Note: This needle valve cannot be used for drinking water.
High-quality stainless needle valve with 1/4 inch thread, a diameter of 4mm, connection thread size of DN8, 2-way, the housing is made of stainless steel 304ss/ 316ss. The max. pressure is 6000 psi and the temperature range is from -20 to max. 180 °C.
Specification
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Model: CCHN-NV-DN8
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Size: 1/4 inch
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Connection thread size: DN8
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Needle valve diameter: 4mm
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Nominal pressure: 41 MPa/ 40MPa
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Material: 304 stainless steel: G1/4"/ 1/4"NPT, 316 stainless steel: G1/4"
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Working pressure: ≤420 bar
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Working temperature: -20~180℃
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Installation method: Screw connection
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Medium: Gas, liquid
Features
- Smooth and accurate flow control
- With a very compact design and reliable leak tight shut off
- High pressures up to 6000 psi
- Wide temperature range from -20 up to 180°C.
- Suited for aggressive fluids thanks to the 304 stainless steel
Dimension

| Model |
A |
B |
C |
D |
| CCHN-NV-DN8 |
57mm |
92mm |
27mm |
4mm |
Stainless Steel Needle Valve Application

Tips: What are the advantages of the needle valve?
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Flexibility: The very simplest of valves only offers two options. Either the flow is open, or it is closed. Needle valves are entirely different in this regard, as they allow you to choose an entire range of midway options. You might set the flow so that it’s very low, but still moving, or almost at the maximum, but not quite. This allows for extreme adaptability. Whatever situation you encounter, you’re likely to be able to adjust the valve to meet it.
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Precision: With a needle valve, precision is always going to be the number one watchword. This is the headline feature that typically leads people to choose this valve over another. Because the needle can be shifted to such small degrees, users can regulate the flow in exact measurements. This makes the needle valve an excellent choice for settings where exact numbers and measurements are critical.
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Increased efficiency: Because the flow can be controlled so precisely, users can achieve an unprecedented level of efficiency. Rather than allowing far greater flow than necessary and wasting fuel or gas, users can use only the exact amount needed, saving money and energy at the same time.
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High safety levels: As a natural side-effect of the precision and adaptability of these valves, these are some of the safest valves on the market today. Nothing flows through unless it’s meant to, meaning there is far less chance of leakage, breakage, or damage which could lead to dangerous situations.