Flowserve Mark 3 Sealed Metallic Durco - Manual (Page 33)

MARK 3 USER INSTRUCTIONS ENGLISH 71569102 01-13
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Piping connection - bearing housing 4.6.6.4
cooling system
Make connections as shown below. Liquid at less
than 32 °C (90 °F) should be supplied at a regulate d
flow rate of at least 0.06 l/s (1 US gpm).
Figure 4-28
Piping connection - support leg cooling 4.6.6.5
for centerline mounting option
If the casing is centerline mounted, and the process
temperature is over 178 °C (350 °F), then the casin g
support legs may need to be cooled. Cool water - less
than 32 °C (90 °F) - should be run through the legs at a
flow rate of at least 0.06 l/s (1 US gpm) as shown below.
Figure 4-29
Piping connection - heating/cooling fluid 4.6.6.6
for jacketed cover/casing
The piping connections for jacketed covers and
casings are shown below. The flow rate of the
cooling water - less than 32 °C (90 °F) - should be at
least 0.13 l/s (2 US gpm).
Figure 4-30
Figure 4-31
Notes:
1. When circulating steam, use top hole for inlet. Both bottom
holes must be plumbed together for outlet, to ensure draining
both sides of jacket.
2. When circulating liquid use both bottom holes as inlets. Use top
hole as outlet.
Piping connection - Oil mist lubrication 4.6.6.7
system
The piping connections for an oil mist lubrication
system are shown below.
Figure 4-32
Figure 4-33