Data Sheet
ET Valve
D100022X012
Product Bulletin
51.1:ET
December 2012
27
Ordering Information
Inlet pressure and temperature must always be limited
by the applicable ASME pressure/temperature rating.
Pressure drop information for various trim material
combinations is provided in figures 11, 12, and 14. The
maximum allowable pressure drop for the application
must not exceed the lowest value indicated for the
combination of materials selected.
When ordering, specify:
Application Information
1. Type of application:
a. Throttling or on-off
b. Reducing or relief
2. Controlled fluid (include chemical analysis of fluid if
possible)
3. Specific gravity of controlled fluid
4. Fluid temperature
5. Inlet pressures:
a. Minimum
b. Normal
c. Maximum
6. Pressure drops:
a. Minimum flowing drop
b. Normal flowing drop
c. Maximum flowing drop
d. Maximum at shutoff
7. Flow rates:
a. Minimum controlled flow
b. Normal flow
c. Maximum flow
8. Maximum permissible n oise level, if critical
9. Shutoff classification required
10. Valve stem diameter and bonnet type (plain,
extension, or ENVIRO-SEAL bellows seal bonnet)
11. Linesizeandschedule
Valve Information
To determine what valve ordering information is
needed, refer to the specifications. Review the
description for each specification and in the referenced
tables; w rite down your choice whenever there is a
selection to be made. Always specify the valve design
letter designation.
Actuator and Accessory Information
Refer to the specific actuator and accessory bulletins
for required ordering information.










