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NEEDLE VALVES

Brand:
MHA-ZENTGRAF
MHA-Zentgraf
Picture
HSME
Picture
RFS

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:
Size Range
  • 1/4" to 1"
Design
  • Bonnet Needle Valve Design
Material
  • Steel
Working Pressure
  • 350 BAR
Connections
  • BSPP
  • NPT
Applicable Medium
  • Water, General Oil
Vertical Divider
Features for 6,000 PSI SS316 Needle Valve:
Size Range
  • 1/4" to 1"
Design
  • Bar Stock Needle Valve Design
Material
  • SS316
Working Pressure
  • 6000 PSI
​Connections
  • ​BSPP
  • NPT
​Applicable Medium
  • Water, General Oil, Gas
Vertical Divider
Features for 10,000 PSI SS316 Needle Valve:
​Size Range
  • ​​1/4" to 1/2"
​Design
  • Bar Stock Needle Valve Design
Material
  • SS316
​Working Pressure
  • 10000 PSI
​​Connections
  • NPT
​Applicable Medium
  • ​Water, General Oil, Gas
CATALOGUE
  • ​Steel 350 BAR Needle Valves
  • ​SS316 10,000 PSI Needle Valves
  • SS316 6000 PSI FxF Needle Valves
  • SS316 6000 PSI MxF Needle Valves
LITERATURE
  • Needle Valves

Having difficulties looking for Needle Valves? We can hep you because we have all sizes.
CONTACT US NOW!

Product Information of Needle Valves

​1. 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.
Threaded End SS316 Needle Valve
Threaded End SS316 Needle Valve

​2. 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.

3. 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.

Threaded End Steel MHA Needle Valve
Threaded End Steel MHA Needle Valve
4. 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.

5. 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:
NEEDLE VALVES (DIN) SS316 BSP FEMALE THREADED:
IMPA CODE
DETAILS
756202
​1/4" BSP SS316 NEEDLE VALVE (420 BAR)
756203
3/8" BSP SS316 NEEDLE VALVE (420 BAR)
756204
1/2" BSP SS316 NEEDLE VALVE (420 BAR)
756205
3/4" BSP SS316 NEEDLE VALVE (420 BAR)
756206
1" BSP SS316 NEEDLE VALVE (420 BAR)
NEEDLE VALVES (DIN) SS316 NPT FEMALE THREADED:
​(Econosto Model No.: 1226S)
IMPA CODE
DETAILS
756241
1/4" NPT SS316 NEEDLE VALVE (420 BAR)
756242
3/8" NPT SS316 NEEDLE VALVE (420 BAR)
756243
1/2" NPT SS316 NEEDLE VALVE (420 BAR)
756244
​3/4" NPT SS316 NEEDLE VALVE (420 BAR)
756245
1" NPT SS316 NEEDLE VALVE (420 BAR)

Product Catalogue in PDF:
Steel 350 Bar Needle Valves Catalogue
​Steel 350 BAR
Needle Valves
SS316 6000 PSI Needle Valves Catalogue
​SS316 10,000 PSI
Needle Valves
Picture
SS316 6,000 PSI
​FxF Needle Valves
Picture
SS316 6,000 PSI
​MxF Needle Valves
Product Literature in PDF:
Needle Valves Literature
Needle Valves

​​To go back to High Pressure Valves page
High Pressure Valves

FAQ Of Needle Valves

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.
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.
​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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