Samson 3321CT, Mounting And Operating Instructions

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EB 8115 EN 3-5
Design and principle of operation
Type 3379 Pneumatic Actuator
Piston
Glass-fiber-reinforced polyamide
Stainless steel 1.4409 · A351 CF3M 1)
Dome (visual indica -
tor)
Polycarbonate
Bearing Polymer
Spring Spring steel
Gasket NBR
1)
For Ø150 piston
Type 3724 Positioner
Housing and cover Stainless steel 1.4409 · A351 CF3M
Transparent cover Polycarbonate
Table 3-3: Dimensions and weights
Table 3-3.1: Type 3321CT Valve
DN 15 20 25 32 40 50 65 80
NPS ½ ¾ 1 – 1½ 2 2½ 3
L
PN 16/40 mm 130 150 160 180 200 230 290 310
Class 150 in 1) 7.25 7.25 7.25 – 8.75 10 10.88 11.75
Class 300 in
1)
7.5 7.62 7.75 – 9.25 10.5 11.5 12.5
H1
mm 102 114 147
in
1)
4.02 – 4.49 5.78
H2
mm 44 72 98
in 1) 1.73 – 2.83 3.86
Weight
kg 5 6 7 11 12 16 28 32
lbs 1) 15 18 20 – 35 44 32 82
1)
ANSI specifications