207 Series

207 Series

Category:Reactor Seal Series

Structural Classification:Double-end face
Application Industry:
Structural Characteristics:

1. Balanced,
2. Double-end face mechanical seal
3. Multi-spring

Cooperative Consulting

Detailed introduction

The Model 207 reactor mechanical seal is custom-designed for applications with extremely high performance requirements! It is suitable for handling flammable, explosive, toxic, and highly corrosive media, and is widely used in industries such as chemical processing, pharmaceuticals, and petroleum—areas that demand exceptionally high sealing performance.
✅ Core Structure and Advantages
▶ Dual-end face balancing design: The inner primary seal bears the pressure of the medium, while the outer secondary seal serves as a safety backup. If the primary seal fails, this design prevents large-scale leakage of the medium.
▶ Sealing fluid circulation: An additional circulation system is required. The sealing fluid pressure should be 0.05–0.2 MPa higher than the pressure inside the reactor, thereby forming a stable liquid film.
▶ Multi-spring + transmission sleeve: Ensures uniform sealing force, guarantees synchronous rotation of the seal and shaft, and enables stable operation under complex conditions.
▶ Customized materials: Friction pairs and auxiliary seals can be selected—such as corrosion-resistant graphite or ceramics—based on the properties of the medium, ensuring more precise compatibility.
▶ Industry applications: Fields with extremely high sealing requirements, such as chemical industry, pharmaceuticals, and petroleum.
🔥 Preferred for High-Requirement Operating Conditions
Double-seal protection ensures reliable sealing and a high safety factor—making it the ideal choice for reactors handling hazardous media!

Applicable host


207 Series

Product Features


High-temperature resistant,Corrosion-resistant

Use parameters


1. Media: Oil, water, weak acids, weak bases, flammable and toxic gases, etc.
2. Temperature: -20℃ ~ 250℃
3. Pressure: -0.1 to 0.6 MPa
4. Linear velocity: ≤20 m/s

Keywords:207 Series

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