Samson 3251-E - Page 25

EB 8052-E EN 3-9
Design and principle of operation
Table 3-3: Dimensions for Type3251-E
Valve NPS 3 4 6 8
Length L
Flanges acc.
to ANSI/
ISA-75.08.01
Raised face (RF)
in 13.3 15.5 20.0 24.0
mm 337 394 508 610
Ring joint face
(RTJ)
in 13.4 15.6 20.1 24.1
mm 340 397 511 613
H2
in 4.06 5.35 7.28 8.66
mm 103 136 185 220
H4
in 8.31 11.1 14.39 17.2
mm 211 283 365.5 437
H8 for
actuator
175 to 350cm²
in 9.45
– – –
mm 240
355 to 750cm²
in 9.45 18.9 16.5
–
mm 240 480 418
1000 to 1400-60 cm²
in 11.6 16.5
mm 295 418
1400-120 to
(2x) 2800-
120cm²
Travel
FA 30-75
FE 30-38
in 18.9 19.8
mm 480 503
Travel FE 30-38
in 21.1
– – –
mm 535
Travel
FA 90-120
FE 60-120
in
–
25.6
mm 651
H5
in 4.13±0.02 5.43±0.02 7.01±0.02 8.27±0.02
mm 105±0.5 138±0.5 178±0.5 210±0.5