Check Valves & One-Way Valves

We offer a variety of one-way check valves for fluid as well as rollover valves for fuel cell vents.

Note: Part Nos. 3605, 3606, and FS TPV06 are the only valves we offer that are spring-loaded to stay closed at rest. All other valves shown here will only close when turned upside-down.

We also offer one-way and flapper valves for Fuel Cell Surge Tanks.

Part No.	Description	Price	Status
3605-Size	Check Valve, 1/2 NPT Female Ports	$28.99	In Stock
3606-Size	Low Pressure Flapper Valve, Male AN Fittings	$119.99 to $139.99 *	In Stock
3216	Fuel Vent Check Valve, In-Line for 3/8 inch Hose	$19.99	In Stock
FS ILVV06	Fuel Cell Vent Check Valve, In-Line, 6AN Male Fittings	$85.79	Not In Stock
FS ILVV08	Fuel Cell Vent Check Valve, In-Line, 8AN Male Fittings	$85.79	Not In Stock
FS ITVV06	Fuel Cell Vent Check Valve, 6AN Bulkhead Fitting	$47.99	In Stock
2522	Fuel Cell Vent Check Valve, 8AN Bulkhead Fitting	$47.99	In Stock
FS ITVV08-90	Fuel Cell Vent Check Valve, 8AN Bulkhead Fitting, 90 Degree	$77.99	In Stock
FS ITV100	Fuel Cell Vent Check Valve, Flange Mount for 1 inch Hose	$136.99	In Stock
FS TPV6	Fuel Cell Pressure Relieving Vent Valve, In-Line, 6AN Male	$134.99	Not In Stock
FS DV100	Fuel Safe Discriminator Valve, In-Line, 12AN Male Fittings	$273.99	In Stock