Sulzer APP Series

Sulzer APP Series

Category:Chemical Pump Seal Series

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

1. Modular single-face or modular double-face.

2. Easy to install, balanced design, and compatible with any rotation direction.

Cooperative Consulting

Detailed introduction

Key selling points: Single or double-end face options + Premium materials + Wear-resistant and corrosion-proof + Ultra-long service life + Wide compatibility
The APP-type chemical pump mechanical seal is available in two configurations: modular single-face and double-face designs! The sealing rings are meticulously crafted from high-quality silicon carbide or hard alloy, and the substrate material can be customized to meet various specifications, including 304, 316L, 2205, and 2507. This seal boasts exceptional resistance to clogging, abrasion, and corrosion, with a service life more than twice that of conventional mechanical seals.
✅ Super-strong compatibility, covering multiple fields
▶ Compatible equipment: pulp pumps, chemical pumps, process pumps, filtrate pumps, slurry pumps, circulation pumps, and more.
▶ Applicable industries: chemical industry, alumina, papermaking, power generation, steelmaking, and others; widely used and highly acclaimed.
✅ Hardcore advantages—A worry-free choice
The modular design ensures easy installation, stable operation, and reliable sealing, significantly reducing maintenance frequency and costs—making it the ideal choice for replacing seals in industrial pumps!
🔥 APP-based exclusive quality assurance
Made from industrial-grade materials, it offers stable performance and wide compatibility—feel confident when you make your purchase!

Applicable host


Sulzer APP Series

Product Features


Anti-clogging,Anti-abrasion,Corrosion-resistant

Use parameters


1. Medium: Suitable for media with relatively high impurity content, such as gypsum and lime slurry; fixed solids content ≤ 30%.
2. Temperature: -10℃ to 200℃
3. Pressure: ≤2.5 MPa
4. Linear velocity: ≤30 m/s

Keywords:Sulzer APP Series

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Professional Technical Support

Our team of technical engineers, with 20 years of experience, provides you with precise seal selection and fault diagnosis services.

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Quality assurance

All seals are certified under the ISO 9001 quality management system, ensuring reliability and long service life.

Customized solutions

We offer customized sealing solutions for special operating conditions, addressing complex challenges such as high temperature, high pressure, and corrosion.

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