Sulzer TB1-50 Mechanical Seal

- Brand: Sulzer (Sulzer Pumps)

- Model: TB1-50 

- Type: Mechanical Seal 

- Part number: FU451500C1 (Sulzer internal/spare part code); 4501609405/10 

Technical specifications:  
- Shaft diameter: 50 mm 
- Seal design: Rotating face with spring
- Operating limits:  
  - Pressure: 10 bar 
  - Temperature: -20°C to +120°C 
  - Speed: 20 m/s 
- Materials:  
  - Seal faces: Silicon Carbide (SiC) vs. Carbon (C) 
  - Secondary seals: EPDM
  - Metal parts: 316 stainless steel 
  - Springs: Stainless steel   
- Direction of rotation: Independent 
- Compatibility: Sulzer centrifugal pumps with 50 mm shaft (e.g., CPT, ZPP, Ahlstar, or similar models; direct OEM replacement or equivalent)  
- Additional features: Balanced design for low heat generation and longer life; high chemical resistance; low leakage; suitable for clean water, wastewater, or mildly aggressive fluids; maintenance-friendly  
- Standards: Compliant with EN 12756 / ISO 21049; RoHS compliant  

* Note: Minor scratches to base

Weight: 2.5 kg

Dimensions: 140 x 130 x 175 mm (box)

Country of origin: Finland

HS code: 8484.20