About us

John Mayes Engineers

John Mayes Engineers have been a family run business since their conception in 1959. A small company with a long serving work force, they have steadily grown into an important supplier for the Petro-chemical, process, energy and allied industries. They were one of the fore-runners to stock and manufacture fittings in chrome-moly materials such as F5, F9, F11 and F22. Continued diversity in both materials and products manufactured has ensured continuity with customers – new and old.

“Customer service is our main focus. It is our philosophy to deliver exactly what our customers need, exactly when they need it. If a customer needs an item tomorrow, it’s no good telling them delivery is going to be a week. We supply components into demanding markets; and as such, delivery is as critical as the quality, price and materials we use. As a consequence, we find that we are constantly juggling jobs around in order to satisfy our customer needs. After all, we can only sell an item when a customer wants to buy it.” - John Mayes

British Standard (BS) - Pipe Fittings

Chrome Molybdenum - Pipe Fittings

CNC - Turning, Duplex

CNC - Turning, Stainless Steel Components

Connectors - Stainless Steel

Cupro Nickel - Fittings

Nickel Alloy - Fittings, Flanges

Pipe Duplex Elbows

Pipe Duplex Reducers

Pipe Fittings - 3000 LB Stainless Steel

Pipe Fittings - Branch Outlet, Reinforced Welded

Pipe Fittings - Carbon Steel

Pipe Fittings - Check Valve Fitting

Pipe Fittings - Copper Nickel

Pipe Fittings - Duplex

Pipe Fittings - Exporters

Pipe Fittings - Forged

Pipe Fittings - High Pressure

Pipe Fittings - Hydraulic

Pipe Fittings - National Pipe Thread (NPT)

Pipe Fittings - Nickel Alloy

Pipe Fittings - Reducing Connectors

Pipe Fittings - Small Bore

Pipe Fittings - Stainless Steel

Pipe Fittings - Steel

Pipe Fittings - Stockholders

Pipe Fittings - Super Duplex

Pipe Fittings - Tees, Duplex

Pipe Fittings - Titanium

Pipe Flange Outlets

Pipe Hexagonal Bushes

Pipe Hexagonal Nipples

Pipe Joints - Fittings

Pipe Unions - Stainless Steel

Pipeline - Fittings, Stockholders

Pipeline Fittings - Couplings

Pipes - Corrosion Resistant

Pipes - Stainless Steel

Plastic - Pipe, Tubing - Fittings and Accessories

Precision Turned Parts - Non Ferrous Materials

Precision Turned Parts - Stainless Steel

Stainless Steel - ANSI Pipe And Fittings

Stainless Steel - Nominal Bore Fittings

Stainless Steel - NPT Fittings

Stainless Steel - Pipe Fittings

Stainless Steel - Pipe Tube Fittings

Stainless Steel Components - Chemical Industry

Stainless Steel Components - Petrochemical Industry

Titanium - Machinists

Tube Fittings - Stainless Steel


Products/Services

1 9000lb SW 90 deg Elbow F304/304L

1 9000lb SW 90 deg Elbow F304/304L

1 9000lb SW 90 deg Elbow F304/304L

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1 Screwed 45 Deg Forging A105/LF2

1 Screwed 45 Deg Forging A105/LF2

1 Screwed 45 Deg Forging A105/LF2

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1 Screwed 90 Deg Forging A105/LF2

1 Screwed 90 Deg Forging A105/LF2

1 Screwed 90 Deg Forging A105/LF2

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1 screwed Tee Forging A105/LF2

1 screwed Tee Forging A105/LF2

1 screwed Tee Forging A105/LF2

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1" (3M/6M) BSPP Hex Head Plug 17-4PH

1" (3M/6M) BSPP Hex Head Plug 17-4PH

1" (3M/6M) BSPP Hex Head Plug 17-4PH

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1" (3M/6M) BSPP Hex Head Plug 304/304L Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 304/304L Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 304/304L Stainless Steel

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1" (3M/6M) BSPP Hex Head Plug 321/321H Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 321/321H Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 321/321H Stainless Steel

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1" (3M/6M) BSPP Hex Head Plug 347 Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 347 Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 347 Stainless Steel

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1" (3M/6M) BSPP Hex Head Plug 410 Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 410 Stainless Steel

1" (3M/6M) BSPP Hex Head Plug 410 Stainless Steel

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1" (3M/6M) BSPP Hex Head Plug 90/10

1" (3M/6M) BSPP Hex Head Plug 90/10

1" (3M/6M) BSPP Hex Head Plug 90/10

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1" (3M/6M) BSPP Hex Head Plug Acetyl

1" (3M/6M) BSPP Hex Head Plug Acetyl

1" (3M/6M) BSPP Hex Head Plug Acetyl

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1" (3M/6M) BSPP Hex Head Plug Alloy 400

1" (3M/6M) BSPP Hex Head Plug Alloy 400

1" (3M/6M) BSPP Hex Head Plug Alloy 400

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1" (3M/6M) BSPP Hex Head Plug Alloy 625

1" (3M/6M) BSPP Hex Head Plug Alloy 625

1" (3M/6M) BSPP Hex Head Plug Alloy 625

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1" (3M/6M) BSPP Hex Head Plug Alloy 825

1" (3M/6M) BSPP Hex Head Plug Alloy 825

1" (3M/6M) BSPP Hex Head Plug Alloy 825

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1" (3M/6M) BSPP Hex Head Plug F11 Class2

1" (3M/6M) BSPP Hex Head Plug F11 Class2

1" (3M/6M) BSPP Hex Head Plug F11 Class2

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1" (3M/6M) BSPP Hex Head Plug F22

1" (3M/6M) BSPP Hex Head Plug F22

1" (3M/6M) BSPP Hex Head Plug F22

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1" (3M/6M) BSPP Hex Head Plug F44

1" (3M/6M) BSPP Hex Head Plug F44

1" (3M/6M) BSPP Hex Head Plug F44

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1" (3M/6M) BSPP Hex Head Plug F5

1" (3M/6M) BSPP Hex Head Plug F5

1" (3M/6M) BSPP Hex Head Plug F5

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1" (3M/6M) BSPP Hex Head Plug F51 Duplex

1" (3M/6M) BSPP Hex Head Plug F51 Duplex

1" (3M/6M) BSPP Hex Head Plug F51 Duplex

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1" (3M/6M) BSPP Hex Head Plug F53 Super Duplex

1" (3M/6M) BSPP Hex Head Plug F53 Super Duplex

1" (3M/6M) BSPP Hex Head Plug F53 Super Duplex

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1" (3M/6M) BSPP Hex Head Plug F55 Super Duplex

1" (3M/6M) BSPP Hex Head Plug F55 Super Duplex

1" (3M/6M) BSPP Hex Head Plug F55 Super Duplex

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1" (3M/6M) BSPP Hex Head Plug F9

1" (3M/6M) BSPP Hex Head Plug F9

1" (3M/6M) BSPP Hex Head Plug F9

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1" (3M/6M) BSPP Hex Head Plug F91

1" (3M/6M) BSPP Hex Head Plug F91

1" (3M/6M) BSPP Hex Head Plug F91

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1" (3M/6M) BSPP Hex Head Plug Hastelloy C276

1" (3M/6M) BSPP Hex Head Plug Hastelloy C276

1" (3M/6M) BSPP Hex Head Plug Hastelloy C276

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1" (3M/6M) BSPP Plug 316/316L Stainless Steel

1" (3M/6M) BSPP Plug 316/316L Stainless Steel

1" (3M/6M) BSPP Plug 316/316L Stainless Steel

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1" (3M/6M) BSPP Plug 316/316L Stainless Steel

1" (3M/6M) BSPP Plug 316/316L Stainless Steel

1" (3M/6M) BSPP Plug 316/316L Stainless Steel

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1" (3M/6M) BSPP Round Head Plug 17-4PH

1" (3M/6M) BSPP Round Head Plug 17-4PH

1" (3M/6M) BSPP Round Head Plug 17-4PH

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1" (3M/6M) BSPP Round Head Plug 304/304L Stainless Steel

1" (3M/6M) BSPP Round Head Plug 304/304L Stainless Steel

1" (3M/6M) BSPP Round Head Plug 304/304L Stainless Steel

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1" (3M/6M) BSPP Round Head Plug 321/321H Stainless Steel

1" (3M/6M) BSPP Round Head Plug 321/321H Stainless Steel

1" (3M/6M) BSPP Round Head Plug 321/321H Stainless Steel

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1" (3M/6M) BSPP Round Head Plug 347 Stainless Steel

1" (3M/6M) BSPP Round Head Plug 347 Stainless Steel

1" (3M/6M) BSPP Round Head Plug 347 Stainless Steel

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30 of 5488 Products/Services

1 of 183 Pages

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John Mayes Engineers

  • Roman Way
  • Fison Way Industrial Estate
  • Thetford
  • Norfolk
  • IP24 1XB

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