The Santoprene Diaphragm Sub for the 400A Series by SOTERA SYSTEMS TUTHILL FILL-RITE is a critical component for efficient fluid transfer. This diaphragm is made from high-performance Santoprene, offering excellent chemical resistance and durability. Designed to fit seamlessly into the 400A series pumps, it ensures optimal performance under various pressure conditions. With precise dimensions tailored for compatibility, this diaphragm is essential for maintaining the integrity of your pumping system. Ideal for industrial applications, it meets relevant compliance standards.