10
7
45
8
16
12
30
11
49
42
17
44
9
7
50
36
6
35
14
18
31
34
41
5
38
L1
L1
L1
L1
L1
L2
L2
ERSA02738
Figure 5.
Type T208M Section Drawing (External Registration)
APPLY LUBRICANT (L)
(1)
:
L1 = SILICONE GREASE
L2 = ANTI-SEIZE COMPOUND
1. Lubricants must be selected such that they meet the temperature requirements.
TORQUE:
14 TO 19 IN-LBS / 1.6 TO 2.1 N•m
TORQUE:
340 TO 470 IN-LBS / 38.5 TO 53.1 N•m
TORQUE:
60 TO 72 IN-LBS / 6.8 TO 8.1 N•m
Table 4.
Type T208 Trim Option Code
TRIM OPTION CODE
DIAPHRAGM MATERIAL
DISK AND O-RING MATERIAL
OPERATING TEMPERATURE RANGES
Standard
Nitrile (NBR)
Nitrile (NBR)
-40 to 180°F / -40 to 82°C
VV
Fluorocarbon (FKM)
Fluorocarbon (FKM)
40 to 300°F / 4 to 149°C
TN
Fluorinated Ethylene Propylene (FEP)
Nitrile (NBR)
-20 to 180°F / -29 to 82°C
TV
Fluorinated Ethylene Propylene (FEP)
Fluorocarbon (FKM)
40 to 180°F / 4 to 82°C
TK
Fluorinated Ethylene Propylene (FEP)
Perfluoroelastomer (FFKM)
0 to 180°F / -18 to 82°C
TE
Fluorinated Ethylene Propylene (FEP)
EPDM
-20 to 180°F / -29 to 82°C
11
T208 Series