How to select the casing and seal materials for magnetic gear pumps for various industries

The choice of case and seal materials for a magnetic gear pump is a key factor in ensuring reliable and long-lasting equipment operation.

## Case Materials

Most common materials:

### 316L Stainless Steel
Suitable for most applications:
- Chemical industry
- Food industry
- Medical equipment

### Hastelloy
Used for strong acids and aggressive media.

### Titanium
Ideal for corrosive environments and seawater.

### PEEK (Plastic)
Used in high-purity and special environments.

## Seal Materials

### FKM (Viton)
Standard solution for most chemical fluids.

### EPDM
Suitable for aqueous and alkaline media.

### PFA
Excellent chemical resistance.

### FFKM
Used in extreme conditions and aggressive environments.

## Industry Recommendations

### Chemical Industry
- Case: Hastelloy / 316L  
- Seal: FFKM / PFA  

### Medical Industry
- Case: 316L  
- Seal: FKM  

### Cooling Systems
- Case: 316L  
- Seal: EPDM  

### Printing and Coatings
- Case: 316L / DLC  
- Seal: FKM  

## Conclusion

Correct material selection ensures corrosion resistance, leak-tightness, and a long service life for the equipment.

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