STORZ blind cap, made of high-strength plastic, equipped with a chain to prevent loss, intended for transmission installations for liquid and bulk substances. Used in firefighting, irrigation systems, chemical industry, food industry, agriculture, etc. With a symmetrical design of the connection part, it easily connects with each other. Elements with the same coupling spacing can be connected. Body material: high-strength plastic. Cover material: aluminum. Working pressure: 10 bar. Seal: black NBR rubber.