
THREADING
Y
ER/L-NPT Y
R
External NPT (National Pipe Threads) X di
X
Full Profile Laydown Threading Inserts l l
for Steam, Gas and Water Pipes
di
External right-hand shown
NUT
Dimensions Tough 1 Hard
30° 30°
IC1007
IC50M
90°
IC228
IC250
IC508
IC808
IC908
1°47' SCREW
Designation di TPI l R X Y Z(3)
16ER 27 NPT 9.52 27.0 16.00 0.04 0.7 0.8 1 • • •
16ER 18 NPT 9.52 18.0 16.00 0.06 0.8 1.0 1 • • •
16ERB 18 NPT (1) 9.52 18.0 16.00 0.06 0.8 1.0 1 •
16ERM 18 NPT (1) 9.52 18.0 16.00 0.05 0.8 1.0 1 • • • •
16ER/L 14 NPT 9.52 14.0 16.00 0.07 0.9 1.2 1 • • • • • •
16ERB 14 NPT (1) 9.52 14.0 16.00 0.07 0.9 1.2 1 •
16ERM 14 NPT (1) 9.52 14.0 16.00 0.05 0.9 1.2 1 • • • • •
16ER/L 11.5 NPT 9.52 11.5 16.00 0.09 1.1 1.5 1 • • • • •
16ERB 11.5 NPT (1) 9.52 11.5 16.00 0.09 1.1 1.5 1 •
16ERM 11.5 NPT (1) 9.52 11.5 16.00 0.09 1.1 1.5 1 • • •
16ER 8 NPT 9.52 8.0 16.00 0.12 1.3 1.8 1 • • •
16ERB 8 NPT (1) 9.52 8.0 16.00 0.12 1.3 1.8 1 •
16ERM 8 NPT (1) 9.52 8.0 16.00 0.12 1.3 1.8 1 • • • •
22ER 11.5 NPT 2M (2) 12.70 11.5 22.00 0.09 2.3 3.5 2 •
27ER 11.5 NPT 3M (2) 15.88 11.5 27.00 0.09 3.3 5.5 3 •
27ER 8 NPT 2M (2) 15.88 8.0 27.00 0.15 3.1 5.0 2 •
• For Insert Identification System, see page 489 • For threading between walls use GRIP-type insert TIP-NPT. • National Pipe Threads ANSI/ASME B1.20.1-1983
• For technical information and detailed cutting data, see pages 536-546 • For recommended number of passes for multi-tooth inserts see page 544
(1) With pressed chipformer.
(2) Multi-tooth
(3) Number of teeth per corner.
For tools, see pages: C#-SER/L (530) • SER-D (530) • SER/L (529)
IR/L-NPT Y
Internal NPT (National Pipe Threads) X
Full Profile Laydown Threading Inserts
l
for Steam, Gas and Water Pipes
di
Internal left-hand shown
NUT
Dimensions Tough 1 Hard
30° 30°
IC1007
IC50M
90°
IC228
IC250
IC508
IC808
IC908
1°47' SCREW
Designation di TPI l R X Y Z(3)
06IR 27 NPT 3.97 27.0 6.00 0.04 0.6 0.6 1 •
08IR 18 NPT 4.76 18.0 8.00 0.06 0.6 0.6 1 • •
11IR 27 NPT 6.35 27.0 11.00 0.04 0.7 0.8 1 •
11IR/L 18 NPT 6.35 18.0 11.00 0.06 0.8 1.0 1 • • • •
11IRB 18 NPT 6.35 18.0 11.00 0.00 0.8 0.9 1 •
11IR/L 14 NPT 6.35 14.0 11.00 0.07 0.8 1.0 1 • • •
16IR 27 NPT 9.52 27.0 16.00 0.04 0.7 0.8 1 • •
16IR 18 NPT 9.52 18.0 16.00 0.06 0.8 1.0 1 • •
16IRM 14 NPT (1) 9.52 14.0 16.00 0.05 0.9 1.2 1 • • • •
16IRB 14 NPT (1) 9.52 14.0 16.00 0.07 0.9 1.2 1 •
16IR/L 14 NPT 9.52 14.0 16.00 0.07 0.9 1.2 1 • • • • •
16IRM 11.5 NPT (1) 9.52 11.5 16.00 0.09 1.1 1.5 1 • • • •
16IRB 11.5 NPT (1) 9.52 11.5 16.00 0.09 1.1 1.5 1 •
16IR/L 11.5 NPT 9.52 11.5 16.00 0.09 1.1 1.5 1 • • • • • •
16IRM 8 NPT (1) 9.52 8.0 16.00 0.12 1.3 1.8 1 • • •
16IRB 8 NPT (1) 9.52 8.0 16.00 0.12 1.3 1.8 1 •
16IR/L 8 NPT 9.52 8.0 16.00 0.12 1.3 1.8 1 • • •
22IR 11.5 NPT 2M (2) 12.70 11.5 22.00 0.09 2.3 3.5 2 •
27IR 11.5 NPT 3M (2) 15.88 11.5 27.00 0.09 3.3 5.5 3 •
27IR 8 NPT 2M (2) 15.88 8.0 27.00 0.12 3.1 5.0 2 •
• For Insert Identification System, see page 489 • National Pipe Threads ANSI/ASME B1.20.1-1983. • For technical information and detailed cutting data, see pages
536-546 • For recommended number of passes for multi-tooth inserts see page 544
(1) With pressed chipformer.
(2) Multi-tooth
(3) Number of teeth per corner.
For tools, see pages: MGSIR/L (534) • SIR/L (531)
510 ISCAR