The Z801 gauge guard is the latest accessory to complement Asahi’s PVDF and PP piping systems. The diaphragm is constructed of TFM backed EPDM and is designed with a unique large shape. The large diaphragm surface area provides high accuracy of pressure measurement. The special union nut assembly is designed for uniform diaphragm sealing and ease-of-service. The Z801 guage guard is available with inlet connections in both ¼”-½” FNPT and 20-25mm butt spigot.