Data Sheet

DandDAValves
D100039X012
Product Bulletin
51.2:D
March 2014
2
Specifications
Available Configurations
D: Globe valve with screwed-on bonnet, unbalanced
post-guided valve plug, screwed-in seat ring, metal
seat construction, and push-down-to-close valve plug
action
DA: Same as D valve except in angle configuration
(figure 1)
Valve Sizes and End Connections
(1)
See table 1
Maximum Inlet Pressures and Temperatures
(1)(2)
See table 2
Maximum Allowable Pressure Drops
(2)
Flow up: Capable of full rated pressure drops
Flow down: See table 3 for pressure drop limits for
ceramic trim
Shutoff Classification per ANSI/FCI 70-2
and IEC 60534-4
Standard: Class IV leakage
Optional: Class V
Material Temperature Capabilities
-46 to 232_C(-50to450_F)
Construction Materials
Body, Bonnet, and Trim: See table 4
Packing:
Standard:
J Single or J double PTFE V-ring packing
for pressure service
Optional: Double PTFE/Composition
Standard Gaskets: S 31600 (316 SST)
Flow Characteristic
Equal percentage
Flow Direction (see figure 1)
D: Flow up (through seat ring and past valve plug)
DA:
J Flow up (through seat ring and past valve plug)
or
J flow down (past valve plug and through seat
ring)
Flow Coefficients and Noise Level Prediction
See table 5 or Fisher Catalog 12
Port, Yoke Boss, Stem Diameters, and Rated Travels
See table 6
Approximate Weights
NPS 1: 34 kg (75 pounds)
NPS 2: 45 kg (100 pounds)
Options
J Lubricator/isolating valve J VTC (ceramic) Trim
with equal percentage characteristic (not available
with Micro-Flute trim)
J Tungsten Carbide trim (not
available with Micro-Flute trim)
1. EN (or other) ratings and end connections can usually be supplied; consult your Emerson Process Management sales office.
2. The pressure/temperature limits in this bulletin and in any applicable standard limitations should not be exceeded.
Contents
Features 1.....................................
Specifications 2................................
Tables
Valve Sizes, Port Diameters, and End Connections 3.
Rated Inlet Pressures and Temperatures 3.........
Flow Down Pressure Drop Limits-
Ceramic Trim Only 3........................
Materials for Standard Trim Constructions 3.......
Flow Coefficient
(C
v
at Maximum Valve Plug Travel) 4...........
Port, Yoke Boss, Stem Diameters,
and Rated Travel Specifications 4..............
Installation 5..................................
Ordering Information 5..........................
Dimensions 6..................................