HAMMELMANN HDP 502 / S 1100-50, Руководство по эксплуатации, Страница: 253 / 311

Intended application Page 3 of 3 Chapter 2
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Sterling Fluid Systems reserves the right to modify its
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
(Sterling Fluid Systems BV) 2001
Example of a pump designation:
1-3 4 5-7 8-10 11 12 13-15 16-17 18
ZLND 125 250 A C 041 OB 2
2.5 Shaft sealing
Depending on the application, different shaft
sealing executions are offered (see 2.4)
•
a stuffing box with lantern ring (executions
041, 052, and optionally 051) or mechanical
seals according to DIN 24960 are utilised in
the following cases:
•
if the pump draws from a suction line,
•
if the pump is fed by a feed line with a
pressure of less than 0.5 bar or
•
if the pumped liquid is at or near its boiling
point.
Provision of the sealing liquid is as follows:
•
041: Internal self sealing ISO 5199 plan 01
•
052: External self sealing ISO 5199 plan 08
•
051: External self sealing ISO 5199 plan 09
•
Mechanical seal: ISO 5199 plan 02. API plan
11
•
Mechanical seal execution plus external
flushing: ISO 5199 plan 08, API plan 32
Mechanical seal execution plus quench: ISO
5199 plan 09. API plan 62.
Section 2.4 does not contain the codes for all
variations of mechanical seals. Where the code is
not included or replaced by QQQ, consult the
relevant data sheet of the mechanical seal
supplier (e.g. special execution of the mechanical
sealing in a back to back position).
ATTENTION
Casing gasket
Construction
Shaft sealing
Bearings:B,C,S,T or 2
Impeller size
Nominal discharge
Pump series
Hydraulic: A/B/D
HAMMELMANN Code no.: 04.03226.0769
Type 32-200