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KLAMPz K41 Flange Adapter

The KLAMPz K41 flange adapter is ANSI pressure-rated to 150psi. The The UL-listed and FM-approved option is pressure-rated to 175psi. Closure bolts included. They are made with ductile iron material with a paint coating.

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Dimensions

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
Nominal Size Inches Pipe OD Inches UL / FM Pressure ANSI Pressure Dimensions D (Inches) Dimensions L (Inches) # Flange Bolts Bolt/Nut Size Inches
2 2.375 175 psi 150 psi 6.46 8.27 4 0.375 x 2.75
2.5 2.875 175 psi 150 psi 6.93 9.45 4 0.375 x 2.75
3 3.500 175 psi 150 psi 7.56 9.84 4 0.375 x 2.75
4 4.500 175 psi 150 psi 8.82 10.94 8 0.375 x 2.75
5 5.563 175 psi 150 psi 10.00 12.20 8 0.375 x 2.75
6 6.625 175 psi 150 psi 11.10 13.23 8 0.5 x 3.125
8 8.625 175 psi 150 psi 13.50 15.55 8 0.5 x 3.125
10 10.750 175 psi 150 psi 15.91 18.50 12 0.625 x 3.875
12 175 psi 150 psi 0.625 x 3.875
  Notes:
  • A hard metal washer is required between the Model K41 gasket and any rubber mating surface, i.e. wafer and lug butterfly valves, flexible connectors, etc.
  • Two factory supplied closure bolts are included with Model K41 Flange Adapter.
  • The Model K41 Flange Adapter should not be used as an anchor point for tie-rods on un-restrained joints.
  • When mounting the Model K41 Flange Adapter to valves, assure that there is adequate clearance between the flange and valve handle, operator, etc.
  • UL-Listed & FM-Approved
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