Product Description
A vacuum air valve specification includes the body material (e.g., cast aluminum, ductile iron, plastic), size (e.g., 1 to 12 inches or 25-300 mm), connection type (e.g., BSP/NPT female thread or flanged), and working pressure rating (e.g., PN10, PN16, or up to 175 psi). Other key specifications involve the sealing material (e.g., synthetic rubber, EPDM) and its operating pressure for sealing, along with its capacity to handle high-turbidity water or sewage up to certain levels