BACKFLOW PREVENTERS BA BM
Drawing 2. Dimensions and weight
Backfl ow Preventer BA BM
Connections tailpieces (male)
Connection tundish (inside)
Built-in length excl. tailpieces
Built-in length incl. tailpieces
Height
Height
Height
Width
Weight, incl. tailpieces and tundish
Spare parts kits / Kit pièces de rechange / Ersatzteile / Reservedelensets /
Parti di ricambio / Kits de recambios (see drawing 1)
Module
BM015/020
6 +
O-ring/bolt cover
7 +
O-ring/bolt cover
8 +
O-ring/bolt cover + bolt M10
BM025/032
6 +
O-ring/bolt cover
7 +
O-ring/bolt cover
8 +
O-ring/bolt cover + bolt M10
BM040/050
6 +
O-ring/bolt cover
7 +
O-ring/bolt cover
8 +
O-ring/bolt cover + bolt M10
Flow curves
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0
Drawing 4.
units
R
inch
D
mm
L1
mm
L2
mm
H1
mm
H2
mm
H3
mm
W
mm
L
kg (approx.)
United Kingdom
France
voir documenta-
416020377
tion spécifi que
416020393
auprès de Watts
Industries France
416020359
416032377
416032393
416032359
416050377
416050393
416050359
DN15
EN12729
BM015-020
1
Flow [m3/h]
EN12729
015
020
025
½"
¾"
1"
32
32
40
122
122
157
201
201
252
168.5
168.5
238
103
103
156
65.5
65.5
82
53
53
76
1,2
1,2
2,7
Deutschland
Nederland
1511301
416020377
1511302
416020393
1511303
416020359
1511306
416032377
1511307
416032393
1511308
416032359
1511311
416050377
1511312
416050393
1511313
416050359
D
N
2
0
DN25
DN32
DN40
D
N
5
0
BM025-032
BM040-050
1
0
1
BM015-020
BM025-032
BM040-050
032
040
050
1 ¼"
1 ½"
2"
40
50
50
157
220
220
252
336
336
238
303.5
303.5
156
202.5
202.5
82
101
101
76
115
115
2,7
6,5
6,5
Italia
España
416020377
416020377
416020393
416020393
416020359
416020359
416032377
416032377
416032393
416032393
416032359
416032359
416050377
416050377
416050393
416050393
416050359
416050359
0
0