Endress+Hauser OTR31 Operating Instructions Manual page 39

Temperature switch OTR31, OTR35
DB
43.5 (1.71)
50.5 (1.99)
HL
B
61.5 (2.42)
82 (3.23)
100 (3.94)
PG
27
(1.06)
44
(1.73)
 18 Process connection versions
All dimensions in mm (in).
L Insertion length L
Item no. Process connection versions, hygiene version
DB Clamp 1" to 1½" (ISO 2852) or DN 25 to DN 40 (DIN
32676)
DL Clamp 2" (ISO 2852) or DN 50 (DIN 32676)
DP Clamp 2½" (ISO 2852)
HL APV Inline, DN50, PN40, 316L, B = bores 6 x
⌀8.6 mm (0.34 in) + 2 x M8 thread
LB Varivent
LL Varivent
MB Metal sealing system for hygienic processes, G½"
thread, thread length
L1 = 14 mm (0.55 in). Suitable welding boss
available as an accessory.
PG DIN 11851, DN25, PN40 (including coupling nut)
DL
56.5 (2.22)
64 (2.52)
LB
50 (1.97)
66 (2.6)
PH
1)
F DN25-32, PN 40
1)
N DN40-162, PN 40
DP
70.5 (2.78)
77.5 (3.05)
LL
68 (2.68)
84 (3.31)
PL
51 (2.01)
39 (1.54)
68 (2.68)
56 (2.21)
Hygiene standard
3-A marked and EHEDG certified (combined
with Combifit seal).
With 3-A symbol and EHEDG certification
-
3-A marked and EHEDG certified (only in
combination with self-centering seal
according to EHEDG position paper)
Technical data
MB
L1
G½"
A0023235
39