High quality NBR HNBR FKM FFKM EPDM Silicone rubber o rings
Product introduction
Rubber O-rings stand as the unsung heroes of industrial sealing, delivering reliable, cost-effective performance across the oil and gas and pump machinery sectors. Engineered to create airtight and watertight barriers in dynamic and static applications, these small but mighty components are critical for preventing leaks, reducing downtime, and extending the lifespan of heavy-duty equipment.
In the oil and gas industry, rubber O-rings face extreme operating conditions—from high-pressure wellheads and drilling rigs to pipeline systems and refinery processing units. Manufactured from durable elastomers like nitrile (NBR), fluorocarbon (FKM), and ethylene propylene diene monomer (EPDM), they resist harsh chemicals, fluctuating temperatures (-40°F to 500°F), and abrasive fluids common in upstream exploration and downstream refining. Whether sealing hydraulic connections in fracturing equipment or isolating corrosive hydrocarbons in storage tanks, O-rings ensure operational safety and compliance with strict industry standards, minimizing the risk of environmental spills and costly equipment failures.
For the pump machinery sector, rubber O-rings play a pivotal role in maintaining the efficiency of centrifugal pumps, positive displacement pumps, and submersible pumps. They seal shaft housings, impeller chambers, and valve connections, preventing the leakage of pumped media such as water, wastewater, and industrial slurries. Their flexibility allows them to adapt to minor misalignments and vibrations, ensuring consistent performance even in continuous-duty applications. Selecting the right O-ring material is key: NBR is ideal for petroleum-based fluids, while EPDM excels with water and steam, making these components versatile for municipal water treatment plants, agricultural irrigation systems, and industrial manufacturing facilities.
As a core component in both industries, rubber O-rings are valued for their easy installation, low maintenance, and cost efficiency compared to alternative sealing solutions. For businesses prioritizing reliability and longevity, choosing high-quality O-rings tailored to specific operating conditions is non-negotiable—whether for oilfield operations or pump system maintenance.
Shanghai qinuo industry can provide various sizes and colors rubber o ring. And we can provide custom service. If you need rubber o ring, welcome to contact us!
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Company and factory introduction
Shanghai Qinuo Industry Co., Ltd was established in the year of 2013 at Shanghai Free Trade Zone, we are a professional rubber seal manufactory specialized in the Oil & Gas filed, Qinuo is a new and high-tech enterprise integrating R&D, production and sales. Since its inception, we adhering to the "Quality for Survival, Innovation Competes For Development " concept, continuous development and innovation, we won a good reputation at home and abroad, we are current using Royal Way & SHQN two brands to do the marketing in the energy industry.
Qinuo provides professional rubber parts, plastic parts and maching parts design and production services, products mainly used in oil & gas industry, automobiles, household appliances, machinery equipment etc. We have a professional production and sales team, "High-Quality, High Professionalism, High Efficiency" are the principles of doing things.
Under the Shanghai Qinuo, we have two wholly-owned factories in Nantong City, only an hour's drive to Shanghai Pudong Airport or Shanghai Sea port to ensure the quick delivery, we have more than 30 rubber vulcanizing machines and relevanted equipments, so that Qinuo can produce more than 20 kinds of rubber rings or other rubber products together to meet our customer's demands, our monthly rubber processing capability can upto 20 tons (about 40, 000 lbs) or more. And Qinuo is still in rapid growthing.
We adopt comprehensive quality management system based on the ISO9001, our products are mainly exported to the United States, Canada, Britain, Germany, Finland, Australia more than 100 countries extend all over the globe. Qinuo is sincerely wishing to cooperate with you.
How to contact
www.unionseal.com
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