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Miniature Check Valves
Tadpole Range
Miniature Check Valves
Tadpole Range
Miniature Check Valves
Tadpole Range
Miniature Check Valves
Tadpole Range

The smallest, leak tight spring assisted check valve in the world

Our Tadpole Range of check valves and miniature check valves are engineered to the highest standards and offer end users unique solutions. Our miniature check valves offer practical solutions for applications where space is at a premium and reliability is essential. As a company who design and manufacture precision instruments, we realised that a new design of check valve was needed to meet our requirements, so we created our own.

Our Tadpole check valves are so unique that we hold patents on them. The design lets us fit the spring assisted non-return system within surprisingly small devices, which allows us to manufacture the smallest spring assisted check valve in the world. We are also able to design specific check valves to accommodate your individual requirements in a small order batch, typically 100 units.
Browse our range of check valves below to learn more about their unique attributes.

Our Range

Series 11740

1/8" or 3.2mm tube geometry

Series 11740

1/8" or 3.2mm tube geometry
Specification > CAD File > Video > Buy Online >

Series 12130

5/32" or 4mm tube geometry

Series 12130

5/32" or 4mm tube geometry
Specification > CAD File > Video > Buy Online >

Series 12110

Inline Check Valve 1/4-28 UNF x 2

Series 12110

Inline Check Valve 1/4-28 UNF x 2
Specification > CAD File > Buy Online >

Series 24040

5/32" or 4mm, 1/4-28 UNF X 2

Series 24040

Relief Valve, 5/32" or 4mm, 1/4-28 UNF X 1
Specification > CAD File > Video > Buy Online >

Series 11730

1/4" or 6.4mm tube geometry

Series 11730

1/4" or 6.4mm tube geometry
Specification > CAD File > Video > Buy Online >

Series 14010

Male Connector 1/4" NPT x 1/4 Tube Compression Fitting

Series 14010

Male Connector 1/4" NPT x 1/4 Tube Compression Fitting
Specification > CAD File > Video > Buy Online >

Series 11770

¼” C276 CHECK VALVE

Series 11770

Series 109510

1/4 Check Valve for High Pressure applications

Series 109510

1/4 Check Valve for High Pressure applications
Specification > CAD File > Video > Buy Online >

Series 124360

5/32 or 4mm MINIATURE CHECK VALVE

Series 124360

5/32 or 4mm MINIATURE CHECK VALVE
Specification > CAD File > Video > Buy Online >