Flowserve Mark 3 Sealed Metallic Durco - Manual (Page 13)

MARK 3 USER INSTRUCTIONS ENGLISH 71569102 01-13
Page 13 of 72 flowserve.com
optimum concentricity. The design enables a number
of sealing options to be fitted.
3.3.7 Shaft seal
The mechanical seal(s), attached to the pump shaft,
seals the pumped liquid from the environment. Gland
packing may be fitted as an option.
3.3.8 Driver
The driver is normally an electric motor. Different drive
configurations may be fitted such as internal combustion
engines, turbines, hydraulic motors etc driving via
couplings, belts, gearboxes, drive shafts etc.
3.3.9 C-flange motor adapters
Avaliable option for Mark3 group 1 and 2 and NEMA
motors from 182TC to 405TSC frames. Motors
above 324TSC must be short shaft type
3.3.10 Accessories
Accessories may be fitted when specified by the
customer.
3.4 Performance and operation limits
This product has been selected to meet the
specification of your purchase order. See section 1.5.
The following data is included as additional information
to help with your installation. It is typical, and factors
such as liquid being pumped, temperature, material of
construction, and seal type may influence this data. If
required, a definitive statement for your application can
be obtained from Flowserve.
3.4.1 Alloy cross reference chart
Figure 3-2 is the Alloy cross-reference chart for all
Mark 3 pumps.
Figure 3-2: Alloy cross-reference chart
Flowserve
Material Code
Designation
Durco Legacy
Codes
ACI
Designation
Equivalent Wrought
Designation
ASTM
Specifications
Material
Group No.
E3020 Ductile iron DCI None None A395, Gr. 60-40-18 1.0
E3033 High chrome iron CR28 None None A532 class 3 Cr
E4027 High chrome iron CR29 None None None Cr
E4028 High chrome iron CR35 None None None Cr
C3009 Carbon steel DS None Carbon steel A216 Gr. WCB 1.1
C3062 Durco CF8 D2 CF8 304 A744, Gr. CF8 2.1
C3069 Durco CF3 D2L CF3 304L A744, Gr. CF3 2.1
C3063 Durco CF8M D4 CF8M 316 A744, Gr. CF8M 2.2
C3067 Durco CF3M D4L CF3M 316L A744, Gr. CF3M 2.2
C3107 Durcomet 100 CD4M CD4MCuN Ferralium  A995, Gr. CD4MCuN 2.8
C4028 Durimet 20 D20 CN7M Alloy 20 A744, Gr. CN7M 3.17
C4029 Durcomet 5 DV None None None 2.2
K3005 Durco CY40 DINC CY40 Inconel  600 A494, Gr. CY40 3.5
K3007 Durco M35 DMM M351 Monel

400 A494, Gr. M35-1 3.4
K3008 Nickel DNI CZ100 Nickel 200 A494, Gr. CZ100 3.2
K4007 Chlorimet 2 DC2 N7M Hastelloy  B A494, Gr. N7M 3.7
K4008 Chlorimet 3 DC3 CW6M Hastelloy

C A494, Gr. CW6M 3.8
E3041 Duriron
 D None None A518, Gr. 1 No load
E3042 Durichlor 51
 D51 None None A518, Gr. 2 No load
E4035 Superchlor
 SD51 None None A518, Gr. 2 No load
D4036 Durco DC8 DC8 None None None -
H3004 Titanium Ti None Titanium B367, Gr. C3 Ti
H3005 Titanium-Pd TiP None Titanium-Pd B367, Gr. C8A Ti
H3007 Zirconium Zr None Zirconium B752, Gr. 702C Ti
 Duriron, Durichlor 51 and Superchlor are registered trademarks of Flowserve Corporation.

Ferralium is a registered trademark of Langley Alloys.

Hastelloy is a registered trademark of Haynes International, Inc.
 Inconel and Monel are registered trademarks of International Nickel Co. Inc.