dedietrich.com

De Dietrich supplies process equipment and engineered systems for the pharmaceutical, chemical, plant-based, and food industries, with solid-liquid separation as its self-described world-leading specialty. Its offer is organized into two broad categories — Systems (combined separation, drying, and mixing solutions) and Equipment (individual process units) — backed by services such as field service, spare parts, trials and rental, training, and studies and simulations. This overview is for readers checking whether De Dietrich's portfolio matches a specific process need; exact models, capacities, and materials must be confirmed with the company.

How the offer is structured

De Dietrich presents its portfolio as systems and equipment that draw on what it calls "system thinking" and premium quality engineering, supported by local manufacturing across 25 sites worldwide and about 1,400 people. The company describes itself as family-led since 1684 and positions its craftsmanship tradition as central to how it engineers process solutions.

Systems: separation, drying, and mixing

De Dietrich states that its systems combine "the industry's most extensive solid-liquid separation portfolio" with advanced drying and mixing solutions. In practice, this means a buyer with a separation challenge can source the separation step and the adjacent drying or mixing steps from one supplier, which matters when the steps must work together.

Solid-liquid separation is the area the company singles out as its world leader claim. If your process centers on filtration, separation, or comparable solid-liquid handling, that is the most directly relevant part of the portfolio to examine first.

Equipment: standalone process units

Equipment is listed as a separate category from systems, indicating that individual units can be sourced independently of a full engineered system. The site does not enumerate specific equipment types in the available material, so the practical next step is to request the equipment range for your application rather than assume a specific unit exists.

Services that support a purchase decision

The service lineup is unusually relevant to evaluating fit before buying:

• Trials & Rental — test your products under real conditions, useful when you need evidence that a separation or drying approach works on your material.
• Studies & Simulations — optimize yields before committing to equipment.
• Upgrade & Refurbishment — extend the life of existing equipment rather than replacing it.
• Field service — on-site intervention by fitter teams anywhere in the world.
• Spare parts & components — fast stock dispatch.
• Trainings — upskill operating teams.

For a first-time buyer, trials and simulations are the lowest-risk way to check whether De Dietrich's separation or drying approach suits your product. For an existing operator, upgrade and refurbishment is the relevant entry point.

How to decide whether to engage

Use these conditions to judge fit:

• Choose De Dietrich for systems if your process combines separation with drying or mixing and you want one supplier accountable for the integrated result.
• Choose De Dietrich for equipment if you need a defined process unit and can confirm the specific type and specification directly with the company.
• Prioritize the separation portfolio if solid-liquid separation is the core of your process, since that is the company's stated leading strength.
• Start with trials or simulations if you are unsure whether your material behaves as expected under their approach.

Pricing, lead times, and commercial terms are not published in the available material, so treat any cost expectation as something to confirm in a direct inquiry.

De Dietrich provides six service lines beyond its process equipment and systems: field service, upgrade & refurbishment, spare parts & components, trials & rental, trainings, and studies & simulations. These services are aimed at companies that already operate De Dietrich equipment or want to test and optimize a process before committing to it. According to the company, its expert fitter teams can intervene on-site anywhere in the world across its entire offering, supported by 25 sites worldwide and 1,400 people.

The Six Service Lines

How to Choose the Right Service

The services map to different stages of equipment ownership, so the choice depends on where you are:

• Before you buy: Trials & Rental lets you test products under real conditions, and Studies & Simulations can optimize yields. These are the options to consider when the process itself is still uncertain.
• During installation or when something breaks: Field service and spare parts & components are the direct routes — the former for on-site intervention, the latter for fast parts dispatch.
• When equipment is aging but still serviceable: Upgrade & Refurbishment is positioned as an alternative to replacement, giving existing equipment a second life.
• When the constraint is people, not machines: Trainings addresses team capability rather than equipment performance.

A practical sequence for many buyers is to start with trials or simulations to confirm the process, then rely on field service and spare parts during operation, and revisit upgrade & refurbishment as equipment ages.

What the Company Says About Its Service Model

De Dietrich describes itself as family-led since 1684 and an industry leader in process equipment and technology, designing, engineering, and optimizing process solutions across the pharmaceutical, chemical, plant-based, and food industries. Its stated strengths are "system thinking, premium quality engineering, and commitment to local manufacturing" — which is the rationale behind pairing a global service reach with local presence. The company also frames sustainability as part of its service direction, focusing on helping industries transition to greener practices with local, sustainable solutions.

Practical Notes

• The site does not publish pricing for any of these services. The only pricing-related link in the available material points to the Upgrade & Refurbishment page, so cost and commercial terms need to be requested directly.
• Service scope is described at a high level (for example, "fast stock dispatch" and "on-site anywhere in the world") without specific response times or coverage guarantees, so confirm these for your location and equipment type.
• If your goal is to decide between refurbishing and replacing equipment, the Upgrade & Refurbishment service page is the most relevant starting point; for process uncertainty, start with Trials & Rental or Studies & Simulations.

De Dietrich is a family-led industrial group that designs, engineers and optimizes process equipment and systems for the pharmaceutical, chemical, plant-based and food industries. If you are trying to place the company, the short answer is: it is not a chemical producer but a process-technology supplier — it builds the equipment and systems that other manufacturers use to separate, dry, mix and refine their products. Its stated specialties are solid-liquid separation, drying and mixing, backed by field service, spare parts, trials and rental, training, and studies and simulations.

Company at a glance

The "340 years of legacy" framing on its site is not just marketing color: it signals a long-standing engineering house that positions itself as an "artisan of progress," blending craft tradition with engineering precision.

What it actually offers

The offer is organized into two layers — systems and equipment — plus a service layer.

Systems and equipment

• Solid-liquid separation — the company describes itself as a world leader in this area, and it is the most extensive part of its portfolio.
• Drying solutions — advanced drying systems for process industries.
• Mixing solutions — advanced mixing alongside drying.
• Process equipment — the individual hardware that makes up these systems.

The combination matters: a buyer rarely needs only a filter or only a dryer. De Dietrich presents separation, drying and mixing as one integrated system offer, which suits projects where several unit operations must work together.

Services

The service menu is broad and worth knowing if you already own De Dietrich equipment or are evaluating a purchase:

• Upgrade & Refurbishment — extending the life of existing equipment.
• Field service — on-site intervention by fitter teams, described as available anywhere in the world.
• Spare parts & components — fast stock dispatch.
• Trials & rental — testing your products under real conditions before committing.
• Trainings — upskilling customer teams.
• Studies & simulations — optimizing yields.

For a process engineer, the trials-and-rental and studies-and-simulations entries are the practical entry points: they let you validate a separation or drying step on your own material before specifying capital equipment.

Who it is for

De Dietrich fits best when you are:

• Running a pharmaceutical, fine chemical, chemical, plant-based or food process that needs separation, drying or mixing equipment.
• Looking for a single supplier that can combine several unit operations into an engineered system rather than buying discrete machines.
• Valuing local manufacturing and local service presence alongside global reach — relevant if downtime or spare-part lead time is a real cost for you.
• Considering refurbishing existing equipment instead of replacing it, or wanting to test your product under realistic conditions first.

It is less relevant if you need a commodity component with no engineering support, or if your process falls outside the four named industries.

How to evaluate it as a supplier

1. Start from your unit operation. Identify whether your bottleneck is separation, drying or mixing — the site organizes its offer around these, so this determines which part of the portfolio you look at.
2. Check the service fit. Confirm whether field service and spare parts reach your location; the company claims worldwide on-site intervention, but verify against your site.
3. Use the trial route. Ask about trials and rental to test your product under real conditions, and about studies and simulations if yield optimization is the goal.
4. Ask about refurbishment if you already run De Dietrich equipment — upgrade and refurbishment is a named service line, not an afterthought.
5. Confirm commercial terms directly. The site does not publish pricing; treat any cost or lead-time figure as something to request rather than assume.

The main caveat: the public material is positioning-level. Specific equipment models, capacities, materials of construction and commercial terms are not spelled out on the pages reviewed here, so a serious evaluation should go through a direct enquiry or a trial request rather than the website alone.

De Dietrich is a family-led process equipment and systems supplier founded in 1684, serving the pharmaceutical, chemical, plant-based and food industries. You can evaluate it on four verifiable dimensions: longevity and management stability, global footprint and local manufacturing, industry and process focus, and sustainability commitment. It fits buyers who need solid-liquid separation, drying or mixing systems plus on-site service and refurbishment; it is not positioned as a low-cost commodity supplier, and the site gives no pricing, so budget must come from a direct quote.

Start with the four evaluation dimensions

1. History and management stability

The company describes itself as family-led since 1684 and states it was again awarded Best Managed Company in 2026. For a supplier assessment, treat this as evidence of continuity rather than a quality guarantee: a 340-year lineage and repeated management recognition suggest the business is unlikely to disappear mid-project, which matters for multi-year equipment lifecycles and spare-parts availability.

2. Global footprint and local manufacturing

The site lists 25 sites worldwide and 1,400 people, and states a commitment to local manufacturing. The practical test is whether a site or service team exists near your plant. Ask for the specific site that would build your equipment and the nearest field-service base — the company says its fitter teams can intervene on-site anywhere in the world.

3. Industry and process focus

De Dietrich positions itself around process equipment, engineered systems and process solutions for fine chemical, chemical and pharmaceutical customers, and also names plant-based and food. Its stated strength is solid-liquid separation, combined with drying and mixing. Match this to your unit operations: if your need is separation, drying or mixing in a regulated chemical or pharma environment, the fit is direct; if your need is outside these areas, ask explicitly what they can deliver.

4. Sustainability commitment

The company frames sustainability as helping industries transition to greener practices with local, sustainable solutions. Treat this as a stated direction, not a certified claim. Ask for specifics relevant to your project — energy use, local sourcing, refurbishment as an alternative to new build — and request documentation for any target you intend to rely on.

Compare the service scope, not just the equipment

The site separates Systems (solid-liquid separation, drying, mixing) from Equipment, and lists six services. Use this table to decide which services you actually need before contacting them.

The trials-and-rental option is the most useful de-risking step in a buying decision: it lets you test your own product under real conditions before purchase. Ask what equipment is available for trial and what the commercial terms are, since the site does not publish them.

Apply a short scoring checklist

Score each item as met, partly met, or unverified, and require evidence rather than accepting the website claim:

• Stability: family-led since 1684; Best Managed Company award in 2026 — confirm the award year and scope directly.
• Scale: 25 sites, 1,400 people — ask which site serves your region.
• Process fit: solid-liquid separation, drying, mixing — confirm your specific unit operation is in scope.
• Service depth: field service, spare parts, refurbishment, trials, training, studies — confirm which are available locally.
• Sustainability: stated commitment to greener practices — request project-specific evidence.
• Commercials: pricing and lead times are not published — obtain a written quote.

Common pitfalls when evaluating this supplier

• Treating heritage as a substitute for due diligence. Longevity supports stability but says nothing about fit for your process; verify the specific technology and reference installations.
• Assuming global means local. With 25 sites, confirm the nearest one rather than assuming coverage.
• Skipping the trial. If your product is novel or the process is sensitive, use trials and rental before committing.
• Overlooking refurbishment. If you already run De Dietrich equipment, upgrade and refurbishment may be a cheaper path than new purchase — ask for an assessment.
• Expecting published prices. The site provides no pricing; plan for a quote cycle and include spare parts and service in the total cost of ownership.

What to do next

Send a short brief covering your industry, the unit operation (separation, drying or mixing), throughput, and whether you want a new system, an upgrade, or a trial. Ask for the serving site, reference installations in your sector, and a quote that separates equipment, installation, training and spare parts. That single request will confirm most of the dimensions above faster than any desk research.

The fastest route to more information is the official website, dedietrich.com. Its main navigation is organized around four areas: Systems, Equipment, Services, and News. If your goal is to contact the company, start from the Services section — it is where the site details hands-on support such as field service, spare parts, and upgrade & refurbishment. The site does not publish a standalone contact page in the material reviewed here, so the practical path is to open the service page closest to your need and use the inquiry route offered there.

Main sections of the website

The homepage also states key figures — 340 years of heritage, 25 sites worldwide, and 1,400 people — which is useful context if you are evaluating the company rather than looking for a specific product.

Getting in touch through the service pages

The Services area is the most direct route for a commercial or technical inquiry, because each service page corresponds to a concrete request:

• Upgrade & Refurbishment — for giving existing equipment a second life. This is the page linked from the site's own pricing-related link, so it is the natural entry point if your question concerns reworking installed equipment.
• Field service — for on-site intervention; the site states expert fitter teams can intervene on-site anywhere in the world.
• Spare parts & Components — described as fast stock dispatch.
• Trials & Rental — for testing your products under real conditions before committing.
• Trainings — for upskilling your teams.
• Studies & Simulations — for optimizing yields.

Choose the page that matches your task, then use the inquiry option provided on that page. This avoids a generic contact form and puts your request in front of the relevant team.

Other information routes

• Careers: the homepage includes a "Join our team" block pointing to career opportunities — use this only for job inquiries, not commercial ones.
• News: corporate announcements (for example, the Best Managed Company award) and event notices such as Powtech 2026. The events listing is useful if you prefer to meet the company in person at a trade fair.
• Company background: the "Learn more" links under the key numbers and the "Artisans of Progress" section explain the company's history and manufacturing philosophy.

Practical tips before you reach out

1. Name the process, not just the product. The site frames its offer around solid-liquid separation, drying, and mixing. Stating your process step helps route your inquiry correctly.
2. Mention whether the equipment already exists. If you own De Dietrich equipment, the Upgrade & Refurbishment or Spare parts pages are more relevant than a new-equipment inquiry.
3. Ask about trials if your product is unproven. The Trials & Rental service exists specifically to test products under real conditions, which is often faster than a specification discussion.
4. Check the news and events pages first if you want to speak with someone face to face — event participation is announced there.

The site does not publish direct email addresses or phone numbers in the material reviewed, so rely on the inquiry options within each service page rather than searching for a contact block that may not exist.