Control systems Control valves
4
Spira-trol TM selection guide:
DN15, DN20, DN25, DN32, DN40, DN50, DN65*, DN80, DN100, DN125, DN150, DN200
EN
standard=
Valve size
DN25
ASME standard = ½", ¾", 1", 1¼", 1½", 2", 2½", 3", 4", 5", 6" and 8"
Valve series
J
J = J series 2-port control valve
E = Equal percentage
Valve characteristic
E
F = Fast opening L = Linear
Blank = EN (PN)
Flange type
Blank
A = ASME
Blank = under
Flow
Blank
T = over
4 = Carbon steel 6 = Stainless steel 8 = Alloy steel
Body material
4
1 = Screwed
2 = Socket weld 3 = Flanged 4 = Butt weld
Connections
3
4.1 15
H = Graphite
N = PTFE and Nitronic bearing (Available for DN15 to DN50 size range only) P = PTFE V = PTFE for Vacuum
Stem sealing
P
G = PTFE soft seat
K = PEEK soft seat P = Full PEEK S = 316L stainless steel (Available for DN15 to DN100 size range only) T = 431 stainless steel W = 316L with stellite 6 facing
Seating
T
A1 = 1 stage anti-cavitation A2 = 2 stage anti-cavitation P1 = 1 stage low noise trim P2 = 2 stage low noise trim P3 = 3 stage low noise trim S = Standard trim
Type of trim
S
B = Balanced U = Unbalanced E = Extended S = Standard
Trim balancing
U
Bonnet type
S
Bolting Series
S
S = Standard
0.2
2 = .2
Kvs
Kv 10
To be specified
Connection type Flanged PN63 * Please note: The PN63 flanges for the JE43 sizes have 4 bolt holes as standard; 8 bolt holes are available on request. Selection example: DN32 - J E43PTSUSS.2 - Kv 16 - Flanged PN63 How to order Example: 1 off Spirax Sarco Spira-trol TM DN32 JE43PTSUSS.2 Kv 16 two-port control valve having flanged PN63 connections. To be specified
TI-S24-60 CTLS Issue 7
Page 15 of 15
Spira-trol TM Two-port Control Valves EN Standard JE, JF and JL DN15 to DN200 and ASME Standard JEA, JFA and JLA ½" to 8"
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