Rubber Membrane for Diaphragm Pump

Product Overview
The Membrane Pump Gasket is an advanced sealing component engineered for optimal performance in diaphragm pump applications. Featuring a multi-layer composite structure, this gasket delivers exceptional sealing reliability while withstanding the dynamic stresses of reciprocating pump operations.

Technical Specifications & Key Features

Material Composition
Base Material Options:
• NBR or FKM (standard)
• EPDM rubber for chemical resistance
• FFKM (Perfluoroelastomer) for aggressive media

Performance Characteristics
Pressure Rating: 0-25 bar (362 psi) cyclic pressure

Temperature Range: -30°C to +180°C (-22°F to 356°F)

Chemical Compatibility:
• Resists acids, alkalis, solvents, and hydrocarbons
• Suitable for food-grade applications (FDA compliant options)

Physical Dimensions
Standard thickness: 1.5mm to 6mm

Diameter range: 25mm to 600mm

Custom shapes available for OEM configurations

Functional Advantages
✓ Superior Sealing Performance

Maintains seal integrity under pulsating pressures

Compensates for surface imperfections

Minimal compression set over extended use

✓ Enhanced Durability

3x longer service life vs conventional gaskets

Withstands >1 million cycles

Abrasion-resistant edge treatment

Application Environments
Industrial Pump Systems
Chemical processing pumps

Pharmaceutical diaphragm pumps

Food & beverage processing equipment

Specialty Applications
High-purity liquid transfer systems

Corrosive media handling

Hygienic processing installations

Operating Conditions
▶ Continuous duty in wet/dry cycling environments
▶ Exposure to aggressive cleaning agents
▶ CIP/SIP compatible versions available

Quality Certifications
• ISO 9001:2015 manufacturing standards
• FDA 21 CFR 177.2600 compliance (food grade)
• REACH/ROHS compliant materials

Engineered for maximum reliability in critical pumping applications, our Membrane Pump Gaskets combine advanced material science with precision manufacturing. Custom formulations available for specific media compatibility requirements and extreme operating conditions.

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.