Page 183 - THREADING CATALOG

IR/L-NPT PDY PDX
RE
Internal NPT Standard NPT
(National Pipe Threads)
Full Profile Laydown lNSL ANSI/ASME B1.20.1
Threading Inserts for Steam,
Gas and Water Pipes IC
Internal left-hand shown
NUT I N C H THREAD TURNING
30° 30°
Dimensions Tough 1 Hard
90° 1°47'
SCREW
IC228 IC50M IC250 IC508 IC808 IC908 IC1007
Designation IC TPI (3) RE INSL PDY PDX CICT (4) IC08
06IR 27 NPT .157 27.0 .0016 .271 .02 .02 1 •
08IR 18 NPT .197 18.0 .0024 .324 .02 .03 1 • •
11IL 18 NPT .250 18.0 .0024 .433 .03 .04 1 •
11IR 18 NPT .250 18.0 .0024 .433 .03 .04 1 • •
11IRB 18 NPT .250 18.0 .0024 .433 .03 .04 1 •
11IL 14 NPT .250 14.0 .0027 .433 .03 .04 1 •
11IR 14 NPT .250 14.0 .0027 .433 .03 .04 1 • • •
16IL 27 NPT .375 27.0 .0018 .649 .03 .03 1 •
16IR 27 NPT .375 27.0 .0018 .649 .03 .03 1 •
16IR 18 NPT .375 18.0 .0024 .649 .03 .04 1 •
16IRM 14 NPT (1) .375 14.0 .0020 .649 .04 .05 1 • • • •
16IRB 14 NPT (1) .375 14.0 .0027 .649 .04 .05 1 •
16IL 14 NPT .375 14.0 .0032 .649 .04 .05 1 •
16IR 14 NPT .375 14.0 .0032 .649 .04 .05 1 • • • •
16IRB 11.5 NPT (1) .375 11.5 .0035 .649 .04 .06 1 •
16IRM 11.5 NPT (1) .375 11.5 .0035 .649 .04 .06 1 • • • •
16IL 11.5 NPT .375 11.5 .0035 .649 .04 .06 1 • •
16IR 11.5 NPT .375 11.5 .0035 .649 .04 .06 1 • • •
16IRM 8 NPT (1) .375 8.0 .0047 .649 .05 .07 1 • • •
16IRB 8 NPT (1) .375 8.0 .0043 .649 .05 .07 1 •
16IL 8 NPT .375 8.0 .0043 .649 .05 .07 1 • •
16IR 8 NPT .375 8.0 .0043 .649 .05 .07 1 • • •
22IR 11.5 NPT 2M (2) .500 11.5 .0035 .866 .09 .14 2 •
27IR 11.5 NPT 3M (2) .625 11.5 .0035 1.083 .13 .22 3 •
27IR 8 NPT 2M (2) .625 8.0 .0047 1.083 .12 .20 2 •
• Anvils for laydown inserts, see pages 26-35, 234-237
• For recommended number of passes see pages 81-82
• For Insert Identification system, see page 24
• National Pipe Threads ANSI/ASME B1.20.1-1983
• For technical information and detailed cutting data, see pages 104-105
(1) With pressed chipformer
(2) Multi-tooth
(3) Threads per inch
(4) Number of teeth per corner
Tools: AVC-D-SIR/L • C#-SIR/L • MGSIR/L • MTET Single Point • PICIN-MGSIR/L • SIR/L

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