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. 283-3414
Mfr. Part No.58297
SGD1.612
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. 283-3335
Mfr. Part No.59801
SGD16.25
Each
units
Aluminium Matte Anodised - 9mm 15.5mm G 3/8in +130°C -30°C -
RS Stock No. 498-306
Mfr. Part No.4PNK4S
BrandParker
SGD3.66
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. 914-9482
Mfr. Part No.58411
SGD5.53
Each
units
Polyamide Based Technopolymer Matte - 14mm 24mm G 1-1/4in +100°C -30°C -
RS Stock No. 283-3379
Mfr. Part No.58294
SGD1.526
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. 914-9491
Mfr. Part No.58413
SGD6.66
Each
units
Polyamide Based Technopolymer Matte Hex Plug 15mm 26mm G 1-1/2in +100°C -30°C -
RS Stock No. 498-334
Mfr. Part No.12PNK4S
BrandParker
SGD9.278
Each (In a Pack of 5)
units
Steel Yellow Chromated, Zinc Plated - - - G 3/4in +120°C -40°C 280 bar
RS Stock No. 914-9501
Mfr. Part No.59727
SGD18.55
Each
units
Aluminium Black Anodised - 11.5mm 44mm G 3/4in +100°C -30°C -
RS Stock No. 871-2269
Mfr. Part No.VSTI16x1.5EDCF
BrandParker
SGD9.18
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 914-9505
Mfr. Part No.59729
SGD20.06
Each
units
Aluminium Black Anodised - 11.5mm 44mm G 1in +100°C -30°C -
RS Stock No. 283-3307
Mfr. Part No.58631
SGD2.802
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. 283-3363
Mfr. Part No.59821
SGD22.21
Each
units
Aluminium Matte Anodised - 12mm 20mm G 3/4in +130°C -30°C -
RS Stock No. 141-7296
Mfr. Part No.58298-EX
BrandElesa
SGD116.19
1 Pack of 1
Pack(s)
- - - - - - - - - -
RS Stock No. 871-2278
Mfr. Part No.VSTI18x1.5EDCF
BrandParker
SGD8.75
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 871-2265
Mfr. Part No.VSTI14x1.5EDCF
BrandParker
SGD7.54
Each
units
Steel Zinc Plated Hollow Hex 12mm 17mm Metric - - - 400 bar
RS Stock No. 141-7294
Mfr. Part No.58296-EX
BrandElesa
SGD97.33
1 Pack of 1
Pack(s)
- - - - - - - - - -