Industrial M-25 Diaphragm Repair Kit for a 1‑inch valve from Bisco Enterprise provides a direct replacement diaphragm assembly (Part # M-25) for 1" diaphragm valves. The listing notes an A61 designation, tying the kit to Bisco's M-25 lineage for 1" valves. Designed for industrial repair work, this kit supports maintenance and restoration of diaphragm valve sealing and operation on compatible 1" systems. For proper fit, verify the valve model and make against OEM specifications before installation.
