Munsch NPC Series - Layout; Shaft Seals; Mechanical Seals

Layout and function
3.2 Lay out
2 3 4
56
1
Fig. 4 Layout NPC
1 Impeller
2 Casing armour plating
3 Volute casing
4 Bearing bracket
5 Pump shaft
6 Casing cover
3.3 Shaft seals
Only one of the following shaft seals can be used.
3.3.1 Mechanical seals
Mechanical seals will always show some functional drip
leakage.
• Single mechanical seal
• Double mechanical seal with quench
• Double mechanical seal with foreig
n blocking
EN – 02 BA-2005.07 NPC series 11