Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 21

Nameplate field
T4
Table 5: Temperature class definitions
Code
T1
T2
T3
T4
T5
T6
WARNING:
Use of equipment unsuitable for the environment can pose risks of ignition and/or explosion.
Ensure that the code classifications on the pump are compatible with the specific environment
in which the equipment is to be installed. If they are not compatible, do not operate the
equipment and contact an ITT representative before proceeding.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
Explanation
Temperature class
Maximum permissible surface
temperature in °F (°C)
842 (450)
572 (300)
392 (200)
275 (135)
212 (100)
185 (85)
Product Description
Minimum permissible surface
temperature in °F (°C)
700 (372)
530 (277)
350 (177)
235 (113)
Option not available
Option not available
19