K. en W.A. van Rooijen B.V., founded in 1980, is specialized in engineering and manufacturing of pressure vessels, columns, tanks, autoclaves, pipe work, steel structures and skid mounted units for the petro-chemical, chemical, and processing industry.
Besides working to clients drawings we are able to perform the engineering too, such as workshop drawings and calculations based on clients design, taking in account the applicable codes, if required "Third Party" request.
If required, we also provide surveying of equipment and piping on-site for prefab activities in our workshop Oud-Beijerland.
Our activities are mainly concentrated on equipment ranging from small to medium sized vessels, steel structures and packaged units with weights up to 50 ton and lengths up to 20 meter with vessel diameters and wall thickness limitations of 4000mm resp. 50mm.
Although specialized in handling of most types of carbon and stainless steels, we also produces equipment and pipe systems in other materials such as: duplex, titanium, hastelloy, inconel, monel, aluminum etc.
Practically all equipment manufactured by K. en W.A. van Rooijen B.V is custom built. An increased amount of equipment is now supplied in the fully dressed condition which maximises quality en minimises site erection time.
In particular to be mentioned are :
- mechanical equipment and piping systems for chemical and petro-chemical industry
- liquid and gas filter equipment for process application
- injection equipment for oil and gas industry
- mechanical process equipment and installations for water treatment
Besides the company-based personnel, K. en W.A. van Rooijen B.V. has a mobile group of field workers available for installation and maintenance of equipment at client’s sites.
We are familiar with and work to all required national and international standards and codes including those of RToD, PED, ASME, PD, AIB, Lloyds, DNV, etc.