Why Electric Needle Valve is Preferred?

Why Electric Needle Valve is Preferred?

The electronic needle valve is utilized for controlling the flow rate of fluids such as liquids & gasses. The adjustments for it are gradual & smoother to control the flow rate. However, these pressure control valves can also be reliable shut-off valves. Usually, this fluid control valve is used for the low flow rates and high-pressure drop from the inlet to the outgoing. The common port size for the needle valve ranges from 1/8 up to 2. One of the most common applications of this device is controlling gas, such as a propane needle valve.

How Needle Valve Works:

The spindle ends in the tampered needle that is moving into the electric needle valve seat. So that, the valve can be able to prevent fluid flow with it. The in & out motion of the needle of the valve is managed by the spindle that is operated with the hand wheels. The liquids & gasses will turn ninety degrees, which go through the valve and it will pass via the orifice. The placement of the cone can change the size of the orifice of the solenoid valve flow control according to the seat. 

The needle-type plunger is on the screw end, so the plunger will be retracted when the screw is turned, then the fluid flow will be possible between the plunger & the seat. The flow of liquids and gasses will be applied to the plunger until the plunger is retracted. A few properly threaded stems have a slow linear movement, so many are required for the complete flow section, making the electric needle valve suitable for managing the flow. 

What are the Advantages of the Needle valve:

Below listed are the advantages of using the solenoid valve with flow control:

  1. The flow control at a low rate is very accurate
  2. Needle valves are smaller in size
  3. They can be used for throttling purposes
  4. Flow rates can be managed precisely.
  5. Needle valves can be used as bleed valves for hot water heating
  6. These valves can shut off easily

What Are The Applications of Needle Valves:

Below are a few common applications of electric needle valve:

  1. They can be used on gas bleeder lines
  2. These valves can be used for sampling lines & other abrasive services
  3. Fluid power systems
  4. These valves are used for flow metering applications
  5. Needle valves are used in automatic combustion control systems in which accurate flow regulation is needed
  6. Needle valves are used in constant pressure pump governors to reduce the effect of fluctuations in pump discharge pressure.

Different Types of Needle Valves:

The manually operated electronic flow control is one of the common types of the high-pressure flow control valve. However, the additional variants are angle & motorized.

Motorized Needle Valve:
These electronic needle valves are not capable of handling manual operations; instead,  use the electronic or pneumatic actuator for connecting to & turning the plunger. The best part of it is that you don’t need to control it manually as it offers remote control. 

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Angle Needle Valve:

The electronic valve turns the output from the inlet at a 90-degree angle instead of the in-line. The same operation concept applies, but the angle of 90 degrees allows it to better integrate the system. 

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