Flowserve Durco Mark 3 ISO Frame Mounted - Manual (Page 43)

DURCO MARK 3 ISO FRAME MOUNTED ENGLISH 85392719 12-14
Page 43 of 52
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8.3 Additional details
8.3.1
Bearing housing sealing details
Frame 1 and 2
Frame 3 and 4
Frame 1 to 4 proprietary labyrinth/face seals (where fitted)
8.3.2 Open impeller (OP) key drive impeller
option
Key drive design for 304/316 stainless steel and
above, secure screw with PTFE sealant (Loctite 577)
Item Description
2100 Shaft
2200 Impeller
2400 Sleeve (if fitted)
2912.1 Impeller nut
2912.2 Impeller nut
4590.4 Gasket
4610.4 O-ring (if sleeve fitted)
4610.5 O-ring
6570.6 Screw
6700.2 Key
2100 2400 6700.2 2200 4610.5
2912.1
4590.4
6570.6
2912.2
4610.4
KEY DRIVE DESIGN FOR 304/316 STAINLESS STEEL
AND ABOVE. SECURE SCREW WITH
PTFE SEALANT (LOCTITE 577)
(includes
heli-coil 6589)
SOLID SHAFT
SHOWN BELOW
CENTRE-LINE.
SLEEVED SHAFT
SHOWN ABOVE
CENTRE-LINE.