Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) - Manual (Page 55)

ANSIFAM IOM - 5/08
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5
Table 3
Impeller Clearances
Cold Temperature Clearances for Various Service Temperatures, inches (mm)
Service Temperature
3196 and HT3196 LF3196
STX MTX/LTX XLTX/X17 STX MTX/LTX
inches mm inches mm inches mm inches mm
-20 to 150°F (-29 to 66°C) 0.005 0.13 0.008 0.20 0.015 0.38 0.015 0.38
Up to 175°F (79°C) 0.005 0.13 0.008 0.20 0.015 0.38 0.015 0.38
Up to 200°F (93°C) 0.005 0.13 0.008 0.20 0.015 0.38 0.015 0.38
Up to 250°F (121°C) 0.006 0.16 0.009 0.23 0.016 0.41 0.016 0.41
Up to 300°F (149°C) 0.007 0.19 0.010 0.26 0.017 0.44 0.017 0.44
Up to 350°F (177°C) 0.009 0.22 0.012 0.29 0.019 0.47 0.019 0.47
Up to 400°F (204°C) 0.010 0.25 0.013 0.32 0.020 0.50 0.020 0.50
Up to 450°F (232°C) 0.011 0.28 0.014 0.35 0.021 0.53 0.021 0.53
Up to 500°F (260°C) 0.012 0.30 0.015 0.38 0.022 0.56 0.022 0.56
Up to 550°F (288°C) 0.013 0.33 0.016 0.41 0.023 0.59 0.023 0.59
Up to 600°F (316°C) 0.014 0.36 0.017 0.44 0.024 0.62 0.024 0.62
Up to 650°F (343°C) 0.016 0.39 0.019 0.47 0.026 0.65 0.026 0.65
Up to 700°F (371°C) 0.017 0.42 0.020 0.50 0.027 0.68 0.027 0.68
Table 3, cont’d
Impeller Clearances
Cold Temperature Clearances for Various Service Temperatures, inches (mm)
Service Temperature
CV 3196 1 3796 NM 3196 3198
STX MTX/LTX XLTX STX MTX/LTX STX MTX/LTX STX MTX/LTX
-20 to 150°F (-29 to 66°C) 0.06 1.52 0.015 0.38 0.005 0.13 0.008 0.20 0.015 0.38
Up to 175°F (79°C) 0.06 1.52 0.015 0.38 0.005 0.13 0.008 0.20 0.020 0.51
Up to 200°F (93°C) 0.06 1.52 0.015 0.38 0.005 0.13 0.008 0.20 0.024 0.61
Up to 250°F (121°C) 0.06 1.52 0.016 0.41 0.032 0.81
Up to 300°F (149°C) 0.06 1.52 0.017 0.44 0.040 1.02
Up to 350°F (177°C) 0.06 1.52 0.019 0.47
Up to 400°F (204°C) 0.06 1.52 0.020 0.50
Up to 450°F (232°C) 0.021 0.53
Up to 500°F (260°C) 0.022 0.56
Up to 550°F (288°C)
Up to 600°F (316°C)
Up to 650°F (343°C)
Up to 700°F (371°C)
Out of pump temperature range =
1
Clearance is set from the back of the impeller to the stuffing box cover / seal chamber / backplate.