APSOseal® O-Rings

About this product

Overview brochure of our o-ring assortment

Thanks to their simple geometry and high sealing effectiveness, O-rings have established themselves as preferred sealing elements in all branches of industry for more than a century now. Angst + Pfister’s wide assortment of O-rings covers the full spectrum of standard applications while presenting an excellent price-performance proposition. In addition, Angst + Pfister also supplies optimum sealing solutions even for highly specialized deployment areas. Angst + Pfister is constantly expanding its O-ring assortment in its successful mission to address increasingly demanding specifications with regard to media and temperature resistance.

The Angst + Pfister Group, drawing on its 90 years of experience in sealing technology, has made it its mission to provide customers with skilled and solution-minded advisory support. Our experienced application engineers assist customers in • defining the right material, • optimally designing the groove, and • optimizing assembly.

For out-of-the-ordinary applications, the specialists at Angst + Pfister develop customized solutions. If needed, they can specify and produce materials precisely tailored to the application at hand or, where appropriate, can also propose alternative solutions to customers.

Our standard assortment of O-rings encompassing well beyond 10,000 different dimensions in four quality grades and a wide range of materials already covers most application requirements. This, coupled with our ability to procure customfabricated O-rings, makes Angst + Pfister the ideal partner to help you consolidate your supplier base or to optimize your inventory carrying costs while ensuring maximum supply security and quality.

O-rings in four quality grades – the right solution for every application

NORMATEC® O-rings Good industrial-grade quality at advantageous prices. Black and green O-rings in NBR Shore A 70 and 80 as well as in FKM Shore A 75 are available under Angst + Pfister’s proprietary NORMATEC® brand.

HITEC® O-rings Premium-quality O-rings, available with approval and conformity certifications. The HITEC® brand offers you a variety of materials and dimensions to choose from.

High Performance O-rings For the most demanding specifications for sealing effectiveness, even under elevated or even extraordinary chemical and thermal influences. With their special materials and material combinations, highperformance O-rings stand out for their exceptional resistance properties.

Precision O-rings O-rings can be custom-designed to exactly meet individual customer requirements with regard to dimensions, material, color and even pricing.

The NORMATEC® line encompasses good industrial-grade O-rings that meet standard specifications. NORMATEC® O-rings are high-quality sealing elements specially conceived for high-volume applications. Our powerful network of efficient state-of-the-art manufacturers in Europe and Asia results in a very good price-performance proposition for our customers. Depending on O-ring grade and dimension, multiple manufacturers are authorized to produce NORMATEC® O-rings in accordance with Angst + Pfister product specifications.

Advantages of employing NORMATEC® O-rings: • Designed for the medium performance category. • Ideal for high-volume applications. • Very extensive supply range of standard O-rings made of FKM and NBR. • Deliverable in a variety of special materials. • Wide range of available molds for special dimensions. • Tolerances and surfaces are spot checked in accordance with a random sampling schedule pursuant to DIN ISO 2859 AQL 2.5, test level III. • Packaged in black plastic envelopes for protection against harmful light. • Attractive price-performance proposition.

Left: Herbicide sprayer – leak-tight thanks to NORMATEC® O-rings. Right: O-rings can also be found in electrical equipment such as drills.

Source: Angst+Pfister brochure "APSOseal® O-Rings", https://www.angst-pfister.com/dam/jcr:976bf470-a899-41d3-8359-ed7cfe202971/APSOseal O-Rings EN_comp.pdf