DELOACH BLOG

How important are NSF/ANSI 61 standards for Water Treatment?

Posted by Anthony DeLoach, President on Jul 26, 2017 2:15:53 PM

FDA & NSF_ANSI 61 CertificationFollowing NSF/ANSI 61 Regulations when designing and selecting the materials for the manufacturing of water treatment equipment,

it is important to understand what regulatory standards or constructions standard may be required to be compliant. This includes the designing and fabrication of systems such as reverse osmosis utilizing membrane technology, decarbonation of Carbon Dioxide, degasification of Hydrogen Sulfide, and water filtration for the removal of micron particles from potable and non potable water processes.

One requirement that engineers and manufactures often encounter is called NSF /ANSI 61. NSF is an international and non profit, non governmental organization that is focused and dedicated to public health and safety as it relates to potable water systems and their components. NSF/ANSI 61 developed and established minimum requirements for the control of potential adverse human health effects from products and their components that contact drinking water.

DeLoach Industries Inc. manufactures multiple types of water treatment equipment and adheres to strict compliance with NSF/ANSI 61 standards with all of their manufacturing procedures and practices. This strict adherence assures owners that water treatment equipment like decarbonation and degasification towers, reverse osmosis and ion exchange that the equipment and its material are all in full compliance with the NSF/ANSI 61 requirements.

When manufacturing water treatment products from fiberglass material DeLoach Industries utilizes NSF/ANSI 61 resins within the fabricating process. This applies when utilizing either contact molded, or filament wound processes. In both applications when fiberglass resin is utilized with the entire component is manufactured with certified NSF/ANSI 61 resins or there is a suitable veil liner placed on the equipment or component that is in direct contact with the water. This variation is acceptable and often utilized to help reduce the cost of fabrication and the equipment for the customer.

When treating water to remove Hydrogen Sulfide or Carbon Dioxide the water comes into direct contact with the interior walls of either a decarbonation tower or a degasification tower. Both systems require the water to enter the tower and be directly exposed to either the fiberglass. Stainless steel, or carbon steel material. If the material of construction is not fiberglass then typically another type of NSF/ANSI 61 compliant liner will be utilized such as a rubber, polyuria, or epoxy material. For more information about following NSF/ANSI 61 requirements visit the DeLoach Industries website at www.DeLoachIndustries.com.

 

 

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Topics: water quality, water treatment, advanced treatment solutions, About DeLoach Industries, fabrication, contact molded process, hydrogen sulfide (H2S), Decarbonation, wastewater, carbon dioxide, decarbonator, H2S Degasifier, ansi61, nsf/ansi61

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