Poorthuis mascot

Since 1949 · Oldenzaal (NL)

Solutions by
Specialists

Inspection, overhaul, service and modification of valves and steam and pressure installations, on site or in our own workshop. Over 75 years of expertise in valve technology, deployed worldwide by a team of 21 specialists.

International craftsmanship, local commitment

Setting the standard for over 75 years

Poorthuis Industrial Services specialises in the overhaul and maintenance of steam and other pressure installations. Beyond maintenance we overhaul and modify parts in our own machine shop. Saving our clients both time and money.

1949

Founded in Oldenzaal

75+

Years of experience

Worldwide

Deployable on site

ISO 9001

Certified

21

Specialists

Our services

Specialist craftsmanship, end-to-end

From overhaul to mobile service: we keep your installation running safely, efficiently and reliably.

01

Overhaul

Production downtime costs time and money. Our flexible overhaul team gets your production lines operational again, cost-efficiently.

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02

Modification

We realise any modification and build specials that fit your specific situation seamlessly. Tested and pressure-proofed to standard.

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03

Specialised welding

Products and services for industries that demand welding compliant with the strictest international standards.

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04

Machining

A complete machine park for turning, vertical turning, milling, drilling, boring and more. All under one roof in our fully equipped workshop.

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Need help?

Discuss your challenge with our specialists.

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Deployable worldwide

Our specialists, wherever you need them

From Oldenzaal we work for power plants, waste incineration, district heating, the food industry, oil & gas and petrochemicals, from Greece and Oman to Saudi Arabia and the United States. Spin the globe and click a location to view a project.

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The Poorthuis team

About Poorthuis

A close-knit team of craftsmen

Poorthuis is known for its specialist team that feels closely involved with the client. Clear communication and good collaboration form the basis of our work. Because our trade falls outside standard training, we train our people internally to become specialists.

Certification & quality

Certified craftsmanship

Alongside the certificates below we are an approved overhaul company for several valve and fittings manufacturers. With our own test equipment for pressure tests and NDT.

NEN-EN-ISO 9001:2015

Quality management

VCA* 2017/6.0

Safety

Material re-marking

Certificate G 0304-20/M016

PRD Katern 3.2 §13

T0103

EN ISO 9712 PT2

Sector A, B and PED

Careers at Poorthuis

Will you be our next specialist?

We train our craftsmen internally. Technical, flexible and ready to travel the world? Then we are looking for you.

Poorthuis mascot

Contact

A question, breakdown or project enquiry?

Fill in the form and we will get back to you as soon as possible.