Walchem
Product Type: Repair Kits
Walchem E-Class Metering Pump Repair Kit for EW/K/Z21 pump, contains: PTFE/EPDM diaphragm, PPS/GF retainer, GFRPP valve guide, FKM valve seat, Al ceramic balls, PTFE valve gasket, FKM O-ring, hex wrench (head bolts not included)