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2E859702202

Key Specifications / Parameters Part Number: 2E859702202 Product Type: Diaphragm (actuator component) Compatible Actuator Model: Fisher Model 657, Size 60 Material: Nitrile (NBR) elastomer Diameter: ~18.625 inches (18‑5/8″) Hole Count: 24 mounting holes Application: Used to actuate sliding‑stem control valves by converting air pressure to mechanical movement through the actuator diaphragm

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The Fisher 2E859702202 is a replacement diaphragm used in Fisher‑type pneumatic actuators (Model 657, Size 60). It is made of nitrile rubber (NBR) and designed for valve actuator mounting, converting pneumatic pressure into motion. The diaphragm is approximately 18.5 inches in diameter and has 24 mounting holes.