Boiler house Blowdown vessels
2
Dimensions/weights (approximate) in mm (in) and kg (lb)
Standard key
'T' bar key
E
E
D
C
B
D
F
2.9 12
A
Valve size
Flange
A
B
C
D
E
F
Weight
125 (4.9) 165 (6.5) 165 (6.5) 130 (5.1)
119 (4.7) 119 (4.7) 119 (4.7) 130 (5.1) 130 (5.1) 130 (5.1) 131 (5.2) 131 (5.2) 131 (5.2)
35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4) 35 (1.4)
19 (0.75) 19 (0.75) 19 (0.75)
3.9 (8.6)
PN40 (F4)
4.1 (9)
DN25 (1")
PN40 BS
4.3 (9.5)
Class 300
25 (0.9) 25 (0.9) 25 (0.9) 30 (1.2) 30 (1.2) 30 (1.2)
5.3 (11.7) 5.7 (12.6) 5.5 (12.1) 6.7 (14.8) 7.1 (15.7) 8.0 (17.6)
PN40 (F4)
178 (7) 178 (7)
DN32 (1¼")
PN40 BS
Class 300
140 (5.5) 190 (7.5) 190 (7.5)
PN40 (F4)
DN40 (1½")
PN40 BS
Class 300
32 (1.3)
258 (10.2) 375 (14.8)
0.4 (0.9)
Standard length key
500 (19.7)
0.9 (2)
Extended length 'T' bar key
Dimensions/weights continued on next page
TI-P405-47 EMM Issue 3
Page 4 of 7
KBV21i and KBV40i Key Operated Boiler Blowdown Valve
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