-  7. Non return valves

NON RETURN VALVES VENTURI TYPE

MOD. 7211| PN 10/16  | DN  40-400| MOD. 7212| PN 25       | DN  40-300|
MOD. 7214| PN 40       | DN  40-200| MOD. 7216| PN 64       | DN  40-200|
Flanged non return valve, single block body.

MOD. 7221| PN 10/16  | DN 450-600|  MOD. 7222| PN 25       | DN  350-600|
MOD. 7224| PN 40       | DN  250-600| MOD. 7226| PN 64       | DN  250-300|
Flanged non return valve, body in two parts.

• Non return valve with shutter ogive and contrast spring designed to take the advantages of Venturi effect.

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NON RETURN VALVES BALL CHECK VALVE

MOD. 7320 PN 10    | DN  50 - 400 |
Flanged non return valve.

• Non return valve to be installed in pumping stations for clean or sewage water and viscous fluids.
• Full bore type, self cleaning ball. Low pressure drop and noiseless.
• Working temperature: 10° C - 70°C.

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NON RETURN VALVES DOUBLE PLATE WAFER CHECK VALVE

MOD. 7401| PN 10/16/25 | DN  40-1200|
Wafer valve short body to be installed between PN 10/16/25 and ANSI 150# flanges.

• Non return valve central axis double plate with good hydraulic performance against flow inversion.
• Short face to face connection, compactness and low weight: easy handling and installation.
• Body high quality epoxy powder coated (fusion bonded), minimum thickness 250 micron.

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