620080 Model NBR Buna Nitrile Rubber membrane for diaphragm pumps and hydraulic accumulators

620080 Model NBR Buna Nitrile Rubber membrane for diaphragm pumps and hydraulic accumulators

Product introduction

The 620080 NBR (Buna-N / nitrile rubber) membrane is listed with a 14 mm inner diameter, 95 mm outer diameter and 12 mm height reference. The original table gives a reference weight of 76 g. Match the formed membrane and mounting surfaces to the specific diaphragm pump. FKM alternatives and hydraulic accumulator applications require separate design and compound review; AR40, AR70 and D30 references alone do not confirm fit.

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Company&Factory

Shangahi Qinuo Industry Co., Ltd was established in the year of 2013 at Shanghai Free Trade Zone, we are 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, Qinuo has a brand name "SHQN® ".

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. 

Other hot-selling products

In addition to rubber membrane, we also have the following hot-selling products, such as oil and gas rubber accessories: rubber o ring, hammer union seal, rubber swab cup, oil saver rubber, oil packer element, etc.

620080 NBR Membrane: 14 mm Centre and 95 mm Rim

For replacement identification, check the listed 14 mm centre opening and 95 mm outside diameter against the original part and pump seats. Confirm the 12 mm height measuring points and dimensional tolerances on a drawing, including the rim profile and centre fastening arrangement.

The original range table remains available for comparison. Other identifiers and similar dimensions do not establish interchangeable fit. Provide the pump maker, full model and photographs of both membrane faces when requesting a 620080 replacement.

Include fluid formulation, additives, temperature, pressure differential, stroke and cycling speed for NBR compound selection. Specify Shore hardness, reinforcement and inspection requirements where needed, and agree sample fit before ordering production quantities.