Samson 3276-D Mounting And Operating Instructions page 28

Design and principle of operation
Table 3-5: See Fig. 3-7 and Fig. 3-8 for dimensions and weights of Type 3276-R
Version
Actuator area [cm²]
Travel (mm)
Without handwheel
Weight With handwheel (top)
[kg]
With side-mounted hand-
wheel
Pneumatic connection (NPT)
General
Handwheel (top)
Side-mounted hand-
wheel
Dimen-
sions Actuator stem
(mm)
Housing connections
3-14
320R 330R
258
26
23
28
38
a
¼
(std)
a2 –
Ø D 254
H 405
Ø D 250
ht
H 231
ht
Ø D 300
hs
H 187
hs
¾-
Ø D
16 UNF 12 UNF
s
H 135
s
t 25
b
Ø D 75.1
b1
Ø D 116
b2
Ø D 140
b3
N 4
Screw M12x35 M12x35
Type 3276-R
350R
387 645
26 51
29 53
33 68
44 89
¼ ¼
½ ¾ · ½
292 384
447 691
250 500
231 389
300 500
187 285
1 -
1 /
8
M39x3 M39x3
160 190
18 18
75.1 75.1
116 116
140 140
4 4
M12x35 M16x60
350R 380R
1032
75
57 100
69 111
93 126
¼ ¼
¾ · ½ 1 · ¾ · ½ 1 · ¾ · ½
384 457
677 809
500 500
283 405
500 500
285 341
M39x3
200 260
30 30
107.1 107.1
140 140
184 184
4 4
M16x60 M16x60
EB 8318 EN
390R
127
118
132
144
¼
457
931
500
569
500
341
M39x3
280
30
107.1
140
184
4