1" Class 300/600 Flange Stud Hole Insert - Blue LDPE

Stud hole insert for 1" 300/600 class flanges, protecting bolt holes and gasket faces with four retaining ribs.

This insert plugs the four stud holes of a 1" 300/600 class flange, shielding the bolt holes and surrounding flange face from moisture, dirt, paint and oils during production, transportation, storage and maintenance. Moulded from LDPE plastic, it offers a quick, cost-effective alternative to full-face protectors and is widely used in oil and gas refining and hydraulic applications.

Key Features

• Four ribbed lugs engage the stud bolt holes for secure, tool-free fitting
• Protects flange faces, bolt holes and sealing surfaces from contamination
• LDPE material resists moisture, dirt, paint and mineral oils
• Low-cost, reusable protection during storage and transit
• Fast installation and removal without specialist tools

Specifications

• Nominal size: 1" (ANSI)
• Pressure class: 300/600
• Material: LDPE
• Colour: Blue
• Configuration: Stud hole insert with four retaining ribs

Applications

• Oil and gas refining pipework and equipment
• Hydraulic system flanges in production and storage
• Flange protection during maintenance and commissioning
• Transit protection for shipped flanged assemblies
• Temporary sealing of bolt holes on inactive flanges