Flowserve CPX - Page 30

CPX, CPXR, CPXN and CPXP USER INSTRUCTIONS ENGLISH 71569117 02-10
Page 30 of 44 flowserve.com
6.11.4 Double seal types
6.11.4a Double back-to-back seal with Flowserve
eccentric pumping annulus circulation
Setting dimension X (mm)
Pump size
Frame 1 Frame 2 Frame 3 Frame 4
125 11.0 - - -
160 11.0 17.5 - -
200 6.0 17.5 - -
250 - 12.4 14.4 -
315 - 12.4 14.3 32.3
400 - - 5.7 24.0
500 - 12.4 14.3 32.3
6.11.5 External seal types
6.11.5a External seal
D - drain
6.11.6 Packed gland seal types
6.11.6a Packed gland with fibre packing
4120
4130
4134
F - Rp ¼ in. flush
BI - Rp ¼ in. barrier liquid inlet
BO - Rp ¼ in. barrier liquid outlet