ball valve Art. 520
-----------------
  B.R.V.bonetti rubinetterie valduggia
Loc. Molino Rastelli, 2 I-13018 VALDUGGIA (VC) ITALY
Tel. +39 0163 48062 - Fax +39 0163 48188
http://www.brv.it - email: info@brv.it

52 F

520


F/F full port ball valve in hot forged brass. Nickel plated.
PN 40. Max. 150°C.
End threaded to ISO 228 (DIN 259 BSP 2779).
Art. 52 F with steel T-handle.
Art. 520 with steel lever.
Sizes: from 1/2" up to 2"

WORKING PRESSURE
for saturated steam (+150°C) 5 bar
for water, oil and non aggressive fluids (+25°C) 40 bar

WORKING TEMPERATURE
Min. -20°C Max. +150°C

TEST PRESSURE
seal pneumatic test 6,5 bar


Dimensions
Dimensions
COMPONENTS MATERIAL-TREATMENT Q.
Handle
Nut
Stem
Packing gland
Stem O-ring
Tailpiece
Ball seals
Ball
Body
Steel; Dacromet plated; PVC covered
Brass P-CuZn40Pb2; Nickel plated
Brass P-CuZn40Pb2
Brass P-CuZn40Pb2
E.P.D.M. Peroxid
Brass P-CuZn40Pb2; Nickel plated
P.T.F.E.
Brass P-CuZn40Pb2; Chrome plated
Brass P-CuZn40Pb2; Nickel plated
1
1
1
1
2
1
2
1
1

Size 1/4" 3/8" 1/2" 3/4" 1" 1"¼ 1"½ 2"
A
B
C
D
F
G
CH
DN
Gr.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
58
16
100
46
50
38
26
15
236
66
17
100
49
50
41
32
20
343
76
19.1
120
62
60
47
40
25
545
89
21.4
120
67
60
52
49
32
830
101
23
157
85
-
-
55
40
1350
119
25.7
157
92
-
-
70
50
2320
M.Carton                
520
52
-
-
-
-
168
192
126
126
72
72
36
36
18
-
16
-
DOC. 04.02 19/12/02