The Spirax-Sarco Engineering 57152 Diaphragm Assembly is a replacement diaphragm assembly (Part No. 1H) sized for 2-inch Spirax-Sarco equipment. This 2-inch diaphragm matches the 57152/1H specification and is used as a replacement part in compatible Spirax-Sarco systems. If your installation requires a 1H diaphragm in a 2-inch configuration, this assembly provides the correct part for maintenance or repair.
