Arvico Rubber Industries
Cup type diaphragms feature a concave, cup-like profile that allows for longer travel distance, increased flexibility, and efficient sealing under varying pressures. They are often used in pneumatic actuators, diaphragm pumps, and control valves where linear motion and pressure isolation are needed. This diaphragm type seals at its outer edge while the center is connected to a moving part (like a valve stem or piston). As pressure is applied, the diaphragm flexes without stretching significantly, making it highly durable in repetitive motionand high-cycle applications.