Control valves
Control valves
4.1.67
Fast opening
Linear
Equal percentage
Trim
DN32 DN40
DN50
DN65
DN80
DN100 DN125
DN150
DN200
DN250
DN300
Full port
Equal percentage
13
(15)
13
(15)
13
(15)
25
(29)
25
(29)
36
(42)
78
(90)
100
(116)
180
(208)
223
(258)
282
(326)
Full port
Linear
13
(15)
13
(15)
13
(15)
25
(29)
25
(29)
36
(42)
78
(90)
100
(116)
180
(208)
282
(326)
319
(369)
Reduction 1
Equal percentage and Linear
10
(11.6)
10
(11.6)
10
(11.6)
16
(18.5)
16
(18.5)
25
(29)
63
(73)
63
(73)
160
(185)
180
(208)
223
(258)
Reduction 2
Equal percentage and Linear
6.3
(7.3)
6.3
(7.3)
6.3
(7.3)
10
(11.6)
10
(11.6)
16
(18.5)
36
(42)
36
(42)
100
(116)
160
(185)
180
(208)
Reduction 3
Equal percentage and Linear
4
(4.6)
4
(4.6)
4
(4.6)
6.3
(7.3)
6.3
(7.3)
10
(11.6)
25
(29)
25
(29)
36
(42)
100
(116)
160
(185)
Reduction 4
Equal percentage and Linear
4
(4.6)
4
(4.6)
6.3
(7.3)
16
(18.5)
36
(42)
100
(116)
Reduction 5
Equal percentage and Linear
10
(11.6)
36
(42)
Model availability
This trim is available for the Spira-trol
TM
JE, JEA, KE, KEA,LE
and LEA.
Sizes
DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200,
DN250 and DN300.
Low noise 3 stage
balanced trim
1
Low noise 3 stage
unbalanced trim
4
3
3
2
4
5
5
Material
Reinforced exfoliated graphite
Graphite
CF8M
316L with stellite 6 facing
316L with stellite 6 facing / Full PEEK
3 stage low noise trim
Technical data
Trim design
Leakage
Rangeability
Hard facing
DN40 to DN50
DN65 to DN100
DN125 to DN300
Perforated
Class IV
50:1
20 mm
30 mm
70 mm
Travel
Typical flow characteristic curves
100
50
0
0
50
100
Valve opening %
Materials
No.
Part
1
Cage gasket
2
Plug seal
3
Cage retainer
4
Plug and stem
5
Seat ring
Kv (Cv US) values
For conversion: Cv (UK) = Kv x 0.963
Page 8 of 9
TI-S24-59 CH Issue 4
Balanced and Multi-stage Trim Options for Spira-trol
TM
Two-port Control Valves
F
l
o
w
%
