5.2 Dimensions
5.2.1 Dimensions of DMH 251, 252, 253 and 254 single-head pumps
All dimensions are in mm, except for the thread designations.
Pump model
A
B
DMH 251
345
336
DMH 252
345
336
DMH 253
368
335
DMH 254
436
492
5.2.2 Dimensions of DMH 251, 252, 253 and 254 double-head pumps
All dimensions are in mm, except for the thread designations.
Pump model
A
B
DMH 251
432
336
DMH 252
432
336
DMH 253
472
335
DMH 254
718
492
18
A
D1
K
F
M
C
C1
D
D1
97.5
14
192
G 5/8
97.5
14
192
G 5/8
97.5
14
192
G1 1/4
156
20
252
G1 1/4
A
D1
D2
K
F
M
C
C1
D
D1
97.5
14
192
G 5/8
97.5
14
192
G 5/8
97.5
14
192
G1 1/4
156
20
252
G1 1/4
D2
C2
D2
E
F
G
9
160
152
85.5
9
160
152
85.5
9
179
152
84
9
207
185
126
C2
K
D2
E
F
G
9
160
152
85.5
9
160
152
85.5
9
179
152
84
9
207
260
126
D
J
C
N
J
K
M
N
S
16
116
180
117.5
5.9
16
116
180
117.5
5.9
16
124
180
117.5
-
10
187
225
180
22
D
J
C
N
J
K
M
N
S
16
116
180
117.5
5.9
16
116
180
117.5
5.9
16
124
180
117.5
-
10
187
300
180
22
S1
-
-
5.4
-
S1
-
-
5.4
-