03-105-17.
4/ How does the flow adjustment mechanism work?
A hand knob rotates four full turns from minimum to maximum, allowing for fine tuning. The internal pressure/ temperature compensation spool then holds the set flow rate steady even if supply pressure or fluid temperature shifts.
5/ Is the valve pressure- and temperature-compensated?
Yes. It features integrated compensation that keeps the output flow constant over changes in load pressure (up to 21 MPa) and fluid temperature (-20°C to +70°C).
6/ What fluids and temperatures are supported?
- Compatible fluids: mineral-based hydraulic oils, water - glycol fluids, and (with “F” designation) phosphate - ester fluids
- Ambient/fluid temperature range: -20°C to +70°C
7/ How should I install and connect the valve?
- Mount the valve on the correct Daikin sub-plate to ensure proper sealing.
- Use a gasket between valve and sub-plate.
- Torque bolt connections to the specified range (48 - 63 Nm).
- Ensure piping upstream has a filter rated at 10µm or finer when controlling flows below 0.5 L/min.
8/ What operating precautions should I follow?
- Always install a high-efficiency line filter (<=10µm) if you need stable low-flow control.
- Keep the adjustment area free of debris to prevent knob “jumping.”
- Avoid rapid, large swings in flow setting to reduce pressure spikes.
9/ What are typical applications?
- Industrial hydraulic systems (presses, machine tools)
- Mobile equipment (excavators, loaders)
- Marine and vehicle hydraulics (winches, steering units)
