Hydraulic Blanking Plugs

Hydraulic blanking plugs provide a temporary or permanent way of covering holes in high-pressure hydraulic devices. By sealing holes you can help to prevent leaks and ensure the device operates properly. Depending on their material, hydraulic blanking plugs are resistant to corrosion, oil and most chemicals. They have a threaded shaft and a flat head with a washer.

What are hydraulic blanking plugs used for?

Hydraulic blanking plugs are used in high pressure fluid applications such as presses, pumps, cylinders, valves, relays, motors, transmissions and turbos. Any blow-off or fault is prevented with a visible hydraulic bite rings on the progressive ring. Stress is evenly distributed throughout which minimises concentration at the bite point.

How to choose the right hydraulic blanking plugs

Hydraulic systems work at high pressures, applying extreme load and vibration to fittings. When choosing the right hydraulic blanking plugs, the technical specifications should be carefully considered. These factors include maximum temperature and pressure, as well as material. Steel hydraulic blanking plugs have a high resistance to corrosion, and plastic plugs are solvent, oil, grease and chemical resistant.


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Description Price Material Finish Head Hex Type Thread Length Overall Length Thread Standard Thread Size Maximum Operating Temperature Minimum Operating Temperature Maximum Operating Pressure
RS Stock No. 727-755
Mfr. Part No.VSTI1/2EDCF
BrandParker
HK$47.238
Each (In a Pack of 5)
units
Steel Zinc Plated - 14mm 19.3mm G 1/2in +100°C -30°C 400 bar
RS Stock No. 283-3363
Mfr. Part No.59821
HK$139.68
Each
units
Aluminium Matte Anodised - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 914-9508
Mfr. Part No.59725
HK$82.94
Each
units
Aluminium Black Anodised - 11mm 41.5mm G 1/2in +100°C -30°C -
RS Stock No. 871-2269
Mfr. Part No.VSTI16x1.5EDCF
BrandParker
HK$50.45
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 286-6874
Mfr. Part No.58299
HK$18.098
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 13mm 22mm G 1in +130°C -30°C -
RS Stock No. 871-2278
Mfr. Part No.VSTI18x1.5EDCF
BrandParker
HK$49.97
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 498-306
Mfr. Part No.4PNK4S
BrandParker
HK$20.582
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated Hex Plug - - G 1/4in +120°C -40°C 450 bar
RS Stock No. 727-749
Mfr. Part No.VSTI3/8EDCF
BrandParker
HK$30.576
Each (In a Pack of 5)
units
Steel Zinc Plated - 12mm 17.3mm G 3/8in +100°C -30°C 400 bar
RS Stock No. 727-777
Mfr. Part No.VSTI1EDCF
BrandParker
HK$108.09
Each (In a Pack of 2)
units
Steel Zinc Plated - 16mm 22.8mm G 1in +100°C -30°C 400 bar
RS Stock No. 283-3329
Mfr. Part No.59791
HK$101.47
Each
units
Aluminium Matte Anodised - 9mm 15.5mm G 1/4in +130°C -30°C -
RS Stock No. 914-9505
Mfr. Part No.59729
HK$112.25
Each
units
Aluminium Black Anodised - 11.5mm 44mm G 1in +100°C -30°C -
RS Stock No. 871-2265
Mfr. Part No.VSTI14x1.5EDCF
BrandParker
HK$41.76
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3313
Mfr. Part No.58641
HK$19.174
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 13mm 22mm G 1in +130°C -30°C -
RS Stock No. 283-3307
Mfr. Part No.58631
HK$15.764
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 12mm 20mm G 3/4in +130°C -30°C -