ES Series Spring Check Valves

Chemline ES Series PVC True Union Spring Check valves have a PTFE covered stainless steel spring for positive closing. Compared to ball check valves, ES Series require very low liquid head pressure to close. That means more flexibility as to where valves may be placed in a piping system. 1 New Disc Design for 1/2” to 4”*

✓ True Union Design Easy installation and maintenance

✓ PTFE Covered Stainless Steel Spring Spring allows disc to self close PTFE covering is minimum 0.45 mm (0.018”) thick Resistant to almost all chemicals

✓ New Disc Design1 Fully guided for smooth, trouble-free operation Hydraulic design to minimize pressure loss

✓ Moulded Elastomer Seat For a secure seal even at low pressures