Technical Specifications

21000 Series Control Valves Technical Specifications | 15
Direction: FLOW-TO-OPEN (FTO) Lo-dB
FLOW-TO-CLOSE (FTC) ANTI/CAV
Flow Characteristic: LINEAR
Single Stage Lo-dB / Anti-Cavitation Trim
Single Stage Cavitation Containment
C
v
and F
L
versus Travel
Percent of Travel 10 20 30 40 50 60 70 80 90 100
F
L
0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93
Valve Size
ASME
Rating
Orifice
Diameter
Travel
RATED C
V
Inch mm Inch mm Inch mm
0.75 20
150 -
2500
0.812 20.26
0.8 20.3
0.24 0.56 0.96 1.44 2.08 2.68 3.2 3.56 3.84 4
0.48 1.12 1.92 2.88 4.16 5.36 6.4 7.12 7.68 8
1 25
150 -
2500
0.812 20.26
0.8 20.3
0.24 0.56 0.96 1.44 2.08 2.68 3.2 3.56 3.84 4
0.48 1.12 1.92 2.88 4.16 5.36 6.4 7.12 7.68 8
1.5 40
150 -
2500
1.25 31.8
0.8 20.3
0.48 1.12 1.92 2.88 4.16 5.36 6.4 7.12 7.68 8
0.9 2.1 3.6 5.4 7.8 10.1 12.0 13.4 14.4 15
2 50
150 -
2500
1.25 31.8
0.8 20.3
0.48 1.12 1.92 2.88 4.16 5.36 6.4 7.12 7.68 8
0.9 2.1 3.6 5.4 7.8 10.1 12.0 13.4 14.4 15
1.625 41.3
0.8 20.3
1.5 3.5 6.0 9 13 16.8 20 22.3 24 25
2.00
1
50.8
0.8 20.3
1.8 4.2 7.2 10.8 15.6 20.2 24 26.8 28.8 30
3 80
150 -
1500
2.00 50.8
1.5 38.1
1.8 4.2 7.2 10.8 15.6 20.2 24 26.8 28.8 30
2.625 66.7
1.5 38.1 11.5 17.3 24.9 32.2 38.4 42.7 46.1 48
4.5 10.5 18 27 39 50.3 60 66.8 72 75
4 100
150 -
1500
2.00 50.8
1.5 38.1
1.8 4.2 7.2 10.8 15.6 20.2 24 26.8 28.8 30
2.625 66.7
3.8 8.8 15.1 22.7 32.8 42.2 50.4 56.1 60.5 63
3.50 88.9
6 14 24 36 52 67 80 89 96 100
6 150
150 -
600
5.00 127.0
2 50.4
9 21 36 54 78 101 120 134 144 150
12 28 48 72 104 134 160 178 192 200
8 200
150 -
600
6.25 157.8
2.5 63.5
18 31 65 98 120 161 196 228 263 290
Note:
1. 2 inch size valve with 2 inch (50.8mm) orifice diameter is only available with quick change trim for ASME Class 150 to 600.
2. The .75 and 1 inch valves with Cv 8 is available in quick change trim only.