Control systems Desuperheaters
4
How to order Product Nominal Diameter
DA
DA
3
3
Code
Nozzle
Stroke (mm)
6A
²Cv = 0.19 ²Cv = 0.30 ²Cv = 0.45 ²Cv = 0.80 ²Cv = 1.20 ³Cv = 2.10 ³Cv = 3.18 ³Cv = 4.23 ³Cv = 5.40 ³Cv = 6.45 ³Cv = 8.10
²Kv = 0.16 ²Kv = 0.26 ²Kv = 0.39 ²Kv = 0.69 ²Kv = 1.04 ³Kv = 1.81 ³Kv = 2.75 ³Kv = 3.46 ³Kv = 4.67 ³Kv = 5.36 ³Kv = 7.00
40.90 40.90 40.90 54.10 54.10 72.40 80.30 80.30 84.80 84.80 84.80
6A1 9A1
6B 9B 6C 6D
Nozzle and Stroke (mm)
6A1
3C6D
6E
3C6E
9E
Code
Class (Steam and Water)
Standard
150 300 600 900
ASME 150 ASME 300 ASME 600 ASME 900
ASME B16.5 ASME B16.5 ASME B16.5 ASME B16.6
Class (Steam and Water) and Standard
150
4.8 31
PN40 PN63
PN40 PN63
EN1092-1 EN1092-1 EN1092-1 Standard
PN100 Code
PN100
Steam End Flange
Steam Connection
FR
FR
Raised Face
ASME B16.5/EN1092-1
¹RTJ Code
Ring Joint Face
ASME B16.5
Water End Flange
Standard
Water Connection
FR
FR
Raised Face
ASME B16.5/EN1092-1
¹RTJ Code WCB WC9 CF8M
Ring Joint Face
ASME B16.5
Body Material
ASME SA-216 Gr. WCB /EN 10213 GP240GH (1.0619) 4 ASME SA-217 Gr. WC9/EN 10213 G17CrMo9-10 (1.7379) 4 ASME SA-351 Gr. CF8M/EN 10213 GX5CrNiMo19-11-2 (1.4408) 4
Body Material
WC9
Flange
SOL
SOL
Integral
Trim Material
Temperature
Code
Plug and seat SS410 and Stellite
Trim Material and Temperature (◦C)
Stem
Seal Ring
Min.
Max.
1
0 °C (32 °F)
538 °C (1000.4 °F)
1
SS316
Inconel
Code
Actuator
Actuator
0 3
0
Pneumatic actuator with spring return
Pneumatic actuator with spring return and handwheel (available on request)
Code
Spring Range
Maximum Differential Pressure
Spring Range and Differential Pressure
C
C
2.07 bar to 3.45 bar (30 psi to 50 psi)
75 bar (1087.78 psi)
Notes: ¹ RTJ end flanges available on request, only for ASME 600 and ASME 900.
² Steam pipe: 6" (minimum)/24" (maximum) ³ Steam Pipe: 8" (minimum)/24" (maximum) 4 EN Material available for PN63 and PN100 only
TI-P605-10 TES Issue 5
Page 9 of 11
DA Series Variable Area Desuperheaters
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