Endress+Hauser OTR31 Operating Instructions Manual page 38

Technical data
11.7.2 Design, dimensions of process connections
L
A
 17 Process connection versions
L Insertion length
Item Version
No.
A Without process connection. Suitable welding
bosses and compression fittings. →  28
B Threaded process connection:
• ANSI NPT ¼" (1 = AF14)
• ANSI NPT ½" (1 = AF27)
C Threaded process connection, inches,
cylindrical as per ISO 228:
• G¼" (2 = AF14)
• G½" (2 = AF27)
11.7.3 Hygienic design, dimensions of process connections
38
1
L2 L1
B
Thread length L
-
• 14.3 mm (0.56 in)
• 19 mm (0.75 in)
• 12 mm (0.47 in)
• 14 mm (0.55 in)
Temperature switch OTR31, OTR35
2
C
Screw-in length L
1
-
• 5.8 mm (0.23 in)
• 8.1 mm (0.32 in)
-
L1 = L2
A0007101
2