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Description
Stud hole insert for 4" 300 Class flanges, manufactured from blue LDPE to protect bolt holes and flange faces during storage, transit and maintenance.
This insert features four ribs that locate into the stud holes around a flange, covering the raised face to shield gasket sealing surfaces from contamination, moisture, paint and oils. Lightweight, quick to fit and cost-effective, it is widely used in oil and gas refining and hydraulic systems where protecting expensive flange equipment is essential.
Key Features
- Four ribs engage stud holes for secure, tool-free installation
- Protects flange face, bolt holes and gasket sealing surface
- Resists moisture, dirt, paint and most mineral oils
- Manufactured from durable LDPE plastic
- Suitable for storage, transit, production and maintenance protection
Specifications
- Material: LDPE
- Colour: Blue
- Nominal Diameter: 4"
- Pressure Class: 300
Applications
- Oil and gas refining plant flanges
- Hydraulic system pipe flanges
- Flange protection during production and assembly
- Storage and transit protection for piping equipment
- Maintenance operations on flanged pipework
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