Samson 3251 - Page 28

3-8 EB 8052 EN
Design and principle of operation
Valve
NPS 8 10 12 14 16 20
DN 200 250 300 – 400 500
H8 for
actuator
1000cm²
in 16.46
On request
mm 418
1400-
60cm²
in 16.46
On request
mm 418
1400-
120cm²
in 19.80 19.80 25.59 25.59 25.59 25.59
mm 503 503
3)
650 650 650 650
2800cm²
in 19.80 19.80 25.59 25.59 25.59 25.59
mm 503 503
3)
650 650 650 650
2x2800cm²
in 19.80 19.80 25.59 25.59 25.59 25.59
mm 503 503
3)
650 650 650 650
H2 (NPS4
and larger
with foot)
Class150
in 9.84 12.21 14.57
On request
16.34
On request
mm 250 310 370 415
Class 300
to 600
in 10.63 11.82 15.35
On request
mm 270 300 390
Class900
in
On request
mm
Class1500
in
On request
mm
Class2500
in
On request –
mm
1)
NPS10, Class150 to 300: 17.40” or 442mm
2)
NPS10, Class600 to 900: 20.43” or 519mm
3)
H8= 25.59“ or 650mm with 250mm seat bore