Page 180 - THREADING CATALOG

NPT
THREAD TURNING ER/L-NPT NUT M INSL PDY E PDX IC INSL PDY I RE C External right-hand shown

PDX
RE
External NPT
Standard NPT
(National Pipe Threads)
ANSI/ASME B1.20.1
Full Profile Laydown
Threading Inserts for Steam,
IC
Gas and Water Pipes
R
T
30°
30°
Dimensions
Tough 1 Hard
90°
1°47'
Designation SCREW IC TPI (3) RE INSL PDY PDX CICT (4) IC228 IC50M IC250 IC808 IC908 IC1007
16ER 27 NPT 9.52 27.0 0.04 16.49 0.7 0.8 1 • •
16ER 18 NPT 9.52 18.0 0.06 16.49 0.8 1.0 1 • • • •
16ERB 18 NPT (1) 9.52 18.0 0.06 16.49 0.9 1.1 1 •
16ERM 18 NPT (1) 9.52 18.0 0.05 16.49 0.8 1.0 1 • • •
16EL 14 NPT 9.52 14.0 0.07 16.49 0.9 1.2 1 •
16ER 14 NPT 9.52 14.0 0.07 16.49 0.9 1.2 1 • • • •
16ERB 14 NPT (1) 9.52 14.0 0.07 16.49 0.9 1.2 1 •
16ERM 14 NPT (1) 9.52 14.0 0.05 16.49 0.9 1.2 1 • • • • •
16EL 11.5 NPT 9.52 11.5 0.09 16.49 1.1 1.5 1 •
16ER 11.5 NPT 9.52 11.5 0.09 16.49 1.1 1.5 1 • • • •
16ERB 11.5 NPT (1) 9.52 11.5 0.09 16.49 1.1 1.5 1 •
16ERM 11.5 NPT (1) 9.52 11.5 0.09 16.49 1.1 1.5 1 • • • •
16ER 8 NPT 9.52 8.0 0.12 16.49 1.3 1.6 1 • • •
16ERB 8 NPT (1) 9.52 8.0 0.11 16.49 1.4 1.7 1 •
16ERM 8 NPT (1) 9.52 8.0 0.12 16.49 1.3 1.8 1 • • • •
22ER 11.5 NPT 2M (2) 12.70 11.5 0.09 22.00 2.3 3.5 2 •
27ER 11.5 NPT 3M (2) 15.88 11.5 0.09 27.50 3.3 5.5 3 •
27ER 8 NPT 2M (2) 15.88 8.0 0.09 27.50 3.3 5.0 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
• 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 104-105
(1) With pressed chipformer
(2) Multi-tooth
(3) Threads per inch
(4) Number of teeth per corner
Tools: C#-SER/L • SER-D • SER/L • SER/L-JHP • SER/L-JHP-MC

ISCAR
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