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Check valves
Used in-line as a non return valve to stop fluids flowing back through your system.

Inline check vales save priming your pumps
Which size valve
Click here to help you choose

Model BSP thread Metric* Price
HCV25 1" 25mm $39
HCV32 1 1/4" 32mm $50
HCV40 1 1/2" 40mm $62
HCV50 2" 50mm $80
HCV63 2 1/2" 63mm $124

*Approx BSP Equivalent

 

 
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  • Exceptional Flow - Move more water in less time.
  • Strong Non-Corrosive Materials - Body; High Quality Glass Fibre Reinforced Nylon, Diaphragm; Nitrile Rubber, Spring; Stainless Steel. All components of this valve manufactured from materials approved for use with potable (drinkable) water.
  • Inline Servicing - Removable cap - Easy access to all moving parts - Valve stays inline for servicing (if required).
  • No poppet valve to wear or jam - Smooth Flow.
  • Interchangeable Components - Diaphragm and Spring are Interchangeable Components used in the same size Foot Valve.
  • Fast Response Opening & Closing.
  • Operates at any angle.
  • Maximum Recommended Working Pressure - 10 Bar (1000 kPa. 145 PSI) @ 20C.
  • When screwing metal products into valve, do not over tighten. All pipe work must be adequately supported.

Valve Operation

Flow direction thru check valves   When flow stops it shuts off
Cross section shows valve in fully open position   Cross section shows valve in fully closed position
When fluid is required in the direction of flow, the diaphragm opens allowing exceptional flow. As the flow through the valve stops, the diaphragm closes preventing any return flow. The greater the back or head pressure, the better the diaphragm seals against the valve seat.

Features

Check valves Use the following flow chart and technical specifications to determine the correct Check Valve for your requirements
Check vale flow charts - Hansen

Maximum Recommended Working Pressure: @ 20C

VALVE CV25 CV32 CV40 CV50 CV63
psi 145 145 145 145 145
Bar 10 10 10 10 10
kPa 1000 1000 1000 1000 1000

Pressure required for initial flow:

VALVE CV25 CV32 CV40 CV50 CV63
psi 0.5 0.5 0.5 0.5 0.5
kPa 3.5 3.5 3.5 3.5 3.5

Flow required to fully open diaphragm:

VALVE CV25 CV32 CV40 CV50 CV63
l/min 110 142 158 225 330

Connection: female BSPT

VALVE CV25 CV32 CV40 CV50 CV63
Thread Size 1" 1 1/4" 1 1/2" 2" 2 1/2"

Dimensions: (mm)

VALVE CV25 CV32 CV40 CV50 CV63
Width 69 87 99 123 152
length 102 122 133 164 198
Height 74 94 106 132 180
Installation: Valve will operate at any angle.
Head Loss: See chart above.
Maximum operating temperature: 60C
(Degrees Celsius)
Note: All references to gallons are in imperial gallons.
 
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