Plastic Barbed One Way Non-Return Valve (Sprung)

All Prices Include FREE Delivery on orders over £4.95 and VAT. For orders under £4.95 please add 2nd class postage in Delivery Info Page.
 
One way valves 3mm

Plastic One Way Valve 3mm (To Fit Inside our 3mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 4mm

Plastic One Way Valve 4mm (To Fit Inside our 4mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 5mm

Plastic One Way Valve 5mm (To Fit Inside our 5mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 6mm

Plastic One Way Valve 6mm (To Fit Inside our 6mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 8mm

Plastic One Way Valve 8mm (To Fit Inside our 8mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 9mm

Plastic One Way Valve 9mm (To Fit Inside our 9mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 10mm

Plastic One Way Valve 10mm (To Fit Inside our 10mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

One way valves 12mm

Plastic One Way Valve 12mm (To Fit Inside our 12mm PVC Tube)

PACK SIZE
 
Available in packs of 1 to 5 -  This product is designed for a wide variety of applications where the flow of liquid or gas needs to only flow in one direction. Example uses include car windscreen washers systems. This product has been tested over many years.

For orders of more than 10 connectors of this size, please contact us by email for stock levels. To upgrade to 1st Class Post or Courier - Click Here:

These translucent, plastic, barbed one way valves are either sprung loaded or un-sprund (floating) & made from tough polypropylene.  They are suitable for a wide range of liquid and gas applications, where back-flow needs to be eliminated. 

Example uses include Windscreen Washer Fittings, Garden Water Pumps, Engineering, Air & many other DIY uses.  (It is the customers responsibility to ensure suitability and safety of use).

* Please note that designs may vary from the image in this listing

* Good UV Resistance

* The images are an accurate representation and shows all sizes listed. (All images within this multi-listing - © PVC Tube Online Ltd).  Please see the table below for full fitting dimensions and other data:

* Not certified for Food Contact Use

Sprung Valves Technical Info:

To Fit Tube 
(I.D. mm)

Minimum Barb Diameter (mm)    

Maximum Barb Diameter (mm)    

Bore Diameter(mm)

Fitting Length(mm)

Colour 

Material

Opening Pressure

Maximum Pressure

Valve Activation

3

3.0

4.4

2.1

32.5

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

4

4.2

5.8

3.0

36.3

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

5

4.9

6.1

3.1

41.6

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

6

5.2

6.6

3.9

44.6

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

8

8.0

8.5

6.0

38.5

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

9

9.8

10.4

8.0

45.3

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

10

9.8

10.4

8.0

45.3

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

12

11.3

12.5

9.0

38.7

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Valve Sprung Closed Zero Flow / Pressure

Un-Sprung Valves Technical Info:

To Fit Tube 
(I.D. mm)

Minimum Barb Diameter (mm)   

Maximum Barb Diameter (mm)   

Bore Diameter(mm)

Fitting Length(mm)

Colour 

Material

Opening Pressure

Maximum Pressure

Valve Activation

3

3.0

4.4

2.1

32.5

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate

6

Tapered 5.6

Tapered 6.7

3.8

43.1

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate

8

7.7

8.2

5.8

38.2

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate

9

9.8

10.4

8.0

45.3

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate

10

9.8

10.4

8.0

45.3

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate

12

11.3

12.5

9.0

38.7

Translucent

Polypropylene  

< 1.0 KP

43 PSI/0.3 MPA

Floating (Un-Sprung) / Requires Small Flow/Pressure to activate