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PTFE Teflon Bellow Seal

Material

Seal Face:

Secondary Seals:

Metal Parts:

Ceramic, GFT, CFT

PTFE / GFT

SS 316 / Hastelloy

Operating Limits

Pressure:

Temperature:

Speed:

Sizes:

5 bar

-20°C to 100°C

2900 rpm

16mm to 100mm

Product Description

Teflon (PTFE) Bellow Seals are specifically engineered to manage highly corrosive fluids, making them an ideal choice for operations in harsh industrial environments. Designed for external mounting, these seals offer a simple and efficient installation process, which helps reduce overall maintenance costs while maintaining reliable sealing performance.

Available in both fixed and replaceable bellow face variants, these seals provide adaptability based on the media being handled. The replaceable configuration allows users to choose from a range of face materials suited to the application, enabling easy removal and replacement of sealing surfaces and thereby improving serviceability and maintenance turnaround.

The inherent chemical resistance of PTFE ensures excellent durability when exposed to aggressive substances such as acids, alkalis, and oxidizing agents. The external mounting design not only eases installation but also ensures minimal contact with the process fluid, contributing to extended operational life with low maintenance demand.

In conclusion, PTFE Bellow Seals offer a dependable, cost-effective solution for industries that handle corrosive media on a regular basis. Their chemical compatibility, installation convenience, and configurable design make them a top choice for applications that demand robust performance in corrosive and chemically intense environments.

Applications

  • Petrochemical processing facilities

  • Food and beverage production plants

  • Pharmaceutical manufacturing and cleanroom environments

  • Suitable for acidic media handling

  • Ideal for transferring light hydrocarbon fluids

  • Resistant to alkalis and highly corrosive chemical substances

  • Designed for strong oxidizers and all corrosive service applications

Features

  • Single-face sealing operation

  • Externally installed configuration

  • Equipped with a single helical coil spring mechanism

  • Operates efficiently in both rotational directions

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