API16C Fig1002 Hammer Union,Type 1002: 10000PSI NSCWP, test pressure: 15000PSI, red nut and blue part.
Size:1"-6" Pressure Rate: 10000PSI
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API16C Fig1003 Hammer Union, Type 1003: 10000PSI NSCWP, （7500PSI NSCWP, 4in, 5in）， black nut and green part.
Size:3"-5" Pressure Rate: 10000PSI
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API16C Fig1502 Hammer Union,Type 1502: 1500PSI NSCWP, test pressure: 22500PSI, blue nut and red part.
Size:1-1/2"-4" Pressure Rate: 15000PSI
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