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Needle Valve


What are Needle valves, and how does it differ from other valves?

Needle valves are flow control devices used to control fluid flow with great precision. The needle valve is designed with a thin, pointed, tapered plunger that fits into a similarly shaped seat containing a small hole through which the fluid flows. The main difference between Needle valves and other types of valves is their ability to control the rate of flow of fluids passing through them. The tapering plunger allows for slow adjustments, making it suitable for applications requiring precise control over rates of fluid flow. While conventional ball and gate valves on offer have just two states – open or shut – these needle valves' incremental nature allows operators to make accurate changes in the amount of fluid passing through them. This ability makes needle valves to be employed across a wide variety of sectors including oil and gas, pharmaceuticals, chemical processing as well as instrumentation systems because they are versatile enough to handle different levels of liquid pressures.

Needle Valve Function, Hydraulic Needle Valve, Needle Valve Advantages and Disadvantages, Float Needle Valve, Needle Valve Supplier In Mumbai, India.

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Needle Valves

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What are some typical uses or industries in which needle valves are found?

Needle valves have extensive applications across various industries due to their accurate flow control. In industrial processes like oil and gas production and refining, they are used so frequently as it is necessary for efficient operations and safety that fluids are made to run through them at precise rates. In the pharmaceutical industry, needle valves are found in drug manufacturing and research laboratories where exact dosing and control are crucial for ensuring product quality and consistency.

Chemical processing plants rely heavily on Needle Valves in managing chemical substances as well as acids plus solvents among others. Further still, needle valves find significant use in instrumentation systems such as flow meters and pressure gauges which allow the technicians or rather engineers to adjust measurements accurately hence optimizing equipment performance. Aerospace industries dealing with fuel and hydraulic systems consider needle valves because they can be used so many times because of their versatility and accuracy. Similarly, they also exist in science labs, medical equipment factories, and even home appliances.

Needle Valve Specification

Design Standards ASME B16.34
BS 7174 P4
Size 1/4" & 1/2"
End Ports NPT, BSPT, socket weld
Max. Std. Pressure 6000 Psi (413 Bar)
Temperature Rating PTFE 450° F (232° C) & Grafoil 700° F (371° C)
Stem Packing PTFE, Grafoil
Standard Seat 04mm
Application & uses Water and Air Service Applications
De-mineralized Water Systems
Corrosive Applications
Radwaste Systems in Nuclear Facilities
Vacuum Service
Food Processing, Pharmaceutical and Brewing Systems

Needle Valve Stock Availability

Stainless Steel Needle Valve

Stainless Steel Needle Valve

Given its construction from steel and high level of corrosion resistance, stainless steel valves are very durable. Temperatures both very high and very low are no match for steel valves. Brass or plastic valves frequently only have a narrower temperature range rating than steel valves do.

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Carbon Steel Needle Valve

Carbon Steel Needle Valve

Because of its exceptional resistance to the corrosive tendencies of water and other liquids, carbon steel valves are used in hydraulic-based applications. It has exceptional mechanical properties, a long lifespan, and a high carbon content that strengthens the valve mechanism.

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Cast Iron Needle Valve

Cast Iron Needle Valve

Cast iron valves are frequently used in water and sewer systems, plumbing, and air conditioning in buildings, as well as utility systems in a variety of industrial sites.

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Alloy Steel Needle Valve

Alloy Steel Needle Valve

Valves manufactured of alloy steel that satisfies or exceeds national and international standards. One of an alloy steel valve's most important properties are its three continuous flow actions.

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Needle Valve Component Name

Needle Valve Component Name

Needle Valve Ready Stock

  • Screw-in Needle Valve
  • Miniature Needle Valve
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  • Adjustable Needle Valve
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  • Hydraulic Needle Valve
  • Needle Valves For Isolation
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Needle Valves Applications and Uses

  • Distillery Plants
  • Sugar Industries
  • Process Industries
  • Power Plants
  • Refineries
  • Petrochemical Plants
Distillery Plants

Needle Valves in Distillery Plants

Sugar Industries

Needle Valves in Sugar Industries

Process Industries

Needle Valve in Process Industries

Power Plants

Needle Valve in Power Plants


Needle Valve in Refineries

Petrochemical Plants

Needle Valve in Petrochemical Plants

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