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Blog posts : "high pressure needle valves"

Needle Valves- How Are They Different From Flow Control

Needle valves are manufactures in India that have a narrow and tapering point at the end of the valve stem. This is the stem of the valve, which is lowered to block or restrict the flow.

The needle valve stem's delicate threading design, along with its huge seat area, ensures accurate resistance. These valves are used to control and check the flow of liquids and gases into the system's delicate gauges, which are vulnerable to harm if exposed to high pressure.

These valves are also seen in industrial machinery when the flow must be brought to a complete stop. They're also used in situations when a precise flow modification is required, or where a modest, regulated flow is required. These valves are versatile enough to be used as both on and off valves, as well as in a throttling system.

Difference between Needle Valves and Flow Control

Flow Controls and Needle Valves are used to slow actuator speed by reducing the rate of flow in a pneumatic circuit leg. Although both have the same basic function of flow restriction, the Needle Valve regulates flow in both directions (bi-directional) whereas the Flow Control Valve only regulates flow in one way (enabling free flow in the different direction).

A precisely threaded stem allows gradual adjustment of the amount of controlled flow passing through the valve in both the Flow Control and the Needle Valve. Flow enters the input port, passes through a tapered stem-sized aperture, and exits the output port. The Flow Control has a F2F by-pass check, which allows for rapid unrestricted flow from the valve.

There are two sorts of Flow Controls to consider, and their selection and location within a pneumatic circuit have a significant impact on an actuator's performance.

The flow to an actuator is restricted by a Meter-In Flow Control (also known as a Reverse Flow Control).

A Meter-Out valve, which regulates the exhaust flow from an actuator, is the most often utilized Flow Control.

It's critical to understand your flow rate requirements before choosing a Needle Valve or Flow Control for your pneumatic system. The related actuator's speed is determined by how rapidly it can be filled with air at the intake and expelled at the output.

Conclusion

Needle valves are used to ensure that the fluid travels through the valve and spins 90 degrees before passing through the seat orifice. A rod with a cone-shaped tip is included with this seat. The valves are used to control the flow of liquids and gases at low flow rates.

Isolation Needle Valves, High-Pressure Needle Valves Manufacturers in India, High-Temperature Needle Valve, SS Needle Valves, Duplex Steel Needle Valves, Carbon Steel Needle Valves, Double Ferrule Needle Valves, NPT Threaded Needle Valves, Double Bonnet Needle Valves, 10000PSI Needle Valves, 6000PSI Needle Valves, Needle Valve Exporter, and Manufacturer in Mumbai, India.

 

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Functions and Uses of Needle Valves

             

Needle Valves plays an important role in regulating the amount of substance by flow, pressure
and direction. These valves have the ability to shut off the flow entirely. These valves resemble 
globe valves, except they Needle Valves have a point rather than a disc at the end of the valve
stems. 

Needle Valves are specially designed to control the flow of liquid or gas so that the flow can be 
decreased gradually and ultimately  shut off completely. Needle valves have a smaller seating 
surface hence are suitable for throttle control. Needle Valves are used to control flow into delicate 
gauges, which might be damaged by sudden surges of fluid under pressure. Since the orifice is small
and the force advantage of the fine-threaded stem is high, needle valves are usually easy to shut
off completely with merely 'finger tight' pressure. 

Tech Tubes & Fittings is a leading Needle Valve exporter to countries all around the globe. 
We reputation is defined as a quality Needle Valve exporter.  

Common Types of Needle Valves used in industries : 
 

  • Stainless Steel 304 Needle Valves 
  • Stainless Steel 304L Needle Valves 
  • Stainless Steel 316 Needle Valves 
  • Stainless Steel 316L Needle Valves 
  • Brass Needle Valves 
  • High Pressure Needle Valves 
  • 10000 Psi High Pressure Needle Valves 
  • 6000 Psi Needle Valves 
  • 3000 Psi Needle Valves 
  • NPT Threaded Female Needle Valves 
  • Ferrule End Needle Valves
  • Needle Valve Exporter 

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For More Details on  Functions and Uses of Needle Valves contact us on sales1@techtubes.in

***Monel, Hastelloy, Inconel, Incoloy, SMO254, Nitronic, AL6XN, Stellite, Sanicro, Tantalum, Nimonic , Alloy A286, Invar, Cupronickel etc., are the trademarks of their respective companies.
 

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