Boiler house TDS blowdown controls
2
Dimensions (approximate) in mm (in)
C1
C
Pneumatic actuation
Electric actuation
2.4 16
B
B1
D
D
A
DN15 (½")
DN20 (¾")
DN25 (1")
DN32 (1¼")
DN40 (1½")
DN50 (2")
Size
ASME
PN
184 (7.2) 197 (7.8) 160 (6.3)
222 (8.7) 235 (9.3) 200 (7.9)
254 (10)
125
JIS/KS 10K
190.5 (7.5)
267 (10.5)
A
300
JIS/KS 20K
130 (5.1)
150 (5.9)
180 (7.1)
230 (9.1)
40
125
JIS/KS 10K JIS/KS 20K
392 (15.4)
421 (16.6)
416 (16.4)
B
300
40
125
JIS/KS 10K JIS/KS 20K
378 (14.9)
432 (17)
427 (16.8)
300
B1
40
230 (9.1)
C
170 (3.69)
300 (11.8)
C1
125
JIS/KS 10K JIS/KS 20K
42.5 (1.7)
57.0 (2.2)
54.5 (2.1)
65.5 (2.6)
76.5 (3)
84.5 (3.3)
D
300
40
TI-P403-102 EMM Issue 9
Page 10 of 12
BCV Blowdown Control Valves DN15 to DN50 (½" to 2")
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