Question

a) List four types of secondary seals used with rotary mechanical seals?

b) List two advantages mechanical seals have compared to gland packing?

Answer 1

• Gaskets
• O-rings
• Bellow seals
• Cartridge seals

1. Mechanical seals are much more durable than packing seals and are the better choice for long-term operation of your pumps.
2. they are a great investment that can save you the costs of constant packing seal repairs and replacements