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
£3.556
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. 727-727
Mfr. Part No.VSTI1/8EDCF
BrandParker
£1.992
Each (In a Pack of 5)
Units
Steel Zinc Plated - 8mm 12.3mm G 1/8in +100°C -30°C 400 bar
RS Stock No. 727-733
Mfr. Part No.VSTI1/4EDCF
BrandParker
£2.208
Each (In a Pack of 5)
Units
Steel Zinc Plated - 12mm 17.3mm G 1/4in +100°C -30°C 400 bar
RS Stock No. 283-3420
Mfr. Part No.58298
£1.284
Each (In a Pack of 5)
Units
Glass Fibre Reinforced Plastic (GRP) Matte - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 727-749
Mfr. Part No.VSTI3/8EDCF
BrandParker
£2.57
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. 871-2253
Mfr. Part No.VSTI10X1EDCF
BrandParker
£2.48
Each
Units
Steel Zinc Plated Hollow Hex 8mm 12mm Metric - - - 400 bar
RS Stock No. 871-2269
Mfr. Part No.VSTI16x1.5EDCF
BrandParker
£4.24
Each
Units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3414
Mfr. Part No.58297
£0.886
Each (In a Pack of 5)
Units
Glass Fibre Reinforced Plastic (GRP) Matte - 11mm 18mm G 1/2in +130°C -30°C -
RS Stock No. 283-3385
Mfr. Part No.58295
£0.846
Each (In a Pack of 5)
Units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 1/4in +130°C -30°C -
RS Stock No. 283-3379
Mfr. Part No.58294
£0.846
Each (In a Pack of 5)
Units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 1/8in +130°C -30°C -
RS Stock No. 498-306
Mfr. Part No.4PNK4S
BrandParker
£1.73
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. 871-2265
Mfr. Part No.VSTI14x1.5EDCF
BrandParker
£3.51
Each
Units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 871-2278
Mfr. Part No.VSTI18x1.5EDCF
BrandParker
£4.20
Each
Units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3391
Mfr. Part No.58296
£0.846
Each (In a Pack of 5)
Units
Glass Fibre Reinforced Plastic (GRP) Matte - 9mm 16mm G 3/8in +130°C -30°C -
RS Stock No. 871-2262
Mfr. Part No.VSTI12x1.5EDCF
BrandParker
£3.36
Each
Units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 498-312
Mfr. Part No.6PNK4S
BrandParker
£2.208
Each (In a Pack of 5)
Units
Steel Yellow Chromated, Zinc Plated Hex Plug - - G 3/8in +120°C -40°C 380 bar
RS Stock No. 283-3329
Mfr. Part No.59791
£8.87
Each
Units
Aluminium Matte Anodised - 9mm 15.5mm G 1/4in +130°C -30°C -
RS Stock No. 498-334
Mfr. Part No.12PNK4S
BrandParker
£4.386
Each (In a Pack of 5)
Units
Steel Yellow Chromated, Zinc Plated - - - G 3/4in +120°C -40°C 280 bar
RS Stock No. 727-777
Mfr. Part No.VSTI1EDCF
BrandParker
£9.085
Each (In a Pack of 2)
Units
Steel Zinc Plated - 16mm 22.8mm G 1in +100°C -30°C 400 bar
RS Stock No. 498-340
Mfr. Part No.16PNK4S
BrandParker
£5.914
Each (In a Pack of 5)
Units
Steel Yellow Chromated, Zinc Plated - - - G 1in +120°C -40°C 240 bar
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These RS PRO blanking plugs also sometimes referred ...
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Female parallel thread blanking cap. Manufactured from steel to BS5200 with a zinc yellow chromated finish to give a high corrosion resistance (500 hours in salt spray test). All adaptors have a working temperature range -40 to +120°C (-3 to +120°C for plugs). Visible bite of progressive ring helps prevent ...
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Description:
Female parallel thread blanking cap. Manufactured from steel to BS5200 with a zinc yellow chromated finish to give a high corrosion resistance (500 hours in salt spray test). All adaptors have a working temperature range -40 to +120°C (-3 to +120°C for plugs). Visible bite of progressive ring helps prevent ...