The F.D.A publishes, through the code of Federal Regulations, standardized criteria which govern the acceptability of materials used in food contact. The U.S. Department of Agriculture publishes similar standards that mirror FDA criteria. Neither agency approves or disapproves products.
With the exception of the 50GP and 65GP Series products, most LinkTech couplings comply with applicable FDA and USDA standards. LinkTech utilizes general purspose O-rings in standard product lines. In most cases, choosing a standard optional o-ring creates FDA compliancy.
NSF International develops and publishes consensual criteria that govern the acceptability of materials and equipment used in food and beverage processing. LinkTech utilizes general purpose O-rings in standard product lines. In most cases, choosing a standard optional O-ring creates NSF compliancy.
With the exception of the 50GP and 65GP Series products, most LinkTech couplings are produced from materials that comply with most NSF standards for potable water and food contact applications.