Needle Valves

Flowlink Valves & Controls offers the N/UN Series Needle Valves, designed for precision control in high-pressure and high-temperature environments. These valves feature a single isolation hand valve with a robust metal-to-metal seat and a body-to-bonnet connection, ensuring superior, bubble-tight sealing. The non-rotating hardened tip enhances durability and extends service life. Optional features include a fire-safe design, unidirectional flow, servicing kits, severe temperature rating, and compliance with NACE and PSV8 standards, making them suitable for critical industrial applications.

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Technical Specifications

Specifications & Ratings

The unique anti-vibration cam locking device at the body bonnet connection is for extra safety. Working pressures are 6,000 psi and 10,000 psi.

Valve Types

Single Isolate

Pressure Rating

6000 – 10,000 psi

Temperature Rating

-40°C up to 230°C

Bore Size

4mm – 8mm

Connection Size

1/4″ – 1″

Inlets & Outlets

  • NPT
  • BSPP
  • BSPT
  • Compression Ended (Single & Twin Ferrule)
  • Butt Weld
  • Socket Weld

Handles

  • T Bar
  • Handwheel
  • Lockable

Material Construction

  • Stainless Steel 316
  • Monel
  • Duplex
  • Super Duplex
  • 6Mo
  • Titanium
  • Hastalloy
  • Zirconium
  • Inconel
  • Incoloy
  • Carbon Steel
  • Ali Bronze
  • Brass
  • Other Materials can be made available upon request

Trim Material

  • Options available upon request.

Material Traceability

Yes

Testing Standards

API 598

Design Specifications

MSS SP 99 and others.

Fire Safe Standards

ISO 10497

Relevant Approvals

Customer specifications can be adhered

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We offer Engineering support and a complete suite of Engineered products for all your plant and flow control applications.

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