
Looking for a reliable Gaulin plunger ring for your homogenizer?
BOS Homogenisers supplies high-quality replacement plunger rings for
Gaulin, SPX-APV and BOS high-pressure homogenizers. With more than
75 years of experience in homogenisation technology and a large global
spare parts stock, we ensure fast delivery and dependable performance
worldwide.
If you are searching for specific Gaulin plunger ring article numbers or want to verify which parts match your homogeniser, you can consult our complete spare parts overview at plunger components.
The Gaulin plunger ring is an essential component in the liquid end of a
Gaulin homogenizer. In high-pressure homogenization systems, plungers
move continuously under extreme pressure. The plunger ring supports
the sealing assembly and helps maintain consistent operating pressure
while minimizing wear on surrounding components.
A properly functioning Gaulin plunger ring contributes to:
Gaulin homogenizers are widely used in dairy, food, pharmaceutical,
chemical and biotech industries. These machines operate under high
mechanical loads and demanding production conditions. The plunger ring
must withstand pressure fluctuations, temperature variations and
continuous mechanical stress.
BOS Homogenisers supplies Gaulin plunger rings suitable for various
Gaulin models, including mono-block designs and three-piece valve
housing configurations. Each plunger ring is manufactured to meet
precise dimensional and material specifications to ensure proper fit
and long service life.
BOS Homogenisers specializes in spare parts for Gaulin and SPX-APV
homogenizers. Our long history in homogenisation technology allows
us to support both legacy and newer machine types.
We supply components for:
With over 15,000 spare parts on stock and worldwide distribution,
BOS Homogenisers ensures fast supply of Gaulin plunger rings
and related liquid-end components.
In a Gaulin homogenizer, the plunger assembly operates at high
pressure and high cycle frequency. Any deviation in material quality
or dimensional accuracy of the plunger ring can directly affect:
Using high-quality Gaulin plunger rings reduces the risk of
unplanned downtime and helps maintain consistent homogenisation
performance.
The Gaulin plunger ring must function reliably in demanding
industrial environments. Depending on the application, machines
may process dairy products, beverages, emulsions, chemical
mixtures or pharmaceutical formulations. These products can
place different mechanical and chemical demands on internal
components.
BOS Homogenisers selects and supplies Gaulin plunger rings
that are suitable for industrial high-pressure systems, ensuring
durability and compatibility with existing machine configurations.
Production downtime is costly. That is why BOS Homogenisers
maintains an extensive spare parts inventory. Gaulin plunger rings
are available for fast shipment from our headquarters in the
Netherlands through our global distribution network.
We support customers worldwide with:
Replacing a Gaulin plunger ring is typically part of preventive
maintenance or a complete liquid-end overhaul. Correct part
selection is essential to ensure proper fit and long-term reliability.
Our technical specialists assist in identifying the correct Gaulin
plunger ring based on machine type, configuration and application.
This reduces the risk of ordering incorrect components and
minimizes downtime.
BOS Homogenisers was founded in 1950 and has grown into a
specialized supplier of homogenizers, refurbished machines
and spare parts for Gaulin, SPX-APV and BOS systems.
Headquartered in the Netherlands with an international
distribution network, we support customers across multiple
industries.
If you are looking for a dependable supplier of
Gaulin plunger rings, BOS Homogenisers can deliver
the right part with technical expertise and global reach.
Contact us today to request a quotation or to receive assistance
in selecting the correct Gaulin plunger ring for your homogenizer.
Looking for other Gaulin homogeniser spare parts? Browse our complete range of Gaulin replacement components:
Looking for plunger ring for other homogeniser brands? BOS Homogenisers supplies compatible replacements across all major brands:
Cilinder Block
Single piece precision from forged stainless steel. Standard utilized with spring loaded plunger packings with integrated water cooling. Valves & seats can be out of the following materials according to your specifications/ requirements: Rexalloy, Tungsten carbide.
Homogenising Valve
Find the perfect valve for your product. Choose from a variety of designs and materials, such as rexalloy, tungsten carbide, ceramic or diamond coating, and our one or two stage options.
Drive End
Our unique concept offers a quiet running machine with low eccentric shaft speeds. The electric driven oil pump lubricates all bearings, allowing capacity variation between 30 – 100% under full load.
Rexalloy: Suitable for general-purpose, wear-resistantTungsten
Carbide: Ideal for highly abrasive environment
Ceramic: Excellent chemical resistance.
Diamond Coating: Provides exceptional hardness and lifespan.


1 Alliance Fluid Handling United Kingdom Doncaster 2 Arsopi Portugal Vale de Cambra 3 Biozeen Process Tech. Switzerland/ Austria Langendorf 4 Claudio Savini & Figli Italy Milano 5 Debitron Romania Bucuresti 6 Dion Engineering Bulgaria Rousse 7 Ekso Finland Karjaa 8 FH Scandinox Denmark Tarm 9 FIPA France Pluneret 10 Frassinox Croatia Zagreb 11 GTS Spain Bergondo 12 Image Spain Madrid 13 Kuijpers Project Serve Netherlands Zelhem 14 LHS Germany Lübeck 15 Limitech Denmark Aabybro 16 Maitech Ireland Waterford 17 MP Process Poland Warsaw 18 Skala Norway Heimdal 19 Tapflo Bulgaria Sofia 20 Tapflo Croatia Matulji 21 Tapflo Hungary Szeged 22 Tapflo Kazakhstan Almaty 23 Tapflo Latvia Riga 24 Tapflo Serbia Kungälv 25 Teknoproses Turkey Ankara 26 Van der Meijden Netherlands Udenhout 27 Vantec Serbia Götene 28 Vzduchotorg Slovakia Nové M.n. Váhom
Bos Homogenisers B.V.
Adres: Oscar Romerolaan 18, 1216 TK Hilversum
Email: sales@boshomogenisers.com
Phone: +31 35 621 3190
Bos Asia Ltd. APAC
Adres: 18 Boon Lay Way, #04-112 Tradehub 21, Singapore 609966
Bos Asia Ltd. APAC
Adres: 18 Boon Lay Way, #04-112 Tradehub 21, Singapore 609966








