Needle Valves “NV” Series

Needle Valves Series Product

The SigmaHLR “NV” Series of Single Isolating Needle Valves have been specifically designed to provide exceptional product performance, durability and safety under extreme onshore and offshore applications. Self-aligning spindle tip provides bubble tight shut off and precision adjustable gland packing offers longevity of in service life and a serviceable product.

Manufactured in 316L stainless steel as standard and conforming
to NACE MR-01-75 specification.

For more details or to purchase this product:

Download PDF

Key Features

  • Bonnet lock pin prevent accidental loosening.
  • Hardened ball seat specifically designed to be suitable for gas & fluid applications.
  • Fully adjustable stem packing is located below the stem threads for extend packing life, superior sealing and ease of maintenance.
  • Male, Female or any combination of process port connections available.
  • Complying to ‘NACE MR-01-75’ specification as standard.

Standard Specification

  • Pressure: up to 10,000 psi / 690 bar
  • Temperature: Maximum 230 Deg C
  • Thread Type: NPT
  • Seat & Tip Material: Metal to Metal
  • Bore size: 5mm
  • Handle T Bar Type

General / Options

  • Size: 1/8” through to 2”
  • Bore Sizes: 5mm & 10mm orifice options
  • Process Connections: Female x Female, Male x Female & Male x Male available.
  • NPT, BSPP, BSPT, Socket Weld, Butt Weld and Flanged versions available.
  • Compression & OD Tube end connections available.
  • Handle Types: T bar or Anti-Tamper T Bar Option.
  • Gland Packing options: PTFE or Graphite.
  • Hexagonal bodied versions available.

Contact our Sales Team at