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Kemper Integral (one piece) Pup Joints are manufactured from seamless alloy steel tubing, hot upset forged to provide superior grain structure, and precisely machined to the same high quality standards as our hammer unions. Kemper PupJoints are designed for long service life, with optimum wall thickness to carefully balance erosion resistance and weight. Every Kemper Pup Joint is permanently serial numbered for traceability and service records maintenance.

Figure CWP STD Size ID
602 6000 PSI/413 .7 bar 2" 1.75"
602 6000 PSI/413 .7 bar 3" 2.50"

ID = Internal Diameter

Figure CWP STD Size ID
1002 10,000 PSI/689.5 bar 2" 1.75"
1002 10,000 PSI/689.5 bar 3" 2.50"
1002 10,000 PSI/689.5 bar 4" 3.75"

ID = Internal Diameter

Figure CWP STD Size ID
1502 15,000 PSI/1034 .2 bar 1" 1.00"
1502 15,000 PSI/1034 .2 bar 1.5" 1.30"
1502 15,000 PSI/1034 .2 bar 2" 1.75"
1502 15,000 PSI/1034 .2 bar 3" 2.50, 2.75"
1502 HD 15,000 PSI/1034 .2 bar 3" 2 .63"
1502 15,000 PSI/1034 .2 bar 4" 3.50"

ID = Inside Diameter
HD = Heavy Duty

Figure CWP SG Size ID
1502 10,000 PSI/689.5 bar 2" 1.75"
1502 10,000 PSI/689.5 bar 3" 2.5"
1502 10,000 PSI/689.5 bar 4" 3.5"
Figure CWP SG Size ID
2202 15,000 PSI/1034.2 bar 2" 1.25"