METALOK INDUSTRIES

WELD HEX NIPPLE (REF. 5316)

WELD HEX NIPPLE (REF. 5316)

The Weld Hex Nipple (Ref. 5316) is a precision-machined fitting designed for secure butt weld or socket weld connections in high-pressure piping systems. Featuring a hexagonal section for easy wrench tightening, this nipple connects two female-threaded or welded components and is commonly used in process, instrumentation, and hydraulic systems. Its rugged design ensures reliable performance in critical applications involving high temperature, pressure, or corrosive media. Offered in a size range from 1/8” to 2” and 3mm to 50mm, the Weld Hex Nipple is available in premium materials such as Stainless Steel, Brass, Duplex, Monel, and Hastelloy to suit a wide range of industrial environments. It is threaded or beveled to allow direct welding or threaded connections per customer specifications and is compliant with international piping standards.

  • Reference Code: 5316
  • Size range: 1/8” to 2” (Imperial), 3mm to 50mm (Metric)
  • Hex body design for easy wrench installation
  • Connection types: Welded ends (butt weld or socket weld) and threaded options available
  • Thread standards: NPT, ISO 7/1 Tapered, ISO 228/1 Parallel (as required)
  • Available in Stainless Steel, Brass, Duplex, Monel, Hastelloy, and more
  • Precision machining ensures dimensional accuracy and leak-tight joints
  • Complies with international piping and pressure equipment standards
  • Allows reliable welded or threaded connections in high-pressure systems
  • Hex design provides ease of handling during installation and tightening
  • Suitable for corrosive, high-temperature, or high-vibration environments
  • Long-lasting performance reduces maintenance and downtime
  • Versatile for use in oil & gas, petrochemical, marine, and industrial applications
  • Custom lengths and configurations available upon request
Part NumberT
(NPT)
L
(mm)
∅ D
(mm)
H
(Inch)
4N-PWHN-4BW1/4″33.36.79/16
6N-PWHN-6BW3/8″33.39.911/16
8N-PWHN-8BW1/2″39.712.07/8
12N-PWHN-12BW3/4″39.717.51.1/16
16N-PWHN-16BW1″46.023.81.3/8
20N-PWHN-20BW1.1/4″52.332.01.3/4
24N-PWHN-24BW1.1/2″52.338.52
32N-PWHN-32BW2″57.050.02.1/2

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