Levitronix BPS-4H Series User Manual

User Manual for BPS-4H (High Temp.)
www.levitronix.com
PL-2009-03, Rev04, DCO# 21-101
31
6 Inspection and Maintenance
6.1 Regular Check of Pump Head and Motor Screws
If dynamic pressure conditions, pressure hammering effects and/or liquid temperature cycles occur frequently,
a periodic check of the torque of the motor and pump head screws is recommended. As a guideline the Table
13 can be used.
Liquid
Temperature
Operation
Mode
Pump
Pressure
Recommendation
for Pump Head CP-4.25
Recommendation
for Pump Head CP-4.34/36
<150°C
Continuous
<2 bar
No retightening of the screws
necessary (field experience)
No retightening of the screws
necessary
<150°C
Continuous
>2 bar
A periodic retightening of the screws
is recommended (every 2 month)
No retightening of the screws
necessary
<150°C
Thermal cycling
(at least 1 cycle
per week)
<2 bar
A periodic retightening of the screws
is recommended (every 2 month)
No retightening of the screws
necessary
<150°C
Thermal cycling
(at least 1 cycle
per week)
>2 bar
A periodic retightening of the screws
is strongly recommended (every
month)
No retightening of the screws
necessary
150 – 180°C
Continuous
<2 bar
A periodic retightening of the screws
is recommended (every 2 month)
No retightening of the screws
necessary
150 – 180°C
Continuous
>2 bar
A periodic retightening of the screws
is strongly recommended (every
month)
No retightening of the screws
necessary
150 – 180°C
Thermal cycling
(at least 1 cycle
per week)
<2 bar
A periodic retightening of the screws
is strongly recommended (every
month)
No retightening of the screws
necessary
150 – 180°C
Thermal cycling
(at least 1 cycle
per week)
>2 bar
A periodic retightening of the screws
is necessary (every week)
A retightening of the screws after the
first thermal cycle is recommended
180 – 220°C
Continuous
<2 bar
Not released
A retightening of the screws after the
first thermal cycle is recommended
180 – 220°C
Continuous
>2 bar
Not released
A retightening of the screws after the
first thermal cycle is recommended
A periodic retightening of the screws is
recommended (every 2 month)
180 – 220°C
Thermal cycling
(at least 1 cycle
per week)
<2 bar
Not released
A retightening of the screws after the
first thermal cycle is strongly
recommended
A periodic retightening of the screws is
recommended (every 2 month)
180 – 220°C
Thermal cycling
(at least 1 cycle
per week)
>2 bar
Not released
A retightening of the screws after the
first thermal cycle is strongly
recommended
A periodic retightening of the screws is
strongly recommended (every month)
Table 13: Recommended maintenance of screw tightening
Figure 32: Torques for screws of pump heads
Pump Head Screws:
Stainless Steel + PTFE
8 pcs. M8x40 mm
Torque Spec.: 1.2 Nm
Motor Screws:
Stainless Steel + PTFE
4 pcs. M8x30 mm
Torque Spec.: 1.2 Nm
Pump Head Screws:
8 pcs. M8x45 mm
Torque Spec.: 3.5 Nm
Pump Head
CP-4.25
Pump Heads
CP-4.34/36
Pump/Motor Screws:
Stainless Steel
4 pcs. M8x80 mm
Torque Spec.: 17 Nm
Screw Protection Cup:
PE-HD, 12 pcs. M18x1.5 mm
Torque Spec.: 1.5 Nm

Levitronix BPS-4H Series Specifications

General

Brand	Levitronix
Model	BPS-4H Series
Category	Water Pump
Language	English