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Control systems Control valves
Spira-trol TM selection guide
Valve size
DN80
DN15 to DN300
J K L E F L
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
J series 2-port control valve K series 2-port control valve L series 2-port control valve
Valve series
K
Equal percentage Fast opening Linear
Valve characteristic
E
Blank A Blank T
EN ASME (ANSI)
Type of flange
A
Flow under Flow over
Flow
3 4 6 7 8 1 2 3 4
Cast iron Carbon steel Stainless steel SG iron Alloy steel Screwed Socket Welded Flanged Butt Welded
Body material
4
=
Connections
3
4.1 112
N P H D
PTFE / Nitronic bush PTFE Graphite Bellows / Graphite secondary seals 431 stainless steel Full PEEK seat PTFE soft seat 316L stainless steel 316L with stellite 6 facing Steam-Tight reversible PEEK seat
Stem sealing
D
T P G S W C
Seating
T
S P1 P2 P3 A1 A2
Standard trim Low noise cage 1 stage Low noise cage 2 stage Low noise cage 3 stage Anti-cavitation cage 1 stage Anti-cavitation cage 2 stage
Type of trim
P1
U B S E S H
Unbalanced Balanced
Trim balancing
B
Standard Extended high temperature
Bonnet type
S
Standard High temperature
Bolting
S
Blank N
Standard ENP coating
Finish
Series
.2
.2 = .2
Kvs (Cv)
Cv 58
To be specified
Connection type
Flanged ASME 300
To be specified
Selection example: DN80 - K E A
4 3 D T P1 B S S
.2 - Cv 58 - Flanged ASME 300
Available spares Balanced gasket set
Parts 1, 2
TI-S24-59 CTLS Issue 7
Page 14 of 14
Balanced and Multi-stage Trim Options for Spira-trol TM Two-port Control Valves
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