Pump head
Four types, PVC, GFRPP, PVDF and Stainless steel 316 are avaiable.
Diaphragm
A flt diaphragm with liss dead volume Made of EPDM covered by fluororsin, it is highly corrosion-resistant and remarkably durable.
Valve
A two-stage valve system, which has high checking ability, is used. There are two types of valve assemblies, i.e., for acid liquid and for alkaline liquid.
Air vent value
The smaller flow rate types (to the EK-[ ] 20) have air vent valves as standard equipment. Air in the pump chamber can be easily released simp;y by truning knob.
Note: for SUS316 type, airvent valve is available for all pump sizes.