DEPA Nopped S4® Diaphragm The DEPA Nopped S4® Diaphragm offers a range of features and benefits for air-operated pump applications including: Innovative: Pioneered the nopped design utilizing a thermoplastic elastomer (TPE) for diaphragm material Durable and Efficient: Improved energy efficiency compared to standard TPE diaphragms, the innovative nopped design offers excellent performance, and enables longer service life Cost Effective: Provides lower costs of operation, reduces spare parts inventory, maintenance downtime, and increases plant capacity Versatile: Interchangeable among the DEPA® pumps ranges (modular design)

DEPA Nopped S4® Diaphragm Material Features and Benefits • Excellent resistance to mild sodium hydroxide, sulphuric or hydrochloric acids; many solvents and bases • Abrasive fluids and slurries • Ideal for high viscosity and shear sensitive materials, e.g. paint, coatings, sludge, and sewage • Wide temperature range Sizes DL15 through DL80 (½" through 3" ) Pump Size DEPA® Pumps • Santoprene® material combines elastomer (EPDM) and polypropylene (PP); thus, it possesses the same flexibility and durability that is characteristic of elastomer components • Injection molded process provides consistent...