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About our sight glasses

Sight glasses are part of our Process Equipment range that has been developed to provide better access to specialist process equipment that is commonly used across New Zealand in the food and beverage industries.

The Metal Company offers the Sight Glass with tube, Tri Clover ferrules and RJT male-female connections. These are of exceptional quality and can withstand up to 500PSI / 34Bar working pressure.

The actual ‘glass’ tube is made of polycarbonate which can withstand temperatures up to 140°C; however, borosilicate glass tubes are also available for withstanding higher temperatures up to 230°C. The standard seals holding the glass in place are made of the PTFE rubber and kits are available for replacing seals that have worn over time.

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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