Needle Valves
Needle valves are essential for controlling fluid flow with high precision in industrial and commercial applications. These valves feature a small, tapered stem that allows for fine adjustments, making them ideal for systems that require accurate flow regulation. Commonly used in industries such as chemical processing, oil and gas, water treatment, and instrumentation, needle valves help maintain efficiency and process stability.
Types of Needle Valves
Centro offers a variety of needle valves designed to meet different application requirements, including:
- Standard needle valves for general-purpose flow control in low- to medium-pressure systems.
- High-pressure needle valves built for demanding applications with extreme pressure conditions.
- Instrumentation needle valves for precise flow adjustments in analytical and laboratory settings.
Choosing the Right Needle Valve
Selecting the appropriate needle valve depends on factors such as system pressure, temperature, fluid type, and required flow control precision. Consider whether the valve needs to handle gases or liquids, as well as the level of adjustability required for your application.
Browse our selection of needle valves online or contact our team for expert assistance in choosing the right solution for your system.
Filter
Filter
191 items
content loaded
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$401.92$740.09
In Stock (8)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$148.57$273.56
In Stock (47)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$463.16$852.87
In Stock (20)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$170.96$314.81
In Stock (12)Ships within 1 business day
1" needle valve, female x female.
$160.15
Should ship between 15 Nov and 29 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$442.11$814.11
In Stock (15)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$163.48$301.02
In Stock (26)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$509.54$938.28
In Stock (11)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$188.03$346.22
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$442.11$814.11
In Stock (26)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$163.48$301.02
In Stock (11)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$509.54$938.28
In Stock (13)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$188.03$346.22
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Bolt to the process of flange-flange manifold to allow connection of process flange taps or process root valvesAllow flanges to be connected to threaded process piping while maintaining the ease of removal or repair of the manifold if maintenance is requiredProvided a 1/16" offset connection from the bolt holes to give connection centers of 2", 2-1/8" or 2-1/4"
$244.81$315.55
In Stock (16)Ships within 1 business day
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open position
$144.35$265.79
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$115.42$212.52
In Stock (10)Ships within 1 business day
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
$134.00$246.72
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaningBlow-out proof stem provides a secondary stem seal in the full open position
$118.27$217.77
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$153.27$282.24
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$57.52$105.89
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
$67.78$124.80
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaningBlow-out proof stem provides a secondary stem seal in the full open position
$48.19$88.72
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Multiport design reduces the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak pathsOptional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
$215.20$396.25
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Multiport design reduces the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak pathsOptional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
$215.20$396.25
Available for Purchase
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$401.92$740.09
In Stock (8)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$148.57$273.56
In Stock (47)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$463.16$852.87
In Stock (20)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$170.96$314.81
In Stock (12)Ships within 1 business day
1" needle valve, female x female.
$160.15
Should ship between 15 Nov and 29 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$442.11$814.11
In Stock (15)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$163.48$301.02
In Stock (26)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$509.54$938.28
In Stock (11)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$188.03$346.22
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$442.11$814.11
In Stock (26)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$163.48$301.02
In Stock (11)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$509.54$938.28
In Stock (13)Ships within 1 business day
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$188.03$346.22
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Bolt to the process of flange-flange manifold to allow connection of process flange taps or process root valvesAllow flanges to be connected to threaded process piping while maintaining the ease of removal or repair of the manifold if maintenance is requiredProvided a 1/16" offset connection from the bolt holes to give connection centers of 2", 2-1/8" or 2-1/4"
$244.81$315.55
In Stock (16)Ships within 1 business day
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open position
$144.35$265.79
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$115.42$212.52
In Stock (10)Ships within 1 business day
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
$134.00$246.72
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaningBlow-out proof stem provides a secondary stem seal in the full open position
$118.27$217.77
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$153.27$282.24
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityBlow-out proof stem provides a secondary stem seal in the full open positionFKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional (certain NPT sizes only)
$57.52$105.89
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
$67.78$124.80
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliabilityReplaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaningBlow-out proof stem provides a secondary stem seal in the full open position
$48.19$88.72
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Multiport design reduces the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak pathsOptional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
$215.20$396.25
Should ship between 01 Nov and 08 Nov
Subject to factory lead times
Multiport design reduces the number of gauge and other instrument connections to permanent piping installations, decreasing possible leak pathsOptional bleed plugs further allow pressure to be bled off without disturbing the permanent piping installation100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
$215.20$396.25
Available for Purchase
Subject to factory lead times
FAQS
- A needle valve is a precision valve designed to control low flow rates with high accuracy. It uses a long, tapered needle like stem that fits into a small seat to finely regulate flow.
- Turning the valve handle moves the tapered stem in or out of the valve seat. Small adjustments result in precise changes in flow, making needle valves ideal for fine control.
- Needle valves are used for flow regulation in instrumentation, pressure gauges, sampling lines, hydraulic systems, pneumatic systems, and laboratory or process applications.
- Needle valves are commonly made from stainless steel, brass, carbon steel, and specialty alloys. Material selection depends on pressure, temperature, and fluid compatibility.
- Industries include oil and gas, chemical processing, instrumentation, power generation, laboratories, and manufacturing.