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Needle Valves
Achieve accurate, fine-tuned flow control with our durable needle valves. Designed with a tapered needle-shaped stem, these valves allow for precise regulation of liquid and gas flow, making them ideal for applications that require accuracy and reliability. Our selection includes straight and angle-pattern needle valves, available in a wide range of sizes, pressure ratings, and materials to fit your specific needs. Commonly used in hydraulic systems, pneumatic equipment, chemical processing, oil and gas, and laboratory applications, needle valves provide smooth, leak-free performance even in demanding conditions. With rugged construction, easy adjustability, and trusted-brand reliability, our needle valves deliver long service life, dependable accuracy, and safe operation across industrial and commercial systems.
Filters 185 Results
185 RESULTS
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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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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About NISCO Inc.
NISCO offers a wide range of pressure gauges & instruments, diaphragm seals, thermometers, valves, and flow control products to the industrial and commercial marketplaces, as well as other resellers like ourselves. We can also provide other value-added services such as gauge repair, NIST traceable calibration, diaphragm seal assembly, and valve automation. NISCO takes pride in providing extensive product knowledge, helpful customer service, and market competitive pricing to help fit whatever need you may have because it is our goal to be regarded by our customers as the best supplier of pressure, temperature, and flow control products.