CVS Controls DBQ Series - Specifications

SPECIFICATIONS
End
Connection
Style
Flanged raised Face
(RF)
ASME Class 1500, or Class 2500 (ASME B16.34-latest edition)
Flanged Ring Type
Joint (RTJ)
ASME Class 1500, or Class 2500 (ASME B16.34-latest edition)
Maximum
Inlet
Pressure*
Raised Face Flange
Consistent with Class 1500 or Class 2500 per ASME B16.34-latest
edition
Ring Type Joint
Consistent with Class 1500 or Class 2500 per ASME B16.34-latest
edition
Shutoff
Classification
Standard
Class IV – leakage of less than .01% of maximum capacity, using air at
50 psid
Optional
Class V – leakage of less than .0005cc per minute, per inch of port
diameter per psid using water at service pressure drop
Flow
Direction
Taper Plug and M-
Form Trims
Up through the seat ring and out through the cage
Flow
Characteristic
Refer to Table 2.
*Pressure and temperature limits in this manual, and any applicable standard should not be exceeded
Table 2: Yoke Boss, Stem, Port, and Travel Specifications in inches (mm)
Body
Size
Yoke Boss
Diameter
Stem Diameter
Standard Cage and Seat Ring Combinations
M-Form Plug
Taper Plug
Port Diameter
Rated Travel
Port Diameter
Rated Travel
1
2-13/16* (71)
3-9/16 (90)
5 (127)
1/2* (12.7)
3/4 (19.1)
1, 1-1/4 (25.4, 31.8)
1/4, 3/8, 1/2, 3/4, 1**
(6.4, 9.5, 12.7, 19.1, 25.4)
3/4 , 1***
(19, 25)
3/4 (19.1)
1 (25.4)
3/4 * (19)
1 (25)
2
3-9/16* (90)
5 (127)
3/4* (19.1)
1, 1-1/4 (25.4, 31.8)
1/4, 3/8, 1/2, 3/4, 1, 1-1/4
(6.4, 9.5, 12.7, 19.1, 25.4, 31.8)
3/4*, 1***
(19, 25)
3/4, 1, 1-1/4
(19.1, 25.4, 31.8)
1* (25)
1-1/8* (29)
*Standard Configuration
**Not available in Class 2500 bodies
***Flow Characteristic is slightly sacrificed
Table 1: Specifications
CVS Series DBAQ