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UPVC FOOT VALVE MANUFACTURER

We provide the high-quality UPVC Foot Valves manufacturer & supplier in India. In what way does a vertical turbine pump maintain its priming pressures? Will gravity not take over after the pump is switched off and run all the water back into your tank once the pump is shut off. Learn how foot valves keep pumps primed and prevent them from harm in this article.

In a suction lift application, UPVC Foot Valve is located at the end of a pipeline. In addition to serving as a check valve, they also include a strainer attached to the open end of the valve.

The check valve has a spring-assisted check valve. Whenever a pump is turned on, the pump column’s tension varies, and the valve opens as a result. Whenever the pump is turned off, the valve responds by shutting once again. As a result, the pump will not lose prime every time it is turned off due to fluid leaking out of the pump column.

The VZ foot valve allows the passage of fluid in one direction only.

• Connection system for solvent weld and threaded joints
• No metal parts in contact with the fluid
• Piston with incorporated counterweight able to work with high intensity
fluid
• Limited pressure loss. Only minimum back pressure is required for the
hermetic seal
• Valve material compatibility (PVC-U) with water, drinking water and other
food substance conveyance according to current regulations
• Can be maintained with the valve body installed

Technical specifications
Construction Foot valve
Size range DN 10 ÷ 50
Nominal pressure PN 16 with water at 20 °C
Temperature range 0 °C ÷ 60 °C
Coupling standards Solvent welding: EN ISO 1452, EN ISO 15493, BS
4346-1, DIN 8063, NF T54-028. Can be coupled to
pipes according to EN ISO 1452, EN ISO 15493, DIN
8062, NF T54-016.
Thread: ISO 228-1, DIN 2999.
Reference standards Construction criteria: EN ISO 16137 EN ISO 1452, EN
ISO 15493
Test methods and requirements: ISO 9393
Installation criteria: DVS 2204, DVS 2221, UNI 11242
Valve material PVC-U
Seal material EPDM

FOOT VALVE

PRESSURE VARIATION ACCORDING TO TEMPERATURE

For water and non-hazardous fluids with regard to which the material is classified as CHEMICALLY RESIS-TANT. In other cases, a reduction of the nominal pressure PN is required(25 years with safety factor).


MINIMUM PRESSURE REQUIRED TO LIFT THE PISTON

DN 10 15 20 25 32 40 50
bar 0,008 0,008 0,009 0,014 0,017 0,018 0,021

MINIMUM SEALING PRESSURE (PISTON IN CLOSED POSITION)

The figures refer to the seals that
are not worn.

DN 10 15 20 25 32 40 50
mmH.2O 150 150 200 350 350 350 350

VZIV

Foot valve with male ends for solvent welding, metric series

d DN PN E H L L1 Z g Code
16 10 16 55 101 14 15 87 105 VZIV016E
20 15 16 55 103 16 18 87 120 VZIV020E
25 20 16 66 125 19 20 106 210 VZIV025E
32 25 16 75 150 22 24 128 350 VZIV032E
40 32 16 87 171 26 28 145 560 VZIV040E
50 40 16 100 187 31 34 156 760 VZIV050E
63 50 16 122 223 38 41 185 1340 VZIV063E

VZFV

Foot valve with BSP threaded female ends

R DN PN E H L Z g Code
1/2” 15 16 55 124 15 94 135 VZFV012E
3/4” 20 16 66 149 16,3 116,4 230 VZFV034E
1 25 16 75 175 19,1 136,8 390 VZFV100E
1” 1/4 32 16 87 200 21,4 157,2 620 VZFV114E
1” 1/2 40 16 100 209 21,4 166,2 860 VZFV112E
2 50 16 122 248 25,7 196,6 1520 VZFV200E

EXPLODED VIEW

  • 1 Body (PVC-U – 1)
  • 2 Piston (PVC-U – 1)
  • 3 End connector (PVC-U – 1)
  • 4 Union nut (PVC-U – 1)
  • 5 O-Ring (EPDM – 1)*
  • 6 Piston gasket (EPDM – 1)*
* Spare parts
The material of the component and the quantity supplied are indicated between brackets

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