Munsch NPC Series - Page 4

Table of contents
List of figures
Fig. 1 Type plate (example) ........................ 10
Fig. 2 ATEX plate (example) ........................ 10
Fig. 3 Pump type code (example) .. . . . . . . .. . . . . . . .. 10
Fig. 4 Layout NPC ................................... 11
Fig. 5 Double mechanical seal with quench
(operating principle) .......................... 12
Fig. 6 Double mechanical seal with foreign blocking
(operating principle) .......................... 12
Fig. 7 Fastening the lifting gear to the pump
aggregate ..................................... 13
Fig. 8 Fastening the lifting gear to the pump .. . . . . 13
Fig. 11 Setup without foundation .................... 17
Fig. 12 Straight pipe lengths upstream and down-
stream of the pump (recommended) . . . .... 18
Fig. 16 Oil level in sight glass ........................ 21
Fig. 17 Loosening the flushing connector or supply
connectors REA-C/D . . . . ... . . . . . .. . . . . . .. . . . . 27
Fig. 18 Extracting the volute casing . . .. . . . . . . .. . . . . . 27
Fig. 19 Disassembling the impeller . .. . . . . . . .. . . . . . . . 27
Fig. 20 Disassembling a casing cover with
MUNSCH-REA-C mechanical seal . . . . . .. . . 28
Fig. 21 Disassembling MUNSC H-REA-D stationary
seal ring ....................................... 28
Fig. 22 Disassembling the bearing bracket (grease
lubrication, L16A, L18B, L20A) . . . . ... . . . . . .. 29
Fig. 23 Disassembling the pump shaft (no lifetime
lubrication) .................................... 29
Fig. 24 Disassembling the pump shaft (with lifetime
lubrication) .................................... 29
Fig. 25 Fitting the casing cover ...................... 30
Fig. 26 NPC – overview sectional drawing . . .. . . . . . 36
Fig. 27 NPC – casing foot ............................ 36
Fig. 28 Emptying (optional) .......................... 36
Fig. 29 MUNSCH-REA-C single mechanical
seal ............................................ 37
Fig. 30 MUNSCH-REA-C/D double mechanical
seal ............................................ 37
Fig. 31 Stationary seal ring holder (o
nly for double
mechanical seal) ............................. 37
Fig. 32 Shutdown/continuous flushing (flushing of
pump interior) ................................. 37
Fig. 33 Single mechanical seal with spring chamber
flushing (supply connectors) . . . .. . . . . . .. . . . . 37
Fig. 34 MUNSCH-REA-C/
D supply connec-
tors ............................................ 38
Fig. 35 Casing cover (split) .......................... 38
Fig. 36 Bearing bracket L16A (grease-lubricated
bearing) ....................................... 38
Fig. 37 Bearing bracket L16A (grease-lubricated
bearing, lifetime lubrication) ................. 38
Fig. 38 Bearing bracket L16A (oil-lubricated
bearing) ....................................... 39
Fig. 39 Bearing bracket L18B (grease-lubricated
bearing) ....................................... 39
Fig. 40 Bearing bracket L18B (oil-lubricated
bearing) ....................................... 39
Fig. 41 Blocking – pressure of sealing medium . . . . . 40
Fig. 42 Socket loads at the pump . . . . . . .. . . . . . .. . . . . 42
4 NPC series BA-2005.07 EN – 02