Mechanical face seals
Seal
Material, rotating ring
Material, stationary ring
Inner
Wolfram Carbide Corrosion
Resistant (WCCR)
WCCR
Outer
WCCR
WCCR
Drive unit shaft
Available materials
Flygt material number Standard
Europe
USA
Stainless steel
(martensitic)
M0344.2321.03
EN 10088-3:1995
No. 1.4057
ASTM/AISI 431
Stainless steel (austenitic-
ferritic)
M0344.2324.02
EN 10088-3:1995
No. 1.4460
ASTM/AISI 329
O-rings
Available materials
Flygt material number Standard
Europe
USA
Nitrile rubber 70
⁰
IRH
M0516.2637.04
—
—
Coating system
The following table describes the two variants of paint systems available for the pump, Standard and
Special. The choice of coating system depends upon the service environment, see the Flygt standard
M0700.00.0001 (Coating Selection Guidelines).
Coating system
Basecoat
Topcoat
Total dry film
thickness
Flygt standard
Standard
Acrylic (waterborne)
or
alkyd (solventborne)
Oxirane ester, 2–
pack
200 μm
M0700.00.0004
Special (option)
Epoxy
Oxirane ester, 2–
pack
500 μm
M0700.00.0005
Mounting-related data
Depth of immersion
The maximum depth of immersion is 20 m (65 ft.).
Weight
See the dimensional drawing for pump weights.
Cables
Table 38: C3231, C3300, C3306, C3356
SUBCAB
®
Maximum voltage 600–1000 V, intended for drive units up to 1.1 kV. To
be dimensioned by ITT Water & Wastewater.
Table 39: C3240, C3312, C3351, C3400, C3501, C3531, C3602, C3800
SUBCAB
®
Maximum voltage 600–1000 V, intended for drive units up to 1.1 kV. To
be dimensioned by ITT Water & Wastewater.
NTSCGEWTOEUS
For use with medium voltage (1.2–6.6 kV) drive units. To be dimensioned
by ITT Water & Wastewater.
Engineering data
Performance curves, motor data and dimensional drawings are available from your ITT representative.
Technical Reference
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual
107
Содержание C/R3231
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