Johnson Controls AS instruction manual Seals

10.0 Seals

All centrifugal pumps of the AS series are fitted with unified mechanical seals according to DIN 24960 - ISO 3069 standards, in order to grant the interchangeability (subject to verification of axial space). The type of mechanical seal and material are chosen according to the liquid to be pumped.

Mechanical seal types conforming to DIN 24960

•	T execution:	Standard – Internal single mechanical seal
•	V execution:	External single mechanical seal with external
		flushing/quench.
•	Q execution:	Compact double mechanical seal back-to-back,
		high pressure flush

Warning: before using the pump for any liquids other than those specified when selecting and ordering, ensure that mechanical seals and gaskets are suitable for the new product.

IM-AS/02.00 GB (0412) 9