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TECHNICAL

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Types of Flanges at The Metal Company

The range of flange types have been developed in various countries determined by the configuration and the pressure capabilities. The Metal Company stock the common flange types, including the following:

  • Table E – ASME B16.5 – Tasman thickness
  • PN 10 – BS 4504 – Tasman thickness
  • PN 16 – BS 4504 – Tasman thickness
  • ANSI 150 – ASME B16.5 – Tasman thickness

In this range you will find Tube Flanges, Pipe Flanges, BSP Threaded Flanges, Backup Flanges (also known as Backing Rings), Tube Neck Rings and Blind Flanges. Flanges are available in various sizes to suit imperial tube, schedule pipe and spiral welded tube.

The standard flange range features the following:

  • Stainless steel grade 316
  • Lightweight* (also known as Tasman thickness)
  • Flat faced (FF)
  • Slip on (SO)

Aside from the standard range, The Metal Company can source or manufacture most flange types within New Zealand or internationally. BSP threading and fabrication services are available for customisation to your requirements, including female BSP threaded flanges and custom flange drilling and welding to stainless steel fittings.

Typical industry applications include irrigation, pumping, petrochemical, geothermal, marine and food & beverage process lines.

*Although flanges are regarded as ‘Lightweight’, the flange thickness may not be light weight (thinner) than specified for some flange types.

What is an Expansion Flange used for?

How to measure a Flange

What is the difference between a Clamp and a Saddle Clamp?

How do Bossed Clamps work?

What is the difference between Tube and Pipe?

Imperial (Inches) to Metric (mm) Conversion Table

Schedule 10S and Schedule 40S Pipe Measurements

What is Spiral Welded Tube?

What is the difference between OD and ID tube?

Advantages of Press-Fit Systems

Press-Fit Stainless Steel Specifications

Press-Fit Seal Specifications

Why are BSP Fittings so common in New Zealand?

The Metal Company Flat-Faced BSP Mac Unions

Common Grades of Aluminium

The Tasman (Lightweight) Flange Thickness

About Insertion Rubber Seals

About HNBR Rubber Seals

About Nitrile Rubber (NBR) Seals

About EPDM Rubber Seals

About EPR Rubber Seals

About Silicone Rubber Seals

About Viton Rubber Seals

About Teflon PTFE Rubber Seals

Is Stainless Steel ferrous or non-ferrous?

Is Aluminium ferrous or non-ferrous?

Does Stainless Steel and Aluminium react with each other?

Does Stainless Steel rust?

What temperatures can Stainless Steel withstand?

Can Stainless Steel be welded?

Is Stainless Steel magnetic?

What is Stainless Steel?

About our sight glasses

Ball Lock Gas Fittings

About Liquid Level Gauges

About our Lugged Butterfly Valves

What does RHS, SHS and CHS stand for?

What is a Mikalor Clamp?

What is a NPT Thread?

What is the difference between cast iron and cast steel?

Butterfly Valve diagram and symbol. How do they work?

Types of Butterfly Valves and what type of valve is a Butterfly Valve?

How do you identify BSP Threads?

Is a Tri Clover Union the same as a Tri Clamp Union?

What is a Tri Clamp or Tri Clover Union Ferrule?

What does SPI stand for?

Europress 15, 22, 28 & 35 Press Joint Instructions

Europress 42, 54, 76.1, 88.9 &108 Press Joint Instructions

Possible Causes of Europress System Leaks

Thermal Expansion calculation when installing pipework

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