0904.009 model NBR Buna Rubber membrane Diaphragm Pump

The pump diaphragm is a crucial sealing component widely used in diaphragm pumps and hydraulic accumulators. Made from high-performance elastomer materials such as NBR (Nitrile Rubber) and FKM (Fluorocarbon Rubber), it offers excellent oil resistance, wear resistance, and corrosion resistance, ensuring efficient and stable pump operation. Common models include AR40, AR70, and D30, suitable for various industrial and agricultural equipment.

• Material Composition:

High-grade Nitrile Butadiene Rubber (NBR) compound (70-90 Shore A)

Fabric-reinforced construction for enhanced tensile strength

Optional PTFE coating available for chemical resistance

• Performance Characteristics:

Operating pressure range: 0-16 bar (232 psi)

Temperature tolerance: -30°C to +120°C (-22°F to +248°F)

Excellent resistance to oils, fuels, and water-based fluids

Minimum 500,000 cycle life expectancy

• Physical Dimensions:

Standard thickness: 1.5mm-6mm (±0.1mm tolerance)

Diameter range: 50mm-600mm (custom sizes available)

Multiple mounting configurations (bolt pattern, clamped edge, etc.)

Shangi 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 brand names in "Royal Way" &  "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.