Item No. RD-007
Our rubber diaphragms are precision components built to deliver dependable sealing and pressure regulation in the most demanding operating environments. Serving industries from automotive and aerospace to medical devices and fluid control, they ensure consistent performance where accuracy and reliability are non-negotiable.
Every diaphragm is produced from carefully selected elastomers using advanced molding processes. The result is a component that resists chemicals, temperature extremes, and repeated mechanical stress — available in both standard configurations and fully custom-engineered designs built to your exact specifications.
Premium elastomer selection – NBR, EPDM, silicone, FKM, neoprene, natural rubber
Fabric reinforcement – polyester, nylon, or aramid for high-pressure service
High-cycle flex life – engineered for millions of operations
Tight molding tolerances – repeatable performance across batches
Leak-tight sealing – effective separation of gases and liquids
Stable pressure response – consistent regulation over wide pressure ranges
Chemical & thermal resistance – handles aggressive media and extreme temperatures
Multiple profile designs – flat, convoluted, rolling, dished, custom
Sanitary grades available – food-grade and medical-grade compounds
Made to your specification – size, profile, material, reinforcement, hardness
Leak-Tight Sealing – Separates media from mechanical parts completely, keeping critical systems safe and efficient.
Stable Pressure Regulation – Uniform flex response and precise molding deliver consistent control across changing operating conditions.
Long Flex Life – Withstands millions of cycles without cracking or losing performance, cutting maintenance frequency.
Broad Material Compatibility – Multiple elastomer options cover aggressive chemicals, extreme temperatures, and harsh environments.
High-Pressure Capability – Fabric-reinforced versions handle greater pressure differentials and longer strokes without distortion.
Automotive – fuel pressure regulators, brake systems, EGR valves, turbo wastegates
Aerospace – cabin pressure control, fuel systems, hydraulic actuators
Industrial machinery – pumps, compressors, valves, pneumatic actuators
Medical devices – ventilators, infusion pumps, blood pressure monitors, dialysis equipment
Fluid control systems – diaphragm valves, pressure switches, flow regulators
Water treatment – dosing pumps, filtration systems, chemical injection
Material
EPDM, NR, NBR, CR, FKM
Hardness
40-80ShA
Fabric
Polyester, nylon, curtain fabric, etc.
The general water pressure
0.4 MPa to 1.6 MPa
Standardized Pallets: Goods are stacked on heat-treated (ISPM 15) or plastic pallets, optimized for forklift handling. Rigid Corner Protectors: High-impact cardboard corner guards are applied to the full height of the stack. This prevents the straps from cutting into the rubber and maintains the vertical integrity of the pallet.
What materials are available for rubber diaphragms?
NBR, EPDM, silicone, FKM (Viton®), neoprene, natural rubber, and custom compounds.
What is the difference between fabric-reinforced and non-reinforced diaphragms?
Fabric-reinforced diaphragms offer higher pressure resistance, longer stroke, and better dimensional stability. Non-reinforced types are more flexible for lower-pressure applications.
What temperature range can rubber diaphragms withstand?
NBR (-30°C to +110°C), EPDM (-50°C to +150°C), Silicone (-60°C to +230°C), FKM (-20°C to +230°C).
How many cycles can a diaphragm last?
With proper material and design, millions of flex cycles. Life depends on pressure, stroke, temperature, and media.
Can you produce custom diaphragm profiles?
Yes. Flat, convoluted, rolling, dished, and fully custom profiles to your drawings or samples.
Are food-grade and medical-grade diaphragms available?
Yes. FDA-compliant food-grade and medical-grade silicone and EPDM compounds are available.
What is the typical lead time?
Standard designs often ship within 7–15 working days. Custom orders typically 15–25 working days.
Do you offer prototyping?
Yes. Rapid prototyping is available to verify fit and performance before full production.
If you have any questions or needs about the product, please fill in the following form and we wll contact you as soon as possible.
PHONE: +86 0532 8769 9025
EMAIL: sales@todorubber.com
Located in Linqu County
Located in Jiaozhou City
Located in Renqiu City
Located in Laixi City
