Ductile iron “nozzle” check valves PN 64

Valvotubi Ind. noozle check valve PN 64 PN 64
Article: 119
Flanges: UNI EN 1092-2 PN 64
Design DIN 3356 Installation: horizontal / vertical / oblique
APPLICATIONS ° Water supply ° Heating – conditioning systems ° Pumping stations ° Industry

- Fig. 118E: PN 100

Epoxy paiting suitable for drinking water applications.

The “nozzle” check valves should be used in order to grant a good performance of the anti-hammer effect. These valves are nozzle type, they ensure a rapid, shock free closing before any change in the flow direction, and a noiseless operation, as well as low water losses thanks to their design. For this reason, “noozle” non return valves are suitable for both vertical, horizontal and oblique installation in those critical and severe pumps and compressor applications.

Materials
body ductile iron GGG40, EN-GJS-400-15
disc cast steel GS-C 25, GP-240-GH, or st.st.304
spring  stainless steel 304
stem  stainless steel 304
painting epoxy
DN H mm.   D mm. Weight kg.
 40  120  170  12
 50  120  180  12
 65  150  205  16
 80  180  215  16
 100  240  250  26
 125  300  295  46
 150  350  345  75
 200  400  415  125
DN Nominal Pressure Test pressure MPa Max working pressure MPa
mm BAR body seat 40°C
40-200 63 9,45 6,93 6,3