Flowserve Guardian Sealless Metallic - Manual (Page 14)

GUARDIAN USER INSTRUCTIONS ENGLISH 71569212 08-11
Page 14 of 68 flowserve.com
Figure 3-6: Temperature limitations, long coupled
pumps
Temperature Limitations
-73 ºC to -29 ºC
(-100 ºF to -20 ºF)
•
G or H Series acceptable
•
Group 1 or 2 pumps acceptable
• Review material and elastomer
limitations
•
Replace iron and steel pressure
containing components with
stainless steel. Contact your
Flowserve representative for details
-29 ºC to 121 ºC
(-20 ºF to 250 ºF)
•
G or H Series acceptable
•
Group 1 or 2 pumps acceptable
• Review material and elastomer
limitations
121 ºC to 177 ºC
(250 ºF to 350 ºF)
•
H Series only
•
Group 1 or 2 pumps acceptable
•
Review material and elastomer
limitations
177 ºC to 287 ºC
(350 ºF to 550 ºF)
• H Series only
•
Group 1 rated to 287 ºC (550 ºF)
•
Group 2 rated to 232 ºC (450 ºF)!
•
Review material and elastomer
limitations
• Centerline mounting recommended
for services over 177 ºC (350 ºF)
•
Labyrinth seals recommended for
services over 218 ºC (425 ºF)
•
Finned oil cooler recommended for
services over 190 ºC (375 ºF)
Figure 3-7: Temperature limitations, close
coupled pumps (Group 1 only)
Temperature Limitations
-73 ºC to -29 ºC
(-100 ºF to -20 ºF)
•
G or H Series acceptable
•
Review material and elastomer
limitations
•
Replace iron and steel pressure
containing components with stainless
steel. Contact your Flowserve
representative for details
-29 ºC to 121 ºC
(-20 ºF to 250 ºF)
• G or H Series acceptable
•
Review material and elastomer
limitations
121 ºC to 177 ºC
(250 ºF to 350 ºF)
•
H Series only
• Review material and elastomer
limitations
177 ºC to 204 ºC
(350 ºF to 400 ºF)
•
H Series only
•
Maximum allowable process fluid
temperature is 204 ºC (400 ºF)
•
Review material and elastomer
limitations
•
Centerline mounting recommended
for services over 177 ºC (350 ºF)
Figure 3-8: 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
E3042 Durichlor 51  D51 None None A518, Gr. 2 No load
E4035 Superchlor
 SD51 None None A518, Gr. 2 No load
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.
Note: some materials listed above may not be available for use in some parts of Guardian pumps.