Low-Pressure Check Valves

Struggling with check valves not designed for low-flow, low-pressure environments? Need a customized solution that fits your specific industry and application? Let the experts at Smart Products USA deliver low-pressure check valves tailored to your needs.

Having Any of These Issues?

• Cracking pressure is too high – Standard check valves need a certain cracking pressure for proper opening of the valve, creating flow restrictions in low-pressure applications
• Leakage and poor sealing – With the wrong check valves, the valve disc or ball might not seal tightly as intended because they need higher pressure differentials, leading to backflow leakage and contamination
• Inconsistent flow – Valve flutter or chatter, the repeated opening and closing of valves from low-flow rates, can create flow instability and shorten valve life
• Limited material and size options – Some companies box you in with their material and product offerings, eschewing custom solutions for off-the-shelf options that might not fit your needs
• Incompatibility with pumps and sensors – Valve resistance can lead to problems with suction and pressure drops, reducing efficiency and accuracy

By working with the industry leaders at Smart Products USA, you can avoid these problems and get the customized low-flow, low-pressure check valves you need to get the job done.

Find Low-Pressure Check Valves Perfect for Your Application

We supply several product lines of check valves, all featuring units that can be modified into millions of possible configurations to meet virtually any requirement or regulation. These include:

Series 100 Standard Cartridge Check Valves

• 1/4” to 3/4” size options
• 9+ options for plastic body materials
• 7+ options for O-ring materials
• Opening pressure ranges from 0.09 to 20 PSI
• Standard cartridge and manual relief bleed valve styles

Series 100 Specialty Cartridge Check Valves

• 1/8” to 5/8” size options
• 8+ options for plastic body materials
• 7+ options for O-ring materials
• Opening pressure ranges from 0.09 to 20 PSI
• Barbed, NPT, side-seal, and flanged styles

Series 200 NPT and Metric Check Valves

• 1/8” to 1/4” size options, along with metric M10 option
• 4+ options for plastic body materials
• 5+ options for O-ring materials
• Opening pressure ranges from 0.09 to 20 PSI
• Male NPT styles and metric options
• Compression tubing adapters available

Series 300 Modular Check Valves

• Mix and match end fittings
• 6+ options for plastic body materials
• 7+ options for O-ring materials
• Opening pressure ranges from 0.11 to 20 PSI
• Barbed, NPT, and other styles available

Series 500 Miniature Modular Check Valves

• 1/16” to 1/8” size options
• 4+ options for plastic body materials
• 5+ options for O-ring materials
• Opening pressure ranges from 0.09 to 20 PSI
• Flexible modular configurations with mix and match end fittings
• Barbed and Luer styles

Our available plastic body materials include:

O-ring materials include:

Check our pages linked above to see availability for specific products, or contact our team to ask about customization for our low-pressure check valves.

What Makes Smart Products Stand Out?

Choosing us for low-pressure check valves means benefiting from:

• Customized valves with precise opening pressures
• A valve temperature range of -40 °F to 400 °F
• Corrosion-resistant and FDA- and NSF-compliant materials
• Products suitable for both liquid and gas applications
• High-quality, economical products that undergo rigorous quality control via sampling and testing
• Products made in the USA with convenient national and international shipping

Not Sure Where to Start?

We want you to receive the low-pressure check valves ideal for your operations, so, if you’re unsure about your options, check:

• Our conversion chart PDF for accurate sizing
• Applications broken down by industry
• Use case examples from the many businesses we’ve worked with

Ready to Get Started? Contact Us

Let our team supply you with low-flow, low-pressure check valves that provide you with the reliable operation, consistent flow, and compatibility you need. Get in touch today to start planning a custom solution.