**Mechanical Seal IN0180.FBC.BVPGG**

The IN0180.FBC.BVPGG is a bellows-type mechanical seal engineered for reliable shaft sealing in a wide range of rotary equipment. This model belongs to the standardized IN1/INFBC series, a comprehensive catalog of mechanical seals designed for interchangeability and consistent performance. Its construction is defined by precise dimensional parameters and a material combination optimized for durability in various fluid services.

**Design and Construction Features**
This seal utilizes a bellows (сильфонное) design, which eliminates the need for a dynamic O-ring, reducing friction and enhancing reliability under conditions of shaft runout and vibration. The primary sealing faces consist of a stationary ceramic ring and a rotating graphite ring, a classic pairing known for excellent wear resistance and self-lubricating properties. The ceramic provides high hardness and corrosion resistance, while the graphite ensures smooth operation and effective heat dissipation. The metal structural components are manufactured from AISI304 stainless steel, offering good general corrosion resistance. The secondary elastomeric seal is made from NBR (Nitrile rubber), suitable for applications involving oils, water, and many common industrial fluids.

**Key Technical Specifications and Dimensions**
Precise adherence to specified mechanical seal dimensions is critical for correct installation and optimal function. The IN0180.FBC.BVPGG is configured for a shaft diameter (d1) of 18 mm. The external diameter of the stationary part (d7) is 32 mm, while the outer diameter of the rotating part (d3) measures 31 mm. The overall seal length (L3) is 34 mm. These standardized dimensions facilitate easy selection and replacement from a catalog of mechanical seals, ensuring compatibility with existing pump and mixer housings.

**Application and Benefits**
The FBC seal grade designation indicates a balanced design for medium-duty applications. This mechanical seal is suitable for use in centrifugal pumps, mixers, and agitators handling water, light oils, coolants, and other non-aggressive media. The bellows design provides superior performance in applications where shaft movement is a concern. The material selection ensures longevity and stable sealing performance, minimizing leakage and reducing maintenance downtime. When consulting a catalog of mechanical seals for a replacement or upgrade, the IN0180.FBC.BVPGG represents a robust and reliable solution where its specific dimensions and material properties align with operational requirements.

**Selection Guidance**
For correct implementation, verify all application parameters, including fluid compatibility, pressure, temperature, and shaft speed, against the seal's material and design limits. Always confirm the exact mechanical seal dimensions, particularly the shaft diameter and housing bore, prior to installation to guarantee proper fit and function.

Mechanical Seal IN0180.FBC.BVPGG: Bellows-Type Seal for 18mm Shaft with Ceramic-Graphite Faces

Mechanical Seal IN0180.FBC.BVPGG: Bellows Seal for 18mm Shaft with Ceramic Stationary Face

### Mechanical Seal IN0180.FBC.BVPGG: Compact Bellows Seal for Demanding Applications The IN0180.FBC.BVPGG is a compact, bellows-type mechanical seal designed for reliable shaft sealing in pumps and rotating equipment. Engineered for durability, it...