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Your Trusted Partner for Water Treatment Solutions
For over half a century, Guardian Environmental Products has stood at the forefront of water and wastewater treatment technology. Our expertise in rectangular clarifiers originates from pioneering work with chain and flight systems, evolving through material advancements to today's non-metallic and stainless steel solutions. We address industry challenges by developing the patented TROLL collector system, crafted through decades of solving design failures and compatibility issues. Collaborating directly with end users and consulting engineers ensures tailored solutions that meet specific facility needs. As a nationally recognized supplier, we offer the industry's broadest material options while maintaining NSF-61 and NSF-372 certifications - a unique combination eliminating biased material limitations.

Our active participation in WEFTEC demonstrates ongoing commitment to industry education and innovation. This heritage positions us to deliver unbiased, engineered solutions that prioritize long-term system reliability over short-term product sales. With manufacturing capabilities matching our extensive retrofit history, we address both new installations and legacy systems across municipal and industrial applications.
Services
TROLL collector systems DAF systems Scum pipes Retrofit parts Control systems NSF-certified equipment
Highlights and features
  • We offer 50+ years of specialized experience with rectangular clarifiers
  • Our NSF-61 and NSF-372 certifications ensure material compliance standards
  • We provide unbiased material selection for optimal system longevity
  • Our patented TROLL collector system solves legacy design compatibility issues
  • We maintain the industry's broadest retrofit capabilities for all clarifier brands
Associations and certifications
  • NSF-61
  • NSF-372
Services
TROLL collector systems
Our TROLL collector systems provide advanced wastewater treatment through patented mechanical designs. These systems optimize solids separation in rectangular clarifiers using corrosion-resistant materials. With decades of field experience, we've engineered reliable solutions that address common failures in legacy systems while meeting NSF certification standards.
DAF systems
Guardian's DAF systems enhance water clarification through microbubble technology. Our designs improve contaminant removal efficiency in industrial and municipal applications. Backed by 50 years of engineering expertise, these systems integrate seamlessly with existing treatment processes while maintaining regulatory compliance.
Scum pipes
Our scum pipes facilitate effective surface debris removal in clarifier operations. Constructed from durable materials, these components prevent clogging and maintain system efficiency. Each design incorporates lessons learned from decades of retrofitting aging infrastructure across the United States.
Retrofit parts
Guardian provides retrofit solutions for all major rectangular clarifier designs. Our replacement components extend system life while improving performance. This service leverages our 50+ years of field experience to solve compatibility issues with existing infrastructure across various manufacturers' equipment.
NSF-certified equipment
We manufacture equipment meeting NSF-61 and NSF-372 certification requirements. This ensures water treatment components meet strict public health standards. Our dual certification uniquely positions us to offer material options without compromising regulatory compliance for municipal and industrial clients.
Questions
What industries do you serve with your treatment systems?
We primarily serve municipal wastewater facilities and industrial clients with water treatment needs across the United States.
Do you provide both new installations and retrofit solutions?
Yes, we offer complete system installations plus retrofits for existing clarifiers from all manufacturers.
What makes your TROLL collector system different?
Our patented TROLL system solves common design flaws in traditional chain and flight collectors through mechanical innovations.
Are your products certified for drinking water applications?
Yes, we maintain both NSF-61 and NSF-372 certifications for materials used in potable water systems.
Do you attend industry conferences for networking?
We actively participate in WEFTEC national shows and various state-level water industry events annually.
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