Product Overview

5
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M/MR Series Literature
DIMENSIONS
Figure 2: MR410, MR410H-1, M411,
M420, M420H, M451
Figure 3: MR510, MR510H-1, M511,
M520, M520H, M551
Figure 4: MR610, MR610H-1, M611,
M620, M620H, M651
NOTE: Dimensions are to be used only as an aid in designing clearance for the valves.
Actual production dimensions may vary somewhat from those shown.
Model Number Swing Radius
Dimensions - Expressed in Inches (mm)
A B C D
MR410, MR410H-1, M411, M420, M420H, M451
3.1
(79)
3.9
(100)
2
(51)
2.5
(54)
0.9
(24)
MR510, MR510H-1, M511, M520, M520H, M551
4.3
(109)
5.3
(135)
3.25
(83)
3.4
(86)
1.2
(30)
MR610, MR610H-1, M620, M620H, M651
5.7
(145)
7.1
(180)
3.9
(99)
4
(102)
1.5
(37)
M611
6.2
(158)
7.7
(196)
3.9
(99)
4
(102)
1.5
(37)
MR212D, MR251D
8.1
(206)
10.2
(259)
7
(178)
5.5
(140)
2.3
(59)
MR212E, MR251E
8.6
(218)
11.25
(286)
9.1
(232)
8
(203)
3
(76)
MR212G, MR251G
10.4
(264)
14.75
(375)
13.5
(343)
11.75
(298)
4.6
(118)
MR212J (Not Shown Above) --
24
(610)
21.5
(546)
13.9
(352)
5.9
(149)
B
A
D
C
B
A
D
C
B
A
D
C
B
A
D
C
A
D
C
B
A
D
C
B
A
D
C
B
A
D
C
B
Figure 5 : MR212, MR251 (Same as MR212
except single by-pass)