Sharkfellow 3 PVC True Union Ball Check Valve with Full Port - Durable

In this review the Sharkfellow 3 PVC True Union Ball Check Valve is evaluated for installers and facilities managers who need a corrosion-free, service-free check valve for water systems. The reviewer found it especially useful where easy removal is required because the true union design lets the valve be taken out without disturbing the piping. It is aimed at commercial plumbing, pools, irrigation and aquarium use where a lightweight, nonmetallic valve rated for moderate working pressure is preferred over metal alternatives.

Key Features

• Application: Suitable for commercial plumbing, aquariums, irrigation, swimming pools and water parks where a PVC valve is desirable.
• Service Free: The valve operates without adjustments or settings, reducing ongoing maintenance work in installed systems.
• Corrosion Free: Constructed from PVC with EPDM seals so it will not rust or corrode and is less likely to seize in wet environments.
• Capacity: Rated for 200 PSI at 72F, giving a wide safety margin for many above-ground and light industrial water applications.
• True Union: Union joints allow for straightforward removal and replacement without breaking down the surrounding piping.

Who It's For

The Sharkfellow 3 PVC valve is best for plumbers, pool technicians and maintenance teams who need a nonmetallic check valve that is easy to remove and replace in situ, particularly on PVC piping systems. It is also a reasonable choice for OEM installs in equipment where corrosion resistance is important.

It is less suitable for systems where extremely quiet operation or absolute leak-free performance under dynamic pressure surges is critical; some users reported noise and intermittent sealing issues in higher turbulence conditions, so systems that demand near-silent or zero-leak performance may want a different style of check valve.

Pros & Cons

Pros

• Corrosion-free PVC body and EPDM seals resist rust and reduce the chance of jamming in wet environments.
• True union construction simplifies removal and service without cutting pipe, saving labor time.
• High working pressure rating of 200 PSI at 72F provides robust capacity for many commercial water uses.
• Easy to glue into standard PVC lines and straightforward for installers to fit.

Cons

• Some customers reported noise and the internal ball bouncing under certain flow conditions, which can be noticeable in quieter installations.
• There are occasional reports of leakage or inconsistent sealing, so it may require careful installation and appropriate system conditions to perform optimally.

Specifications

Product Name	Sharkfellow 3 PVC True Union Ball Check Valve
Size	3 in socket
Material	PVC body with EPDM seals
Design	True union full port ball check
Working Pressure	200 PSI at 72F
Finish / Color	Gray, corrosion-free
Applications	Commercial plumbing, aquariums, irrigation, pools, water parks, OEM

Our Verdict

The Sharkfellow 3 PVC True Union Ball Check Valve is a practical, value-minded pick for maintenance crews and installers who prioritize corrosion resistance and easy removal. It delivers strong build quality and a high working pressure rating, though users needing whisper-quiet operation or absolute leakless performance under turbulent flows should validate it in their system first.

Frequently Asked Questions

Can this valve be removed without cutting the pipe?
Yes; the true union design allows removal of the valve without breaking down the surrounding piping connection.

Is the valve suitable for pool and irrigation systems?
Yes; it is intended for commercial plumbing, swimming pools, irrigation and similar water applications where PVC construction is acceptable.

Does it require regular adjustment?
No; the valve is described as service free and operates without the need for continual adjustments or settings.