Needle Valves
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Description:
Needle valves are valves that used to regulate or control fluids flow in hydraulic system. They are also well known as flow control valve or pressure reducing valve. The available material for needle valves are in steel or stainless steel. Needle valves are able to withstand up to 10,000 PSI working pressure, subject to the working temperature. If the working temperature is higher, the lower working pressure that needle valve can withstand. The available connection for needle valve is threaded end which is NPT (National Pipe Thread) or BSPP (British Standard Pipe Parallel). Features for 350 Bar Steel Needle Valve:
Features for 6,000 PSI SS316 Needle Valve:
Features for 10,000 PSI SS316 Needle Valve:
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Needle Valves Product Information
Threaded End SS316 Needle Valve
Specifications:
Needle valves are valves that used for fluid flow regulation in a hydraulic system. The needle-shaped plunger inside ensures the precise control of the fluids flow. The plunger will retract when the handle is turned on, which will give way for the fluids to flow in between the seat and plunger. A few turns must be made to the handle, to retract the plunger, to ensure precise flow regulation.
Needle valves are used in industries that required precise control or metering of fluids such as oil, water, and gas. However, needles valve are not suitable for normal shutoff applications.
Material:
Commonly used materials for needle valves are Steel and Stainless Steel SS316. Stainless steel needle valves are used for corrosive handling, sampling systems and chemical processing applications, to name a few. While, steel material needle valves are commonly used in oil and gas, refineries, chemical, and water and wastewater industries.
Needle valves are valves that used for fluid flow regulation in a hydraulic system. The needle-shaped plunger inside ensures the precise control of the fluids flow. The plunger will retract when the handle is turned on, which will give way for the fluids to flow in between the seat and plunger. A few turns must be made to the handle, to retract the plunger, to ensure precise flow regulation.
Needle valves are used in industries that required precise control or metering of fluids such as oil, water, and gas. However, needles valve are not suitable for normal shutoff applications.
Material:
Commonly used materials for needle valves are Steel and Stainless Steel SS316. Stainless steel needle valves are used for corrosive handling, sampling systems and chemical processing applications, to name a few. While, steel material needle valves are commonly used in oil and gas, refineries, chemical, and water and wastewater industries.
Threaded End Steel MHA Needle Valve
Size Range & Pressure Rating:
Needle valve sizes are range from 1/8" to 1" and working pressure are available in 350 Bars, 6000 PSI, and 10,000 PSI. It is good to note that the working pressure may vary depending on the temperature, as higher temperature results in lower working pressure.
Connection Type:
There are 2 available connections for needle valves namely NPT (National Pipe Thread) and BSPP (British Standard Pipe Parallel), and it comes in two variations, which is the Bar Stock Needle Valve design and Bonnet Needle Valve design.
For more information, please refer to en.wikipedia.org/wiki/Needle_valve.
Needle valve sizes are range from 1/8" to 1" and working pressure are available in 350 Bars, 6000 PSI, and 10,000 PSI. It is good to note that the working pressure may vary depending on the temperature, as higher temperature results in lower working pressure.
Connection Type:
There are 2 available connections for needle valves namely NPT (National Pipe Thread) and BSPP (British Standard Pipe Parallel), and it comes in two variations, which is the Bar Stock Needle Valve design and Bonnet Needle Valve design.
For more information, please refer to en.wikipedia.org/wiki/Needle_valve.
Impa Code for Needle Valves
Needle Valves can be found in the IMPA Marine Stores Guide, which is the world’s leading reference guide for maritime purchasing and supply.
For details on the reference codes of needle valves, please kindly see below:
For details on the reference codes of needle valves, please kindly see below:
NEEDLE VALVES (DIN) SS316 BSP FEMALE THREADED:
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NEEDLE VALVES (DIN) SS316 NPT FEMALE THREADED: (Econosto Model No.: 1226S)
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FREQUENTLY ASKED QUESTIONS
What is the size range of needle valves?
The size range of needle valves is from 1/4 inches to 1 inches.
What are the differences between stainless steel and carbon steel needle valves?
Stainless steel needle valves are applied in sampling systems application, , corrosive handling. and chemical processing.
Needle valves with carbon steel material are utilized in refineries, gas, oil, water, chemical, waste water industries.
Needle valves with carbon steel material are utilized in refineries, gas, oil, water, chemical, waste water industries.
What is the working pressure for needle valves?
The working pressures of needle valve are from 5,000 to 10,000 psi, subjected to the temperature.
What is the function of needle valves?
Needle valves control how much fluid passes through the valve precisely.
What are the advantages of applying needle valves?
Several advantages of applying needle valves as bellow:
1) Adaptability. Users can adjust the flow from low to maximum for system setting.
2) Precision. When the needle is moved to certain minute degrees, users may control the flow in exact measurements.
3) Effectiveness and efficiency. As the flow are often controlled accurately, users are able to attain an unprecedented level of
effectiveness and efficiency.
4) Safety. It would increase safety level as there is less chance of leakage, breakage or over use due to precision
application.
1) Adaptability. Users can adjust the flow from low to maximum for system setting.
2) Precision. When the needle is moved to certain minute degrees, users may control the flow in exact measurements.
3) Effectiveness and efficiency. As the flow are often controlled accurately, users are able to attain an unprecedented level of
effectiveness and efficiency.
4) Safety. It would increase safety level as there is less chance of leakage, breakage or over use due to precision
application.
Is temperature positively affects the working pressure?
No, it is an inverse relationship between temperature and working pressure. High temperature reduces working pressure, meanwhile, lower temperature increases working pressure.
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