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. 498-306
Mfr. Part No.4PNK4S
BrandParker
MYR10.802
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. 727-733
Mfr. Part No.VSTI1/4EDCF
BrandParker
MYR13.786
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. 727-749
Mfr. Part No.VSTI3/8EDCF
BrandParker
MYR18.354
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. 727-755
Mfr. Part No.VSTI1/2EDCF
BrandParker
MYR22.202
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. 914-9498
Mfr. Part No.59723
MYR41.54
Each
units
Aluminium Black Anodised - 9mm 38.5mm G 3/8in +100°C -30°C -
RS Stock No. 914-9501
Mfr. Part No.59727
MYR62.62
Each
units
Aluminium Black Anodised - 11.5mm 44mm G 3/4in +100°C -30°C -
RS Stock No. 141-7294
Mfr. Part No.58296-EX
BrandElesa
MYR305.64
1 Pack of 1
Pack(s)
- - - - - - - - - -
RS Stock No. 283-3290
Mfr. Part No.58621
MYR5.91
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. 283-3414
Mfr. Part No.58297
MYR5.32
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. 498-334
Mfr. Part No.12PNK4S
BrandParker
MYR30.426
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated - - - G 3/4in +120°C -40°C 280 bar
RS Stock No. 498-340
Mfr. Part No.16PNK4S
BrandParker
MYR36.924
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated - - - G 1in +120°C -40°C 240 bar
RS Stock No. 871-2278
Mfr. Part No.VSTI18x1.5EDCF
BrandParker
MYR24.77
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3385
Mfr. Part No.58295
MYR4.966
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. 283-3313
Mfr. Part No.58641
MYR11.18
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 13mm 22mm G 1in +130°C -30°C -
RS Stock No. 286-6874
Mfr. Part No.58299
MYR9.496
Each (In a Pack of 5)
units
Glass Fibre Reinforced Plastic (GRP) Matte - 13mm 22mm G 1in +130°C -30°C -
RS Stock No. 914-9482
Mfr. Part No.58411
MYR16.69
Each
units
Polyamide Based Technopolymer Matte - 14mm 24mm G 1-1/4in +100°C -30°C -
RS Stock No. 871-2265
Mfr. Part No.VSTI14x1.5EDCF
BrandParker
MYR20.70
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 283-3379
Mfr. Part No.58294
MYR5.81
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. 914-9505
Mfr. Part No.59729
MYR64.41
Each
units
Aluminium Black Anodised - 11.5mm 44mm G 1in +100°C -30°C -
RS Stock No. 727-727
Mfr. Part No.VSTI1/8EDCF
BrandParker
MYR12.436
Each (In a Pack of 5)
units
Steel Zinc Plated - 8mm 12.3mm G 1/8in +100°C -30°C 400 bar