Diaphragm valves, ball valves, knife-gate valves, slide-gate valves, custom fabricated valves, burner safety shut off valves, butterfly valves, divert valves, sample and bleed valves, zero static valves, by-pass valves, all being parts of industrial machines for use in the chemical, petro-chemical, mining, power, waste treatment, pulp and paper bio-technology, electronics and pharmaceutical industries; diaphragm actuators, electrohydraulic actuators