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Check Valves and Miniature Check Valves

Our Tadpole range of high-quality, patented check valves and miniature check valves includes the smallest spring assisted check valve in the world. Application areas include Instrumentation and Medical Devices. Browse our selection below.

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Male Connector Check Valve

A check valve integrated into a male connector in 316 stainless steel - ideal for gas manifolds and sub assemblies. Male Connector, 1/4" NPT - 1/4 OD Compression fitting, 0.1 barg cracking pressure.

PART NUMBER: 14010-316-0.1BARG-FKM

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1/4" Plain Tube Check Valve

A new concept in check valve design - a 1/4” tube or 6.4mm, thirty-five millimeters long. Its single tube 316 stainless steel construction allows for a variety of end connections - designed for use with compression fitting. For volume purchases, it can be regarded as a disposable item. Use with 1/4" compression fittings e.g. Swagelok

PART NUMBER: 11730-316-0.1BARG-FKM

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4.0mm Plain Tube Check Valve

Ultra miniature check valve - 5/32" or 4.0mm OD in 316 Stainless Steel. Tube geometry allows for a variety of applications. Suitable for systems with very tight space constraints. Plain tube geometry.

PART NUMBER: 12130-316-0.1BARG-FKM

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1/8" Plain Tube Check Valve

Smallest spring assisted check valve in the world. Ultra miniature check valve - Only 1/8" OD (3.2mm) in 316 Stainless Steel. Tube geometry allows for a variety of applications. Suitable for systems with very tight space constraints.

PART NUMBER: 11740-316-0.6BARG-FKM

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Standard 1/4-28 Inline Check Valve (in PEEK)

This low cost, miniature inline check valves is the perfect solution for inline applications with 1/4-28 Unified Connections. FFKM O rings for excellent chemical resistance. (Alternative versions and seal materials are available.)

PART NUMBER: PART NUMBER: 12110-PEEK-0.1BARG-FFKM

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1/4" Plain Tube Check Valve (in PEEK)

A new concept in check valve design - a 1/4” tube or 6.4mm, thirty-five millimeters long. Its single tube Peek construction allows for a variety of end connections - designed for use with compression fitting. For volume purchases, it can be regarded as a disposable item. Use with 1/4" compression fittings e.g. Swagelok, Parker etc

PART NUMBER: PART NUMBER: 11790-PEEK-0.1BARG-FKM [No stock]