BOA
R
-R
3
Dimensions
Angle pattern
Straight-way pattern
h
1
l
1
d
3
k
D
C
h
2
l
2
l
2
d
3
k D
C
Dimensions
(mm)
Weight
(kg) approx.
Straight-way
pattern
Angle
pattern
PN
DN
I
1
I
2
h
1
h
2
D
ø
k
n x d
3
C
kg
kg
6
1
)
15
130
--
50
--
95
55
4 x 11
14
2.3
--
JL1040
20
150
--
60
--
105
65
4 x 11
16
3.5
--
25
160
--
65
--
115
75
4 x 11
16
4.0
--
32
180
--
85
--
140
90
4 x 14
18
6.9
--
40
200
--
90
--
150
100
4 x 14
18
8.0
--
50
230
--
95
--
165
110
4 x 14
20
10.5
--
65
290
--
120
--
185
130
4 x 14
20
16.8
--
80
310
--
130
--
200
150
4 x 19
22
22.0
--
100
350
--
155
--
220
170
4 x 19
24
32.5
--
125
400
--
175
--
250
200
8 x 19
26
52.0
--
150
480
--
195
--
285
225
8 x 19
26
72.0
--
200
600
--
245
--
340
280
8 x 19
30
123.0
--
16
15
130
90
50
25
95
65
4 x 14
14
2.3
2.2
JL1040
20
150
95
60
35
105
75
4 x 14
16
3.5
3.2
JS1025
25
160
100
65
35
115
85
4 x 14
16
4.0
4.1
32
180
105
85
50
140
100
4 x 19
18
6.9
6.9
40
200
115
90
50
150
110
4 x 19
18
8.0
8.0
50
230
125
95
60
165
125
4 x 19
20
10.5
10.2
65
290
145
120
70
185
145
4 x 19
20
16.8
16.1
80
310
155
130
75
200
160
8 x 19
22
22.0
19.5
100
350
175
155
95
220
180
8 x 19
24
32.5
30.3
125
400
200
175
105
250
210
8 x 19
26
52.0
45
150
480
225
195
110
285
240
8 x 23
26
72.0
64.5
200
600
275
245
140
340
295
12 x 23
30
123.0
108
250
730
325
295
150
400
355
12 x 28
32
200.0
170
300
850
300
335
185
460
410
12 x 28
32
310.0
262
350
2
)
980
--
335
--
520
470
16 x 28
36
357.0
--
1
) Pattern of drilled holes to PN 6 (dimensions k and nxd); however, flanges dimensioned to PN 16 (dimensions D and b). Please take this into
account when selecting the flange connecting bolts.
2
) DN 350 only in EN-GJS-400-18-LT
Installation instructions
Observe direction of flow and integral direction arrow.
For opening, a minimum pressure is required. If this pressure
is not attained, the installed closing spring can be removed.
Valves without a closing spring can only be installed upright in
horizontal pipelines.
Minimum opening pressures
(bar)
DN
15-50
65-150
200-350
With spring
0.250
0.200
0.150
Without spring
0.025
0.016
0.022
Connection dimensions -- Standards:
Flanges:
DIN EN 1092--2, type of flange 21 -- JL1040
type of flange 21-2 -- JS1025
Raised faces: DIN EN 1092--2, type B
Face-to-face dimension:
Straight-way pattern: EN 558/1
ISO 5752/1
Angle pattern:
EN 558/8
ISO 5752/8
