Chesterton 770-18.5 Mechanical Pump Shaft Seal STS/C BN STS 2-5/16″2-5/16″ 3″

• Brand: Chesterton
• Seal Type: Mechanical Rotating
• Series: STS/C
• BN: Indicates the material of the seal faces
• Size: 2-5/16″ x 2-5/16″ x 3″
• SE: Indicates the type of seal environment or specific configuration

Here’s a breakdown of the information:

• Brand: Chesterton is the manufacturer of the seal. They are known for producing high-quality sealing solutions for various industrial applications.

• Seal Type: Mechanical Rotating indicates that this is a rotating mechanical seal, which is commonly used in pumps, mixers, and other rotating equipment to prevent leakage of fluids.

• Series: STS/C likely refers to the series or model of the seal. Each series may have different features or specifications tailored to specific applications.

• BN: This could indicate the material of the seal faces. “BN” might stand for “Buna-N,” a common material used for seal faces, known for its resistance to oils, fuels, and other fluids.

• Size: The dimensions of the seal are 2-5/16″ x 2-5/16″ x 3″. This indicates the diameter of the seal faces and the length of the seal.

• SE: This likely indicates the type of seal environment or a specific configuration related to the application. Without further context, it’s challenging to determine the exact meaning of “SE” in this case.