
PDX IR-NPT 3M-Q RE Internal NPT (National Pipe IC Threads) Full Profile Laydown PDY INSL Threading Inserts for Steam, Gas and Water Pipes Dimensions IC908 Designation IC TPI(1) INSL RE PDX PDY NT(2) 27IR 11.5 NPT 3M-Q IC908 15.88 11.5 27.00 0.09 5.50 3.30 3 • • National Pipe Threads ANSI/ASME B1.20.1-1983. (1) Threads per inch (2) Number of teeth per corner PDX ER-W 3M-Q RE External Whitworth (BSW, IC BSF, BSP) B.S.84-1956 DIN PDY INSL 259 Medium Class Full Profile Laydown Threading Inserts Dimensions IC908 Designation IC TPI(1) INSL RE PDX PDY NT(2) 22ER 14 W 3M-Q IC908 12.70 14.0 22.00 0.23 4.30 2.60 3 • • For threading between walls use GRIP-type insert TIP-BSW • Tolerance: medium class (1) Threads per inch (2) Number of teeth per corner PDX IR-UN 3M-Q RE Internal American UN Full IC Profile (UN, UNC, UNF, UNEF) PDY INSL Laydown Threading Inserts for General Applications Dimensions IC908 Designation IC TPI(1) INSL RE PDX PDY NT(2) 22IR 12 UN 3M-Q IC908 12.70 12.0 22.00 0.17 5.10 3.10 3 • 22IR 16 UN 3M-Q IC908 12.70 16.0 22.00 0.13 4.00 2.40 3 • • Tolerance: class 2B,ANSI B1, 3M-1986. (1) Threads per inch (2) Number of teeth per corner 88