Samson 3256, Mounting And Operating Instructions

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3-6 EB 8065 EN
Design and principle of operation
Dimensions and weights
Table 3-2 and Table 3-3 provide an overview of the dimensions and weights of the standard
version of Type 3256 Valve. The lengths and heights in the dimensional drawing are shown
on page 3-7.
Dimensions in mm · Weights in kg
Table 3-2: Dimensions for Type 3256 Valve
Valve DN 15 25 40 50 80 100 150 200 250 300
Length L
(flanges and
welding ends)
PN 10 to 40 90 100 115 125 155 175 225 275
On request
PN 63 to
160 105 115 130 150 190 215 275 325
PN 250 115 130 150 175 225 260 350 400
PN 320 115 130 150 175 225 260 350 400
PN 400 127
1)
150
1)
189
1)
222
1)
285
1)
333
1)
454
1)
On
re -
quest
Height H4
PN 10 to
160 134 129 129 175 160 170 210
On
re -
quest
PN 250 to
400 175 170 170 221 242 296 371 547
H8 for actuator
350 cm² 240 240 240 240 240 240 –
355 cm² 240 240 240 240 240 240 418 –
700 cm² 240 240 240 240 240 240 418 418 –
750 cm² 240 240 240 240 240 240 418 418 418 –
1000 cm²
–
295 295 295 418 418 418 –
1400-60 cm² 295 295 295 418 418 On request
1400-
120 cm²
480 480 480 503 503 503
2)
650
2800 cm² 480 480 480 503 503 503 2) 650
2 x 2800 cm² 480 480 480 503 503 503 2) 650
1)
Face-to-face dimensions according to SAMSON standard
2) H8 = 650 mm with 250 mm seat bore