Samson 3241, Монтаж и эксплуатация

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EB 8012 EN 19
Design and principle of operation
Table 2: Dimensions of Type 3241 Valve, NPS 8 (DN 200) and larger
Valve
NPS 8 10 10 10 12
DN 200 250/cast iron
250
up to 200 mm
seat bore
250
seat bore 250
mm and larg-
er
300
Length
L
1)
Class 125
and 150
in 21.38 26.50 26.50 26.50 29.00
mm 543 673 673 673 737
Class 300
in 22.38 27.88 27.88 27.88 30.50
mm 568 708 708 708 775
H4
in 15.35 15.35 17.76 17.76 25.67
mm 390 390 451 451 652
H8
2)
for ac-
tuator
1000 cm²
1400-
60 cm²
in 16.46 16.46 16.46 19.80 19.80
mm 418 418 418 503 503
1400-
120 cm²
2800 cm²
in 19.80 19.80 19.80 25.59 25.59
mm 503 503 503 650 650
H2
in 9.65 10.63 12.20 12.20 14.57
mm 245 270 310 310 370
1)
Face-to-face dimensions according to ANSI/ISA 75.08.01
2)
H8 increases by 6.69“ (170 mm) for valves with C
V
290, 420 or 735 (K
VS
250, 360 or 630) and 60 mm rated
travel operating with overtravel
Table 3: Weights for Type 3241 Valve
Valve
NPS ½ ¾ 1 1½ 2 2½ 3 4 6 8 10 12
DN 15 20 25 40 50 65 80 100 150 200 250 300
Weight with-
out actuator
lbs 15 18 20 35 44 71 82 137 287 1096 1892 2535
kg 7 8 9 16 20 32 37 62 130 497 858 1150