3/4" Class 150 Flange Stud Hole Insert - Black LDPE

Stud hole insert cap for 3/4" 150 Class flanges, moulded from high-density polyethylene to shield the flange face and bolt holes.

This flange protector features four ribs that push into the stud holes around the flange perimeter, holding the cap securely in place without requiring tools or fittings into the bore. Manufactured from LDPE plastic, it provides durable protection against moisture, dirt, paint and most oils during production, transportation, storage and maintenance work.

Key Features

• Four integral ribs lock into flange stud holes for secure, tool-free installation
• High-density polyethylene (LDPE) construction resists moisture, dirt and most oils
• Designed for 3/4" nominal diameter, 150 Class pressure-rated flanges
• Cost-effective alternative to full-face bore-fitting protectors
• Quick to fit and remove without special equipment

Specifications

• Nominal pipe size: 3/4"
• Flange pressure class: 150
• Material: LDPE plastic
• Colour: Black
• Fixing method: Stud hole ribs (no tools required)

Applications

• Oil and gas refining plant and terminal operations
• Hydraulic system assembly and maintenance
• Flange protection during production and transportation
• Storage protection for costly flange equipment
• Maintenance workflows where frequent flange access is required