This collection groups 304 and 316 stainless steel check valves selected for chemical metering and dosing-pump systems. It includes several check-valve forms and connection types. Match the valve type, connection, body material, and seal to the specific pump, line, and media, and confirm compatibility against the manufacturer data.
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1/4 in. Stainless Steel Female x Female Spring Check Valve -
Dual Check Valve, 1/4 in. Female NPT x 1/4 in. Male NPT, 304 Stainless Steel -
3/8 in. Barrel Spring Check Valve -
Single Check Valve, 3/8 in. Female NPT x 3/8 in. Male NPT, 304 Stainless Steel -
1/2 in. Barrel Spring Check Valve -
1/2 in. Stainless Steel Male x Female Spring Check Valve -
3/4 in. 316 Stainless Steel Swing Check Valve -
3/4 in. Stainless Steel Y Spring Check Valve -
1-1/2 in. Barrel Spring Check Valve
What is grouped here
The collection includes barrel-spring, inline, Y-pattern, swing, and dual-check forms. These products also appear in their applicable material and style collections. Confirm the material, connection, rating, and construction on each product page.
Selecting for your pump
Match the connection, body material, seal, pressure rating, and permitted orientation to your pump and media. The metering pump check valves guide covers this group, and the Buna vs. Viton overview discusses seal selection. To confirm compatibility for a specific chemical or pump, email sales@apexflowsolutions.com so it can be checked against manufacturer data.