RS – Multi-Stage, I-280
Centrifugal Pump 280 – 16.03.EN
13
Table 7. Optional Design Pump Mechanical Seal Settings
Discharge End (Seal Type 1)
(for reference only) – Inches
(from face of box to face of
collar)
Discharge End (Seal Type
8B1) (for reference only) –
Inches
(from face of box to face of
collar)
Suction end (Seal Type 1 or
21)
- Inches
(from face of box to face of
collar)
Table 8. Key Mechanical Data
WR
2
of Rotor – 1
st
Stage (lb-In
2
)
WR
2
of Rotor –
each Stage (lb-In
2
)
Lubrication Method (Standard)
L
10
Bearing Life (hrs) - Thrust
L
10
Bearing Life (hrs) - Radial
The standard seal flush plans provided with the optional outboard mechanical seal are shown below.
Recirculation from Suction Point to Seal Recirculation from Discharge Point thru a TI
and Heat Exchanger to Seal
Figure 2. Standard Seal Flush Plans