TECHNICAL

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What does RJT stand for?

RJT is an acronym for Ring Joint Type. RJT unions are often referred to as a standard sanitary union. They comprise of a stepped seal which leaves a small crevice where the liner and male part of the union overlap. RJT unions are very popular for frequently dismantled sections of pipework. The Metal Company stock RJT union in sizes ½”, ¾” and 1¼” which are uncommon in New Zealand.

What does DIN stand for?

What is the difference between RJT and DIN?

About DIN Inch Fittings

What is a Tri Clover union?

Union Maximum Pressure Ratings

C Spanner Basics

Camlock Basics

Camlock Name Calling

Gold vs Silver Camlock Handles

About Our Hosetail Adapters

The Metal Company BSP Thread Adapters

Sizing up Tube

Sizing up Schedule Pipe

What is the difference between A and E Series Butterfly Valves?

How does an Inline Non-Return Valve work?

Advantages of Mini Ball Valves from The Metal Company

What is the difference between a Gate and Globe Valve?

Different types of BSP Non-Return Valves

L Port Valve verses T Port Valve

Types of Flanges at The Metal Company

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 Turret 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?