Welcome to the OPW home page! From top and bottom loading arms to sight flow indicators and pressure sensors and from cam and groove quick disconnect fittings to dry disconnect quick disconnect fittings, we offer a full line of standard and custom loading and unloading systems to dry disconnect fittings to keep your hazardous liquid contained in the lines. For more than 60 years, OPW Engineered ...

Kardol Quality Products has been manufacturing repair and reconditioning professional products for cars, boats, airplanes and industrial applications since 1939. Complete line of products in one place.