Pump Piping Connections; Lubrication Of Pump Bearings - GE OSMONICS TONKAFLO SS Series Installation, Operation And Maintenance Manual

High-pressure centrifugal pumps with e-bearing frames
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3.11

Pump Piping Connections

The standard model Tonkaflo SS5500, SS8500, SS12500, SS23000 and SS24000 Series
Pumps have grooved ends as shown in Figure 3.5 (Installation of Discharge Screen) to
accept Victaulic-type couplings. The couplings with 1000 psi (69 bar) working
pressure rating are available as an accessory and include a Buna-N gasket (standard).
Other gasket materials such as Viton or ethylene propylene are available. Consult the
factory.
The coupling gasket should be thoroughly lubricated before installation. Silicone
grease is recommended. Petroleum grease is suitable for most gasket materials, but
is not suitable with ethylene propylene (EPDM).
3.12

Lubrication of Pump Bearings

The pump bearings are not lubricated at the factory.
The bearings are lubricated by maintaining a static oil level within the bearing frame.
One quart (0.95 L) of oil is provided with each new Tonkaflo oil lubricated pump.
Additional oil can be purchased from GE (Section 10.2, Standard Model Parts List).
A heavy-duty premium hydraulic and lubricating oil (anti-wear, non-detergent, rust,
oxidation, and foam inhibited) should be used, such as those listed in Table 3.3 (Typical
Heavy-Duty Hydraulic and Lubricating Oil Types).
Manufacturer or Supplier
Tonkaflo Pumps
Shell or other brands
*
ISO-Vg Grade 100 has a viscosity of 465 SSU at 100°F (38°C).
A #5 TRICO OILER is provided (not installed when shipped) and is used to maintain the
static oil level. The removable crossbar bottle support for the oiler was adjusted at the
factory to maintain proper oil level. If adjustment is lost, reset according to Figure 3.6
(Installation of Oiler). The crossbar support must be used. Do not discard.
Table 3.3
Typical Heavy-Duty Hydraulic
and Lubricating Oil Types
Anti-wear Hydraulic Oil
1 Quart (P/N 1120693)
1 Case [12 Qt, (P/N 1120682)]
Heavy-duty premium Hydraulic
Oil which meets ISO-VG Grade
100 Specifications*
12
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