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FREE UK DELIVERY for all Vikan Orders over £150 GBP. MOQ £70.
1625
The Stronghold 20 Plugs are premium-quality stainless steel quick release plugs designed for professional medium pressure washdown systems operating between 10 and 40 Bar. Manufactured to the widely recognised 4ST industry standard, these plugs provide secure, reliable and efficient connections for hoses, wash guns, lances, foaming equipment and other cleaning accessories.
Engineered with a straight-through flow path, the Stronghold 20 Plug minimises turbulence within the system, allowing maximum water flow and helping to maintain optimum foam quality when used with foaming equipment. This efficient flow design contributes to improved cleaning performance while reducing unnecessary pressure losses.
Constructed from 304 stainless steel, the Stronghold 20 Plug offers outstanding corrosion resistance, making it ideal for demanding food processing, beverage production, pharmaceutical and industrial cleaning environments where hygiene and durability are essential.
Designed for quick installation and simple operation, the Stronghold 20 Plug forms part of one of the industry's most widely used quick-connect systems, providing compatibility with many leading medium pressure washdown installations.
Specification | Details |
Product | Stronghold 20 Plug |
Brand | Stronghold |
Pressure Type | Medium Pressure |
Recommended System Pressure | 10–40 Bar |
Maximum System Pressure | 80 Bar |
Rated Pressure | 248 Bar (Coupling Only) |
Maximum System Temperature | 90°C |
Rated Temperature Range | -40°C to +121°C (Coupling Only) |
Material | 304 Stainless Steel |
Standard Flow Path | ½" |
Thread Options | ½", ⅜" and ¼" Available |
Coupling Standard | 4ST Industry Standard |
Please note: The rated pressure and temperature apply to the coupling itself. The overall pressure and temperature rating of a complete hose assembly will depend on the hose, fittings and installation method used.
The Stronghold 20 range is available in a variety of configurations to suit your washdown system, including:
If you require advice on compatibility or a bespoke hose assembly, our technical team will be happy to assist.
Product | Description | Code |
Stronghold 20 4ST Coupling 3/8” Female | Female medium‑pressure coupling | 1624 |
Stronghold 20 4ST Coupling 1/2” Female | Female coupling for 1/2” systems | 1625 |
Stronghold 20 4ST Coupling 1/2” Male | Male medium‑pressure coupling | 1626 |
Stronghold 20 4ST Coupling 1/2” Male with Screw Shroud | Added shroud for secure connection | 1572 |
Stronghold 20 4ST Plug 1/4” Female | Female plug for 1/4” systems | 1627 |
Stronghold 20 4ST Plug 3/8” Female | Female plug for 3/8” systems | 1628 |
Stronghold 20 4ST Plug 1/2” Female | Female plug for 1/2” systems | 1629 |
The Stronghold 20 Plug is suitable for a wide range of industrial cleaning and washdown systems, including:
Its reliable performance makes it an ideal choice for facilities requiring frequent connection and disconnection of cleaning equipment.
The Stronghold 20 Plug has been developed to provide dependable, leak-free performance in demanding industrial washdown environments. Its industry-standard design ensures compatibility with many existing cleaning systems, while the straight-through flow path delivers efficient water flow and supports excellent foam generation.
Manufactured from corrosion-resistant stainless steel, these plugs are built to withstand frequent use in hygiene-critical environments, offering long service life and minimal maintenance. Whether used in food production, pharmaceutical facilities or industrial cleaning systems, Stronghold 20 Plugs provide a reliable connection you can depend on.
Stronghold 20 Plugs are used to create quick-release connections between hoses, wash guns, lances, foaming equipment and other components within medium pressure washdown systems.
They are designed for medium pressure washdown systems operating between 10 and 40 Bar, with a maximum system pressure of 80 Bar.
The straight-through design minimises turbulence, helping maintain high water flow rates and improving foam quality in cleaning and foaming applications.
The plugs are manufactured from 304 stainless steel, providing excellent corrosion resistance and durability in demanding industrial environments.
Yes. In addition to the standard ½-inch flow path, versions with ⅜-inch and ¼-inch thread sizes are available.
Yes. Matching couplings can be supplied with an optional screw shroud, helping prevent accidental release during operation.
Yes. Replacement O-ring seal kits are available to help maintain reliable, leak-free performance.
Stronghold 20 Plugs are widely used in food processing, dairies, breweries, pharmaceutical manufacturing, agriculture, commercial kitchens, packaging plants and industrial washdown systems.
Yes. The Stronghold 20 Plug is manufactured to the recognised 4ST industry standard, making it compatible with many leading medium pressure washdown systems that use the same connection format.
Please send us your enquiries via the following email form.