Technical Specifications; Pump Specifications; Ambient Conditions; Tightening Torques - VERDER VERDERFLEX Dura 80 Operating Manual

11. Technical specifications
11.1 Pump specifications
Size
Max. delivery pressure
Temperature of pumped
liquid
Max. continuous operation
pump speeds
Dimensions

Table 12. - Pump specifications

11.2 Ambient conditions

Operation under any other ambient condition would require
approval from the manufacturer
Operating conditions
• Ambient temperature –5 °C to +45 °C
• Relative humidity (non-condensing), long-term ≤ 85 %
• All units/calculations are based on operating conditions
below 1000 m. For use above this height please check with
manufacturer or local representative for confirmation of
performance.
Storage conditions
• Ambient temperature +10 °C to +50 °C
• Relative humidity (non-condensing), long-term ≤ 85 %

11.3 Tightening torques

Tightening torques should be applied at the following torque
values:
Position
Inspection Window
Port Flange
Rotor Shoe
Gearbox to GMU adaptor
Motor to Gearbox
Frames to Casing
Front Cover
Seal plate, filler port &
service cover
Taperlock bush
GMU adaptor to housing

Table 13. - Tightening torques

Original instructions (en)
Value
16 bar
< 100 °C
< 40 °C (ATEX)
40 rpm at 0 bar
40 rpm at 6 bar
26 rpm at 10 bar
18 rpm at 16 bar
*(refer to pump datasheet)
Torque Values (Nm)
3.4 Nm
90 Nm
150 Nm
145 Nm (305 gearbox size)
230 Nm (306 gearbox size)
87 Nm (112/132 size motor)
150 Nm (160/180 size motor)
100 Nm
100 Nm
3.4 Nm
116 Nm
160 Nm
Version 00
© Verder Liquids B.V
Dura 80 - Operating manual

11.4 Preservatives

Use RUST-BAN 335 or similar preservatives on
bare metal.
11.5 Cleaning agents (after hose is
removed)
Cleaning Agents
Wax solvents, diesel paraffin, alkaline cleaners, warm water

Table 14. - Cleaning agents

11.6 Lubricants

Recommended lubricants for longer hose life are
VERDERLUBE or VERDERSIL.
Pump Type Amount of Lubricant
Dura 80 35 Litres (9.2 US Gallons)

Table 15. - Lubricant

Note
The pump lubricant is filled to the lowest screw of the hole of
the inspection window.
11.7 Solids size handling
Solid type Size of solid
Hard solid < 8mm
Compressible solid < 20mm

Table 16. - Solids size handling

For more information about specific solids handling,
please consult your Verder representative.
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