Straub® Grip L Coupling | Axially Restrained Metal Pipe Joints

Straub® Grip L – 21.3–609 mm

Straub Grip L coupling

Axially restrained coupling with patented toothed anchoring ring. Designed to join plain-end pipes while providing pull-out resistance above rated working pressure.

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  • Working pressure
    16–64 bar (1,600–6,400 kPa)
  • Temperature
    −20 °C to +100 °C
  • Materials
    316L/316Ti stainless steel housing; AISI 301 hardened rings
  • Pull-out resistance
    Exceeds working pressure rating

Overview

The Straub Grip L is a self-anchoring coupling designed for restrained joints on metal pipelines. Its patented toothed anchoring system maintains electrical bonding continuity across the joint, while offering high resistance against axial forces. A reliable choice for industrial and marine projects requiring superior holding strength.

Technical specifications

Size range 21.3–609 mm
Working pressure 16–64 bar (1,600–6,400 kPa)
Temperature range −20 °C to +100 °C
Housing 316L / 316Ti stainless steel
Anchoring rings AISI 301 hardened stainless steel
Electrical continuity Maintained across joint
Standards DIN 86128, ASTM 1476
Warranty 5 years

Restrained: suitable for metal pipes only. Teeth may mark softer pipe materials. Not recommended for plastic or thin-wall pipes.

Applications

  • Shipbuilding & marine
  • Oil & gas pipelines
  • Water treatment
  • Industrial process lines
  • Fire protection systems
  • Metal pipe repairs

Request a quote

Contact us for pricing and availability on Straub Grip L couplings in Australia.

Request a quote Email sales@dewaterproducts.com.au