Cast steel swing check valves PN 16 & 25

Valvotubi cast steel swing check valve PN 16-25 art.192-193
Article: 192-193
Face to face length: EN 558-1 serie 48, DIN 3202 F6
Flanges: UNI EN 1092-2 PN 16 - 25
Installation: horizontal / vertical with down-up flow direction.
APPLICATIONS • Water supply • Pumping stations • Power stations • Industry • Steam • Oil & refineries
- Fig. 192: flanges drilled PN 16
- Fig. 193: flanges drilled PN 25

Epoxy painting suitable for potable drinking water applications

These swing check valves in cast steel PN 16 and 25 are manufactured with all parts in cast steel, and sealing seats in stainless steel. These swing check valves are installed for water, steam, gas, oil or whenever temperature doesn’t allow the cast iron valves.

 

Materials
body - cover cast steel GS-C25, GP-240-GH
swing cast steel GS-C25, GP-240-GH
body & disc seat facing  stainless steel
gasket  graphite
pin  stainless steel X 20 CR 13
painting  nitro enamel or epoxy
DN L mm. H mm. D mm. PN 16 / 25 Weight kg.
 50  200  110  165  13.5
 65  240  140  185  19.5
 80  260  145  200  25.5
100 300 160 220/235 34
 125  350  180  250/270  47.5
 150  400  195  285/300  63.5
 200  500  245  340/360  106.5
 250  600  285  405/425  185.5
 300  700  470  460/485  270
 350  800  520  520/555  380
 400  900  600  580/620  509
 500  1100  670  715/730  967
 600  1300  760  840/845  1507
DN Nominal pressure Test pressure Mpa Max working pressure Mpa
mm BAR body seat 150°C 400°C
50-600 16 2,4 1,76 13,7 0,9
50-600 25 3,75 2,75 2,14 1,44