ball valve Art. 552
----------------- 		  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

552

Reduced port coupling ball valve for circulating pumps in hot forged brass. Nickel plated.
Coupling flange for 1" pumps.
Operating stem with screwdriver cut.
Brass nut of 1"1/2 and gasket available on demand.
PN 6. Max. 95°C.
End threaded to ISO 228 (DIN 259 BSP 2779).
Art. 552 size 1"1/4: male threaded end.
Sizes: 1" and 1"1/4

WORKING PRESSURE
for water, oil and non aggressive fluids (+25°C) 6 bar

WORKING TEMPERATURE
Min. -20°C Max. +95°C

TEST PRESSURE
seal pneumatic test 6.5 bar

Dimensions
Dimensions
COMPONENTS MATERIAL-TREATMENT Q.
Operating stem
Stem-seal O-Ring
Ball
Ball seals
Body
Tailpiece
 		Brass P-CuZn40Pb2; Nickel plated
E.P.D.M. Peroxid
Brass P-CuZn40Pb2; Chrome plated
P.T.F.E.
Brass P-CuZn40Pb2; Nickel plated
Brass P-CuZn40Pb2; Nickel plated
 1
1
1
2
1
1

Size 1/4" 3/8" 1/2" 3/4" 1" 1"¼ 1"½ 2"
A
B
C
CH
DN
Gr.
 -
-
-
-
-
-
 		-
-
-
-
-
-
 		-
-
-
-
-
-
 		-
-
-
-
-
-
 		49
15
44
37
20
230
 		49
15
44
37
20
270
 		-
-
-
-
-
-
 		-
-
-
-
-
-
M.Carton                
552
 -
 		-
 		-
 		-
 		180
 		180
 		-
 		-
DOC. 04.02 10/11/03