Spare parts
Valves, plungers, seals, cylinder blocks and drive components for BOS, Gaulin, APV, Rannie and SPX homogenisers. Made in our own workshop or sourced independently, and shipped worldwide.
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Independent homogeniser specialist since 1950
Homogeniser spare parts, service and machines
BOS Homogenisers builds high-pressure homogenisers and keeps existing ones running. With more than 15,000 spare parts in stock for BOS, Gaulin, APV, Rannie and SPX machines, and service engineers who know them inside out.
- 75+ years of homogeniser experience
- 15,000+ spare parts in stock
- 65 partners worldwide
- 270+ training videos in 13 languages
What we do
One specialist for the whole life of your homogeniser
From the first quotation to the ten-year overhaul: machines, parts and service come from the same team in Hilversum, the Netherlands.
Service and maintenance
Technical support, preventive maintenance, complete overhauls and retrofits. From our workshop in Hilversum for customers worldwide, and on site in the Netherlands.
Discover BOS service
New homogenisers
The BOS MG series and the new H-Range: high-pressure homogenisers from 150 to 45,000 litres per hour, at pressures up to 1,400 bar. Designed with a minimum of parts and seals.
View all machines
Service
Service is where BOS started. It still comes first.
In 1950 Mr G.M. Bos opened a machine repair shop that soon became a service centre for Manton Gaulin homogenisers. Seventy-five years later, keeping your production line running is still the core of our work.
- Direct breakdown support by phone, with on-site service in the Netherlands
- Preventive maintenance agreements with scheduled maintenance
- Overhaul, refurbishment and hydraulic retrofits
- Training for operators, engineers and partners in the BOS Academy
See what our service team does Meet BISC, our service concept
Spare parts by brand
Parts for the machine you have
BOS supplies parts suitable for the homogenisers that are in your plant today, including models that are no longer supported elsewhere.
BOS
Original parts for the complete MG series and the H-Range.
BOS spare partsGaulin
Parts for MC, G, R and TPS series, including legacy Manton Gaulin models.
Gaulin spare partsSPX-APV
Independent supply of parts suitable for SPX and APV homogenisers.
SPX-APV spare partsRannie
Wear parts and assemblies for Rannie machines, from stock.
Rannie spare parts
Machines
BOS high-pressure homogenisers
A complete range of homogenisers and high-pressure pumps. Each type is designed for the highest efficiency at the lowest energy consumption, and is fully sanitary and suitable for CIP.
Industries
The companies we serve
Producers in dairy, food, pharmaceuticals and chemicals rely on BOS for consistent, high-quality homogenisation. Wherever in the world they operate.
Dairy
Milk, cream and other dairy products with a stable, consistent quality.
Homogenisers in dairyFood and beverage
Sauces, beverages and emulsions with a constant texture.
Food and beveragePharmaceutical
Precise emulsification and dispersion for critical applications.
Pharmaceutical homogenisersChemical
High-pressure processing of abrasive and aggressive media.
Chemical processingTrusted by producers around the world
BISC · BOS International Service Concept
One portal for partners and customers
BISC is the way agents, distributors, service technicians, customers and BOS work together. One login gives you the parts finder, the maintenance planner, documents and more than 270 training videos in 13 languages.
Worldwide
Our sales and partner network
BOS works through direct sales, regional offices and a global network of distributors. Headquartered in Hilversum, with offices in Shanghai and Singapore and 65 partners who support sales, service and parts close to you.
65 partners
- 35Europe
- 11Asia
- 3Middle East
- 3Africa
- 12Americas
- 1Australia
Headquarters
BOS Homogenisers B.V.
Oscar Romerolaan 18
1216 TK Hilversum
the Netherlands
China
Bos Homogenisers Asia Co. Ltd.
Room 1808, HIC, No. 2218 Huangxing Road, 200433 Shanghai
Asia-Pacific
BOS Asia Ltd. (APAC)
18 Boon Lay Way, #04-112 Tradehub 21, Singapore 609966
Knowledge centre
Practical guides from our engineers
Troubleshooting checklists, maintenance schedules and selection guides for everyone who works with homogenisers.
Hydraulics and amplifiers: modernise your homogeniser
BOS hydraulic systems and modern amplifiers for BOS, Gaulin, SPX, APV and Rannie homogenisers. One- or two-stage control, built-in water cooling and…
The Working Principle of a High-Pressure Homogenizer
How does a high-pressure homogenizer really work? Plunger pump, valve gap & pressure drop explained step by step, for APV, SPX, Rannie, Gaulin & BOS…
How to Choose a High-Pressure Homogenizer: 5 Questions That Decide It
Which homogenizer machine fits your production? Capacity, pressure, CIP, cost of ownership and service — a practical selection guide by BOS engineers.
FAQ
Frequently asked questions
What does BOS Homogenisers do?
BOS manufactures and supplies its own high-pressure homogenisers and spare parts, and provides maintenance and refurbishment services for various machines, including Gaulin, APV and Rannie homogenisers.
How long has BOS been in operation?
BOS Homogenisers has more than 75 years of experience in high-pressure homogenisation. The company was founded in 1950 by Mr G.M. Bos in the Netherlands.
Which industries does BOS serve?
We serve customers worldwide in the dairy, food, pharmaceutical and chemical industries, with homogenisation solutions tailored to each sector.
Where is BOS located?
Our headquarters are in Hilversum, the Netherlands, with regional offices in China and Singapore. We also work with an extensive network of distributors and local representatives worldwide.
Is BOS affiliated with SPX, APV, Gaulin or Rannie?
No. BOS is an independent specialist. We are not an official SPX dealer or partner and have no affiliation with SPX. We supply parts suitable for APV, Gaulin and Rannie homogenisers that we manufacture ourselves or source in the market.
Why choose BOS Homogenisers?
More than 15,000 spare parts in stock, decades of expertise and a worldwide service network make BOS a reliable partner for high-performance homogenisation.
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Join the team
Engineering, production and service come together under one roof in Hilversum. We are always looking for skilled people who take pride in craftsmanship.
Check out our vacancies