Samson 3291, Translation Of Original Instructions

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3-6 EB 8072 EN
Design and principle of operation
Dimensions and weights
Dimensions in mm and inches · Weights in kg and pounds
Table 3-2: Dimensions for Type 3291
Valve NPS ½ 1 1½ 2 3 4 6 8
Length L
(Class 150)
Flanges RF/
welding ends
(schedule 80)
in
7.25 7.25 8.75 10.00 11.75 13.88 17.75 21.38
mm
184 184 222 254 298 352 451 543
Flanges RTJ
in
–
7.76 9.25 10.51 12.24 14.37 18.27 21.89
mm
197 235 267 311 365 464 556
Length L
(Class 300)
Flanges RF/
welding ends
(schedule 80)
in
7.50 7.75 9.25 10.50 12.50 14.50 18.62 22.38
mm
190 197 235 267 318 368 473 568
Flanges RTJ
in
7.95 8.27 9.76 11.14 13.15 15.12 19.25 22.87
mm
203 210 248 283 334 384 489 584
Length L
(Class 600)
Flanges RF/
welding ends
(schedule 80)
in
8.00 8.25 9.88 11.25 13.25 15.50 20.00 24.00
mm
203 210 251 286 337 394 508 610
Flanges RTJ
in
7.91 8.27 9.88 11.38 13.39 15.63 20.12 24.13
mm 201
210 251 289 340 397 511 613
Length L
(Class 900)
Flanges RF/
welding ends
(schedule 80)
in
8.50 10.00 12.00 14.50 15.00 18.00 24.00 29.00
mm
216 254 305 368 381 457 610 737
Flanges RTJ
in
8.5 10 12.01 14.61 15.12 18.11 24.09 29.13
mm
216 254 305 371 384 460 613 740
Length L
SL version acc. to
ANSI/ISA 75.08.07
Flanges RF
Class 150
to 600
in
–
8.5 9.5 11.5 14.0 17.0
–
mm
216 241 292 356 432
H4
Class 150 to 600
in
5.98 5.98 6.46 8.54 8.74 9.53 13.57 16.14
mm
152 152 164 217 222 242 337 410
Class 900
in
7.32 7.32 7.68 9.88 8.74 9.53 13.27 16.14
mm
186 186 195 251 222 242 337 410