EB 8052 EN 3-5
Design and principle of operation
Dimensions and weights
The weights specied apply to a specic
standard device conguration. Weights of
other valve congurations may differ de-
pending on the version (material, trim etc.).
Table 3-1 to Table 3-4 provide an overview
of the dimensions and weights of the stan-
dard version of Type3251/3251-AM Valve.
The lengths and heights in the dimensional
drawings are shown on page3-9.
Dimensions in mm · Weights in kg
Table 3-1: Dimensions of Type3251/3251-AM Valve, up to NPS6
= Versions available for Type3251-AM (restricted range for Type3251-AM)
Valve
NPS ½ 1 1½ 2 3 4 6
DN 15 25 40 50 80 100 150
Length L
(anges RF
and weld-
ing ends)
Class150
in 7.25 7.25 8.75 10.00 11.75 13.88 17.75
mm 184 184 222 254 298 352 451
Class300
in 7.50 7.75 9.25 10.50 12.50 14.50 18.62
mm 190 197 235 267 318 368 473
Class600
in 8.00 8.25 9.88 11.25 13.25 15.50 20.00
mm 203 210 251 286 337 394 508
Class900
in 8.50 10.00 12.00 14.50 15.00 18.00 24.00
mm 216 254 305 368 381 457 610
Class1500
in 8.50 10.00 12.00 14.50 18.50 21.61 27.75
mm 216 254 305 368 470 549 705
Class2500
in 10.38 12.12 15.12 17.75 22.75 26.50 36.00
mm 264 308 384 451 578 673 914
Height H4
Class 150
to 600
in 5.98 5.98 6.46 8.54 8.74 9.53 12.36
mm 152 152 164 217 222 242 314
Class900
in 7.32 7.32 7.68 9.88 8.74 9.53 12.36
mm 186 186 195 251 222 242 314
Class 1500
to 2500
in 7.32 7.32 7.68 9.88 11.34 13.7 18.35
mm 186 186 195 251 288 348 466