Control systems Control valves
4
Spira-trol TM selection guide:
EN standard = DN125, DN150, DN200, DN250 and 300
Valve size
DN150
ASME standard = 6", 8", 10" and 12"
Valve series
K
K = K series 2-port control valve
E = Equal percentage
Valve characteristic
E
F = Fast opening L = Linear
A = ASME
Flange type
Blank
Blank = EN (PN)
Blank = under
Flow
Blank
T = over
4 = Carbon steel 6 = Stainless steel 7 = SG iron
Body material
4
Connections
3 = Flanged
H = Graphite P = PTFE V = PTFE for vacuum service
Stem sealing
4.1 55
P = Full PEEK (not available in DN300) T = 431 stainless steel W = 316L with stellite 6 facing
Seating
A1 = 1 stage anti-cavitation A2 = 2 stage anti-cavitation P1 = 1 stage low noise cage P2 = 2 stage low noise cage P3 = 3 stage low noise cage S = Standard trim
Type of trim
S
B = Balanced
Trim balancing
U
U = Unbalanced E = Extended S = Standard
Bonnet type
S
H = High temperature
Bolting
S
S = Standard
Finish Series
Blank = Standard
.2
2 = .2
Kvs
Kvs 370
To be specified To be specified
Connection type
Flanged PN40
Selection example: DN150 - K
E 4 3 P T S U S S
.2 -
Kvs 370 -
Flanged PN40
How to order Example: 1 off Spirax Sarco Spira-trol TM DN150 KE43PTSUSS.2 Kvs 16 two-port control valve having flanged PN40 connections.
TI-S24-73 CTLS Issue 4
Page 15 of 15
Spira-trol TM Two-port Control Valves K Series DN125 to DN300 and 6" to 12"
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