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Mako Threaded Check Valves

Available Product Series

Mako ICS Series

Inline Stainless Check Valve

  • 316 Stainless
  • 6,000 PSI
  • 7-9 PSI Crack range

Mako ICB Series

Inline Brass Check Valve

  • Brass Body
  • 3,000 PSI
  • 7-9 PSI Crack range

Series Information

Mako inline ball check valves are made to perform with leak-free confidence.

If versatility, reliability, and durability are important to you when using threaded inline check valves for your applications, you’ll want to order your threaded check valves from Mako Products.

mako products
At Mako Products, we want to make sure you always get the highest quality when it comes to your valves, including your threaded inline ball check valves. We strive to provide the absolute best quality and features.

Our inline ball check valve is spring-assisted up to 1/2″, and poppet-style in 3/4″ and 1″. As a matter of fact, they’re ideal for virtually any of your valve needs, regardless of the type of liquid or gas, pressure, or temperature in your pipes.

Additionally, the high-quality seal our check valves have allows an extremely tight shutting off of gas and liquid to prevent leaks and is sure to meet the needs of even demanding applications. We will put our stainless-steel check valves up against any ball check valve manufacturers anywhere. The cracking pressure rating for our check valves is 7-9 PSI, with a working pressure rating of 6,000.

These valves are offered in 316 stainless steel and brass, with Viton, Aflas, or Buna O-rings.

The composition of our inline check valves include quality materials and they’re made up of a guard cage, valve disc, spring, retaining ring, and seal, you can use this flexible valve on its own or combine it with various pipe fittings to create a cohesive unit for pipelines or varying types of machinery.


Those who know valves know to come to Mako for a ball poppet check valve or any other kind of check valve because of our reputation for reliability and quality. We know how important our valves are to the companies that use them, and that’s why we strive to always provide superior customer service and make sure our customers are completely satisfied with every transaction.

We know you’ll agree that our valves and fittings are first-rate, and our customer service is top-notch. We stand behind that confidence with a 100 percent guarantee on every valve and fitting. Once you see how incredible our valves are, how reliable they are, and how easy they are to use, you’ll never feel the need to consider any other valve company than Mako Products. To start enjoying the reliability and quality of our incredible valves and fittings as soon as possible, submit your information with our contact form.


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Contact Info


13823 Santa Fe Crossings Dr Edmond, OK 73013

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E-mail Address

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Local: 405-509-2665
Toll Free: 1-844-200-MAKO (6256)


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