Data Sheet

DandDAValves

D100039X012

Product Bulletin

51.2:D

March 2014

Installation

Valve orientation of the D and DA does n ot affect

operation, but to facilitate changing trim parts, the

valvestemshouldbeverticalwiththeactuatorabove

the valve. Proper flow direction is indicated by the

arrow on the valve.

Dimensions are shown in figures 2 and 3.

Ordering Information

When ordering, specify:

Application

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. Range of flowing inlet pressure

6. Pressure drops

a. Range of flowing pressure drops

b. Maximum at shutoff

7. Flow rates

a. Minimum controlled flow

b. Normal flow

c. Maximum flow

8. Maximum permissible noise level, if critical

9. Shutoff classification required

10. Linesizeandschedule

Valve

Refer to the specifications. Review the description for

each specification. Indicate the desired choice

whenever there is a selection (

J)tobemade.Always

indicate the valve body design being ordered as

identified in the available c onfiguration specification.

Actuator and Accessories

Refer to separate bulletins covering actuators and

accessories for ordering information.