Value Collection BDNA-9367 O-ring 27in Id 33in Od Nbr

Product Description

The VALUE COLLECTION BDNA-9367 is a large-diameter Buna-N O-ring designed for static and dynamic sealing applications across industrial, plumbing, and fluid-handling systems. It measures 27 inches inner diameter by 33 inches outer diameter with a 3-inch cross-section thickness. The round cross-section profile seats evenly in standard O-ring grooves, providing reliable compression sealing against fluids, gases, and hydraulic media. The nitrile butadiene rubber (Buna-N) compound offers solid resistance to petroleum-based oils, hydraulic fluids, and water, making it a go-to choice for plumbers, pipefitters, and industrial maintenance technicians working on large-bore equipment.

This O-ring suits large-format sealing applications such as industrial pipe flanges, tank lids, pump housings, and valve bodies where an oversized NBR seal is required. Its Buna-N formulation is appropriate for service environments involving petroleum oils, fuels, water, and many hydraulic fluids at moderate temperatures. Trade professionals in plumbing, industrial maintenance, and fluid-power systems will find it a practical fit for large-bore sealing jobs that demand a standard round cross-section profile.

Key Features

• 27 inch inner diameter and 33 inch outer diameter for large-bore sealing applications
• 3 inch cross-section thickness provides substantial compression in deep O-ring grooves
• Buna-N (nitrile butadiene rubber) material resists petroleum oils, hydraulic fluids, and water
• Round cross-section profile ensures uniform groove seating and consistent seal compression
• Sold individually per package unit

Compatibility

Designed as a standard-profile NBR O-ring replacement for large-bore industrial sealing applications requiring a 27 inch ID by 33 inch OD by 3 inch cross-section dimension.

Installation Notes

Installation should be performed by a licensed plumber, pipefitter, or qualified industrial maintenance technician. Depressurize and fully drain the system before removing or installing any sealing components. Lightly lubricate the O-ring with a compatible fluid or grease to ease seating and prevent tearing during installation. Verify groove dimensions match the O-ring cross-section and diameter before applying system pressure.