Flowserve Durco Mark 3 User Manual

DURCO MARK 3 ISO FRAME MOUNTED ENGLISH 85392719 06-12
Page 36 of 52 flowserve.com
6.11.4 Double seal types
Double back-to-back seal with 6.11.4.1
Flowserve eccentric pumping annulus
circulation
Pump
size
Setting dimension X mm (in.)
Frame 1 Frame 2 Frame 3 Frame 4
125 11.0 (0.433) - - -
160 11.0 (0.433) 17.5 (0.689) - -
200 6.0 (0.236) 17.5 (0.689) - -
250 - 12.4 (0.488) 14.4 (0.567) -
315 - 12.4 (0.488) 14.3 (0.563) 32.3 (1.272)
400 - - 5.7 (0.224) 24.0 (0.945)
500 - 12.4 (0.488) 14.3 (0.563) 32.3 (1.272)
6.11.5 External seal types
External seal 6.11.5.1
D - drain
6.11.6 Packed gland seal types
Packed gland with fibre packing 6.11.6.1
4120
4130
4134
F - Rp ¼ in. flush
BI - Rp ¼ in. barrier liquid inlet
BO - Rp ¼ in. barrier liquid outlet

Flowserve Durco Mark 3 Specifications

General

Brand	Flowserve
Model	Durco Mark 3
Category	Water Pump
Language	English