API (Oilfield)

Internal API (Oilfield)

Standard reference: API Specification 7: 1990

Tolerance class: Standard API

P

60°

l

x

ic y

Internal Right HandAPI (Oilfieild)Pitch RangeTPITaperXY
EDPL(mm)DescriptionGrademmIPFAnglemmmm
0331322222IR5API403SP40665,08537° - 1'1,802,50
0331332222IR4API383SP40666,35437° - 1'2,102,80
0331342222IR4API382SP40666,35424° - 43'2,102,80
0338882222IR4API502SP40666,35424° - 43'2,003,00
0338892222IR4API503SP40666,35437° - 1'2,003,00
0331352727IR4API382SP40666,35424° - 43'2,102,80
0331362727IR4API383SP40666,35437° - 1'2,102,80
0331372727IR4API502SP40666,35424° - 43'2,003,00
0331382727IR4API503SP40666,35437° - 1'2,002,00
OILFIELDCONNECTORS
Reference to Part NumberTPITaper IPFConnector No. or size
API V 0.038R42NC23, NC28, NC31, NC35, NC38, NC40, NC44, NC46 NC50,4 FH,2 3/8" IF,3 1/2" IF,4 1/2" IF,5 1/2" IF
API V 0.038R43NC56, NC61, NC70, NC77
API V 0.040532 3/8" REG, 2 7/8" REG, 3 1/2" REG, 4 1/2" REG 3 1/2" FH, 4 1/2" FH
API V 0.050435 1/2” REG, 7 5/8” REG, 8 5/8” REG
API V 0.050426 5/8” REG, 5 1/2” FH, 6 5/8” FH
API V 0.05561.5NC10, NC12, NC13, NC16
API V 0.06542Superceded by API V 0.038R