The Diploma Australia Seals (DAS) Group brings together Australia's leading specialists in hydraulic sealing, mechanical sealing, pump systems, and corrosion protection — united under the Diploma PLC banner to deliver unmatched technical capability and coverage.
The DAS Group brings together a family of highly specialised Australian businesses under a single, coordinated banner.
Each company within the group operates with its own identity and technical focus — but shares resources, supplier relationships, and a common commitment to providing long-term, engineered solutions across the sealing, pumping, and corrosion-protection sectors.
Our collective reach spans Oil & Gas, Mining, Civil, Water, Municipal, Power Generation, and Industrial markets across Australia and the Asia-Pacific region.
The DAS Group is a subsidiary of Diploma PLC — a FTSE 100 company listed on the London Stock Exchange, with international operations spanning 15 countries across North America, Europe, and Australasia.
Diploma PLC specialises in the distribution of specialised technical products and services, operating through three global divisions: Seals, Controls, and Life Sciences.
Acquired December 2025 — Hydraulic Seals Australia joined the Diploma PLC family alongside existing Diploma-owned businesses TotalSeal, PUMPNSEAL, FITT Resources, and Anti Corrosion Technology.
Five specialist businesses. One coordinated group. Together, we cover the full spectrum of sealing, pumping, and protective coating solutions across Australia.
Hydraulic Seals Australia (HSA) is a specialist supplier of hydraulic and pneumatic sealing solutions, serving industries across Australia with a comprehensive product range and deep technical expertise.
As the newest member of the DAS Group — joining in December 2025 — HSA brings decades of hydraulic sealing knowledge into the fold, complementing the group's existing capabilities in mechanical sealing, pump systems, and corrosion control. HSA's integration gives the broader group expanded reach into hydraulic applications across Mining, Civil, Mobile Equipment, and Industrial sectors.
HSA operates with the support of Diploma PLC's global network and the DAS Group's shared supplier partnerships — including Hercules Sealing Products, FPE Seals, M Seals, and Abbey Seals — ensuring access to over 60,000 product lines and best-in-class technical resources.
An internationally recognised brand founded in 2000, TOTALSEAL® focuses on high-performance mechanical sealing and seal support systems — servicing both existing assets and delivering purpose-designed TOTALSEAL® sealing products.
Committed to quality, innovation, and ongoing environmental and safety responsibilities, TotalSeal continues to evolve its product offering to meet the demands of modern industrial operations.
totalseal.net.auAn Australian-operated business established in 2000, PUMPNSEAL is a specialist supplier of process pumps, pumping systems, and sealing solutions. Serving Oil & Gas, Mining, Civil, Industrial, Municipal, and Commercial sectors, PumpnSeal brings a tailored, long-term approach to every client engagement.
Their culture is built around local knowledge and expert advice — digging deeper to understand each client's real operational needs and delivering bespoke solutions backed by Diploma PLC's international capabilities.
pumpnseal.com.auFITT Resources specialises in the supply of premium mechanical engineering products, parts, and servicing for rotating and static equipment across a wide range of industrial activities. Their approach delivers "tank to tank" solutions that reduce whole-of-life costs through improved equipment efficiency, reliability, and reduced energy consumption and downtime.
Their internationally accredited portfolio includes pumps, composites, filtration, and sealing devices — complemented by a comprehensive range of engineering service solutions.
fittresources.com.auAn established, trusted, and respected engineering company with 15+ years servicing Oil & Gas, Mining, Water, and Power Generation industries. ACT is proud to be the sole and exclusive Australasian distributor of STOPAQ® — the pioneer of visco-elastic corrosion protective coatings and sealants — covering Australia, New Zealand, Papua New Guinea, and New Caledonia.
ACT offers unique, cost-effective solutions for HDD pipeline installation, road crossing protection, underwater rehabilitation, and lay-up barge corrosion schemes, alongside a curated suite of protective products for Oil & Gas pipeline operations.
anticorrosiontechnology.comThe DAS Group is supported by a curated network of world-class international suppliers — providing access to an extensive range of sealing products, fast dispatch, and specialist technical expertise to complement our in-house capabilities.
A leading aftermarket hydraulic repair parts supplier with access to over 100 brands and a 60,000+ SKU inventory available for fast dispatch. With decades of industry experience, Hercules is a trusted partner for hydraulic sealing solutions across global markets.
herculesus.comAn established international sealing solutions supplier with locations across the UK and Netherlands. ISO-certified and focused on rapid, responsive service, FPE Seals supports engineers, repairers, and resellers with a comprehensive product range, express machined seals, and legacy seal sourcing.
fpeseals.comA global sealing solutions manufacturer and supplier founded in 1963, with over 60 years of experience designing, manufacturing, and supplying both standard and customised sealing components. M Seals' in-house engineering, testing, and quality control ensures reliable, high-quality outcomes across a wide range of applications.
m-seals.comIreland's leading provider of seals and gaskets since 1983, Abbey Seals is a second-generation family business operating from manufacturing and warehousing facilities in Dublin and Cork. Their parts serve agriculture, food and beverage, pharmaceuticals, water treatment, energy production, and heavy construction — working in millions of applications worldwide.
Abbey Seals carries an extensive range of gaskets, O-rings, and seals in stock, and can manufacture custom components in-house when standard parts won't do. Their Cork facility houses two CAD knife-cutting tables for precision custom gaskets, and CNC lathes for seal manufacturing — making them the only company in Ireland that manufactures both seals and gaskets. Fast turnaround is guaranteed through their Abbey Seals Xpress service, with same-day shipping on orders placed before 4pm, to anywhere in the world.
abbeyseals.ieWhether you need hydraulic sealing, mechanical seal support, pump systems, or corrosion protection — the DAS Group has the technical depth to deliver.
