The HH 303781 Diaphragm is a flexible membrane designed to act as a pressure regulation and sealing element in fluid control systems. It is installed equipment-mounted and used in pumps, valves, and regulators within pneumatic and fluid handling equipment to separate media, regulate pressure, or actuate components. With the manufacturer part number 303781, this diaphragm serves as a common replacement for pumps, valves, and regulators where reliable sealing and control performance are required. Construction is a flexible diaphragm assembly, suitable for applications in fluid control systems that require a dependable fluid separation and pressure control interface.
