Griswold Products

Reliable products that perform at the highest levels

For over 70 years, our history of experience shows our commitment to providing quality centrifugal pumps.

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Griswold Markets

Unmatched in technical capabilities

Griswold overcomes unique operational challenges for applications in the safest, most efficient and profitable way possible.

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Griswold® Certifications and Quality Standards

We know that our customers rely on us to provide them with the most dependable products possible. That's why we are so committed to quality and reliability. And we back up this commitment by providing products that meet or exceed a wide variety of industry certifications, including NSF50, CE and ATEX. Additionally, we are also proud members of the Hydraulic Institute (HI).

Facility Quality Standards

ISO 9001:2015 Quality Management System

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The Quality Management System of Griswold is registered to the ISO 9001:2015 standard through IAPMO SCB. Protocols, procedures and policies are in place assuring that you receive the high quality of service that only Griswold can provide. We are committed to being a valuable resource by providing you with specific pumping solutions.

ISO 14001:2015 Environmental Management System


The Environmental Management System of Griswold is registered to the ISO 14001:2015 standard through NSF. While Griswold has always been responsible in fulfilling its environmental obligations as a company, we have taken this commitment to the next level. The voluntary participation in this initiative will make us a better supplier to our customers and partner in the community while providing a healthier environment for our employees.

ISO 45001:2018 Occupational Health and Safety Management System


The Safety Management System of Griswold is registered to the ISO 45001:2018 standard through NSF. While Griswold has always been responsible in fulfilling its safety obligations as a company, we have taken this commitment to the next level. While voluntary, participation in this initiative allows us to create the best possible working conditions across our organization by identifying hazards and implementing controls to manage them in order to reduce workplace accidents and illness to cut related costs and downtime. In addition, participation provides better, safer working conditions for our staff and demonstrates compliance to our customers, suppliers and the public.

Certified Hydraulic Institute Test Lab

The Griswold testing facility is certified by the Hydraulic Institute’s Pump Test Lab Approval Program (PTLAP). PTLAP is designed to provide the opportunity to demonstrate compliance with established quality program, procedures, instrument calibration and pump testing to HI 40.6 Methods of Rotodynamic Pump Efficiency Testing.

Product Certifications



Griswold F Series pumps have been specially engineered and precision built to comply with the strict standards and procedures imposed by the NSF®. This means that every aspect of a Griswold F Series pump’s development – from extensive product testing and material analyses to unannounced plant inspections – is thoroughly evaluated before it can earn this certification.

CE Mark (Conformité Européenne - European Conformity)


Griswold has met the criteria for placing the CE mark on our product line. This CE certification is indicative of the Griswold pledge to provide our distributor network with all the requirements necessary to excel in a global economy.

ATEX (ATmosphere EXplosible)


Griswold complies with the applicable ATEX directives for explosive atmospheres. The safety of the European community is of utmost importance to us. We take responsibility for not only our products, but also for the supporting documentation and compliance of necessary directives.

Other Certifications

Material Certification

  • Declaration of Compliance with Order 2.1 - EN 10204:2004
  • Test Report 2.2 - EN 10204:2004 Chemical and Mechanical
  • Inspection Report 3.1 – EN 10204:2004 Chemical Only
  • Inspection Certificate 3.1 – EN 10204:2004 Mechanical Only
  • Inspection Certificate 3.1 – EN 10204:2004 Chemical and Mechanical

Non-Destructive Testing

  • PMI (Positive Material Identification)
  • Hydrostatic Case and Stuffing Box Test per ASME B73.1-2012
  • Impeller Balance per ISO 1940-1 Grade 6.3 or better
  • LPI (Liquid Penetrant Inspection)
  • Weld Certification