When you need to get things sealed tight, such as pipes or hoses, then these ethylene propylene rubber (EPR) O-rings from Shanghai Chongfu are a great choice. These unique rubber rings have so many advantages that make them ideal for every job
EPR rings are stretchy and can snap right back to their initial form. That makes them perfect for plugging narrow areas and stopping leaks. Since they’re made of rubber, they are pretty flexible too, so they can stretch over all different types of shapes and sizes. EPR O-rings also resist temperature movement, so they won't crack or break when it gets really hot or really cold.
One of the best things about EPR O-rings is that you can expose them to higher temperatures, and they'll remain in shape and stay sturdy. This makes them ideal for things that, say, car engines or industrial machinery, which run hot, would want. The heat resistance of EPR O-rings ensures that nothing will escape it when the temperature begins to rise.

If you’re working outdoors, you require O-rings that can withstand whatever the elements may bring. For fieldwork, they are excellent because they are not impacted by things such as sunlight, rain, and wind. That does not necessarily mean they will break down or become damaged when faced with the elements. If you are operating a farm or managing your garden, EPR O-Rings from Shanghai Chongfu are your best option when you need an outdoor solution.

Although some jobs demand to be able to tolerate harsh chemicals without breaking down. EPR O-rings hold up against virtually any chemicals, so they’re ideal for messy jobs. EPR O-rings can help you keep it all sealed up tight and leaking nowhere, whether you are in a factory making things or in a chemical plant making things better.

O-rings made of EPR are also very good at resisting damage from ozone and weathering. This means that they will not to break down or become brittle when exposed to elements such as sunlight, rain or snow. Because EPR o-rings are so resilient, they can be long-lasting and keep everything sealed up for years. This makes them ideal for all sorts of work, fixing cars and sealing pipes and hoses.
Shanghai Chongfu Industry Co., Ltd. provides aggressive pricing while maintaining product quality. The company offers short shipping and delivery times, making it a reliable choice for customers who require quick turnaround times. Additionally, they ensure thorough inspection and testing of all products before shipment, ensuring that customers receive products in perfect condition.
The company utilizes top-tier raw materials, such as American DuPont PTFE, 3M (DYGON), and Daikin from Japan, to provide their diaphragms. This ensures stable, excellent quality that meets or exceeds industry standards. The company works closely with trusted manufacturers who employ advanced production equipment and rigorous testing instruments, enabling precise quality control throughout the supply chain.
Shanghai Chongfu Industry Co., Ltd. offers a wide range of diaphragm pumps and accessories, including parts for world-renowned brands such as Wilden, Sandpiper, Almatec, Yamada, Graco, Blagdon, and Veresmatic. Their product catalog includes diaphragms, valve seats, ball valves, air valve assemblies, center bodies, shells, manifolds, shafts, mufflers, and repair kits, providing customers with a comprehensive selection of parts and pumps for various industrial needs.
With over 13 years of experience in the diaphragm pump industry, the company has developed extensive expertise in the sale of AODD (Air Operated Double Diaphragm) pump parts. They specialize in offering high-quality, reliable pump components, ensuring that their products meet industry standards and exceed customer expectations.