Straub® Metal Grip Coupling | High-Pressure Axial Restraint

Straub® Metal Grip – 26.9–406 mm

Straub Metal Grip coupling

High-strength axially restrained coupling with hardened steel teeth for maximum grip on metal pipes. Built for critical, high-pressure applications.

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  • Working pressure
    8–67 bar (800–6,700 kPa)
  • Temperature
    −30 °C to +100 °C
  • Materials
    316L stainless steel housing; AISI 301 hardened teeth
  • Restraint
    Ultimate axial resistance for metal pipes

Overview

The Straub Metal Grip series provides the highest pull-out resistance of any Straub coupling. Its hardened anchoring teeth bite into steel pipe walls, creating a secure, high-pressure connection while maintaining electrical continuity. Designed for demanding applications where failure is not an option.

Technical specifications

Size range 26.9–406 mm
Working pressure 8–67 bar (800–6,700 kPa)
Temperature range −30 °C to +100 °C
Housing 316L stainless steel
Anchoring system AISI 301 hardened steel teeth
Restraint Ultimate axial resistance (metal pipes only)
Electrical continuity Maintained across joint
Standards DIN 86128, ASTM 1476
Design life 25+ years

Not suitable for plastics or thin-wall pipe. Higher cost compared to standard couplings, but unmatched reliability in high-pressure service.

Applications

  • High-pressure pipeline systems
  • Critical infrastructure
  • Offshore platforms
  • Power generation
  • Petrochemical facilities
  • Military and defence projects
  • Heavy industry

Request a quote

Contact us for current pricing and availability of Straub Metal Grip couplings.

Request a quote Email sales@dewaterproducts.com.au