Functions
- Sealing: Provides a reliable barrier to prevent leakage between chambers.
- Pressure Transmission: Transfers pressure signals to actuate mechanisms or instruments.
- Controlled Movement: Responds to pressure differences for precise operation.
Advantages
Perfect airtight seal.
- Minimal friction and no lubrication required.
- High sensitivity with low hysteresis.
- Simple assembly with modest production tolerances.
- Reinforced versions offer higher pressure and mechanical resistance, excellent chemical resistance, and improved sealing performance.
Applications
- Pumps and dosing systems
- Valves and regulators (pressure, flow, safety)
- Pneumatic actuators and servo-mechanisms
- Automotive components such as carburetors and fuel/gas pumps
- Gas flow meters and pressure transducers
- Turbo-compressor waste-gate valves and household water regulators
Material & Design Variations
- 100% rubber
- Rubber-coated fabric
- Reinforced rubber + fabric diaphragms for superior durability and pressure resistance
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