GULDE

fluid flow system comprised in whole or in part of metal, single and double seat outlet, rotary plug, diaphragm pinch and Y-type control valves, angle valves, mining and diverting valves, and butterfly valves, and actuators therefor; pressure regulators, limit and proximity switches and switch positioners, metal boxes for housing the switches, and pipeline control apparatus for petrochemical, agricultural, irrigation, and industrial pipelines