Low Friction Insulated U-Bolt and Backing Pad For Standard Schedule Pipe - Patented Design

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Low Friction Insulated U-Bolt and Backing Pad For Standard Schedule Pipe

Protected by U.K Patent Number 2 557 288 - All Rights reserved

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Material ZP (Zinc Plated), Galvanised, T316 Stainless Steel (A4)
Pipe Nominal Bore 15, 20, 25, 32, 40, 50, 65, 80, 90, 100, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 550, 600

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50 10% £ 8.91
80 15% £ 8.42
100 20% £ 7.92
200 25% £ 7.43
500 30% £ 6.93
1000 35% £ 6.44
2000 40% £ 5.94
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Description

Low Friction Insulated U-Bolt and Backing Pad For Standard Schedule Pipe

Protected by U.K Patent Number 2 557 288 - All Rights reserved

These ubolts have been developed to enable pipes to be securely guided with a minimum of friction so safe-guarding the pipe from expansion & contraction wear due to temperature changes; whilst also reducing the noise & vibration of the pipe.

They are fitted with a gap between the ubolt and the pipe enabling the pipe to expand & contract yet keeping it fully guided in position.

The rubber base pad acts to reduce the noise & vibration of the pipes as they carry their fluid and it is fitted with a PTFE strip to reduce the friction and hence protects the pipe as it expands & contracts.

The patented ubolt sleeve is a low friction silicone rubber that rotates around the ubolt to enable the pipe to move unrestricted but be fully guided in position on the supporting framework.

These are a much cheaper and more reliable solution to the conventional rubber lined ubolts which have PTFE bonded to the inside surface of the rubber-coated ubolt.

Although Ubolts with the PTFE strip bonded to the rubber profile around the ubolts have been in common use for many years, they are prone to the PTFE separating from the rubber due to the difference in the expansion coefficient of the rubber and the PTFE. This problem is eliminated by Graphskill’s unique solution of a single medium with minimal friction.

Used to prevent galvanic corrosion due to the contact of dissimilar metals in the presence of an electrolyte. Also, for the prevention of wear and/or crushing of composite, thin wall or non-ferrous pipework
Dimensions:
 
Size (Pipe NB) Pipe O.D. R C D L M (thread Size) Pad (W*T) Silicone (W*T) Diagram
15 21.3 12 37 31 62 M6 25 x 10 25 x 0.5 Low Friction U-Bolt Diagram
20 26.9 15 43 37 65 M6 25 x 10 25 x 0.5
25 33.7 18 50 44 65 M6 25 x 10 25 x 0.5
32 42.4 25 69 59 70 M10 25 x 10 25 x 0.5
40 48.3 29 75 65 80 M10 25 x 10 25 x 05
50 60.3 35 87 77 90 M10 25 x 10 25 x 0.5
65
80 88.9 47 115 103 100 M12 25 x 10 25 x 0.5
100 114.3 60 141 129 110 M12 25 x 10 25 x 0.5
125 139.7 73 166 154 135 M12 25 x 10 25 x 0.5
150 168.3 92 210 194 180 M16 35 x 15 35 x 0.5
 
PAD:
Neoprene Rubber. A multi-purpose material is suitable for weathering, seawater mineral oils and grease applications. Good flame retardant, excellent acid resistance, good ozone and oxidation resilience. Not suitable for resistance to aliphatic and aromatic hydrocarbons and ketones.
 
Elastomer: Neoprene
Colour: Black
Quality: Commercial
Grade: C20
Hardness: 65 shore A +/-5
S.G.: 1.4G/Cm3
Tensile MPA: 5 MIN
Elongation: 300%
Tear Strength: 20 Kg/CM
Compression Set: 35%
Operating Temperature: -20 / +110 C
Base U-Bolt Materials:
A4 (T316) Marine grade stainless steel has a greater corrosion resistance than A2 in certain environments. It is often used for Marine applications especially when coming into direct contact with saltwater.

A2 (T304) stainless steel has good resistance to corrosion except in severe industrial and Marine conditions. Use A4 in a marine environment.

BZP - Bright Zinc Plated (Grade 8.8) - A 3-micron plating is applied to the steel to give a shiny finish. Although it does afford some protection this is best suited to indoor use.

Galvanised (Grade 8.8) - A duller finish than BZP, typically 50 microns thick covering of Zinc and therefore provides much more protection suitable for many outdoor applications. To allow for this layer you should use tapped oversized nuts
 
Tolerance on dimensions +/- 1 mm. Please note that as we use roll threading, the bar diameter is slightly less than the thread diameter
 
Data sheet
Material ZP (Zinc Plated), Galvanised, T316 Stainless Steel (A4)
Pipe Nominal Bore 15, 20, 25, 32, 40, 50, 65, 80, 90, 100, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 550, 600
Product Type U-Bolt
Design Rubber Lined - Low friction
 
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Material / Finish: Zinc Plated Steel Galvanised Steel T316 (A4) Marine Grade Stainless Steel
Pipe Nominal Bore (NB): 15 20 25 32 40 50 65 80 90 100 125 150 175 200 225 250 300 350 400 450 500 550 600
Image Reference Pipe Nominal Bore (NB) Material / Finish Quantity Availability Price Add to cart
1111/BZP/023 15 Zinc Plated Steel 28 More Available in 1-14 Days £ 10.16
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1111/GALV/023 15 Galvanised Steel 56 More Available in 1-14 Days £ 9.90
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1111/T316/023 15 T316 (A4) Marine Grade Stainless Steel 76 More Available in 1-14 Days £ 10.88
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1111/BZP/029 20 Zinc Plated Steel 18 More Available in 1-14 Days £ 10.16
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1111/GALV/029 20 Galvanised Steel 69 More Available in 1-14 Days £ 10.16
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1111/T316/029 20 T316 (A4) Marine Grade Stainless Steel 32 More Available in 1-14 Days £ 10.88
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1111/BZP/036 25 Zinc Plated Steel 33 More Available in 1-14 Days £ 11.24
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1111/GALV/036 25 Galvanised Steel 45 More Available in 1-14 Days £ 10.22
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1111/T316/036 25 T316 (A4) Marine Grade Stainless Steel 63 More Available in 1-14 Days £ 11.96
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- 32 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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1111/GALV/050 32 Galvanised Steel 51 More Available in 1-14 Days £ 12.34
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1111/T316/050 32 T316 (A4) Marine Grade Stainless Steel 11 More Available in 1-14 Days £ 13.20
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1111/BZP/057 40 Zinc Plated Steel 19 More Available in 1-14 Days £ 12.54
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1111/GALV/057 40 Galvanised Steel 18 More Available in 1-14 Days £ 12.54
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1111/T316/057 40 T316 (A4) Marine Grade Stainless Steel 19 More Available in 1-14 Days £ 14.40
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1111/BZP/069 50 Zinc Plated Steel 30 More Available in 1-14 Days £ 13.20
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1111/GALV/069 50 Galvanised Steel 77 More Available in 1-14 Days £ 14.52
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1111/T316/069 50 T316 (A4) Marine Grade Stainless Steel 72 More Available in 1-14 Days £ 14.40
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- 65 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 65 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 65 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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1111/BZP/094 80 Zinc Plated Steel 49 More Available in 1-14 Days £ 17.82
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1111/GALV/094 80 Galvanised Steel 15 More Available in 1-14 Days £ 17.82
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1111/T316/094 80 T316 (A4) Marine Grade Stainless Steel 77 More Available in 1-14 Days £ 17.82
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- 90 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 90 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 90 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 100 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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1111/GALV/120 100 Galvanised Steel 25 More Available in 1-14 Days £ 19.80
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1111/T316/120 100 T316 (A4) Marine Grade Stainless Steel 18 More Available in 1-14 Days £ 20.78
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- 125 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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1111/GALV/145 125 Galvanised Steel 30 More Available in 1-14 Days £ 34.54
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- 125 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 150 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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1111/GALV/184 150 Galvanised Steel 6 More Available in 1-14 Days £ 54.00
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1111/T316/184 150 T316 (A4) Marine Grade Stainless Steel 3 More Available in 1-14 Days £ 54.00
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- 175 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 175 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 175 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 200 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 200 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 200 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 225 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 225 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 225 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 250 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 250 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 250 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 300 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 300 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 300 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 350 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 350 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 350 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 400 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 400 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 400 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 450 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 450 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 450 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 500 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 500 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 500 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 550 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 550 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 550 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 600 Zinc Plated Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 600 Galvanised Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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- 600 T316 (A4) Marine Grade Stainless Steel 0 0 Stock - More Available in 1-14 Days Ask For A Price
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