Bellows Sealed Valves

At Winnellie Valve and Process, we supply quality Bellows Sealed Valves in a range of design types to suit all applications. If you’re looking to buy Bellows Sealed Valves online in Australia, you need look no further than our extensive product range. If you’re unsure about which type of Bellows Sealed Valves you need for your application, or would simply like more information and guidance, Winnellie Valve and Process are only too happy to chat through your options with you.

What is a Bellows Sealed Valve?

Bellows Sealed Valves are type of valves   that are designed to stop valve leakage. The ‘bellows’ refer to constructed cartridges that are welded to both the valve bonnet and the stem of the valve. Bellow cartridges have a number of convolutions that compress or expand depending upon the movement of the valve stem itself.

How does a Bellows Sealed Valve work?

Bellows designed valves are utilised for generally high-pressure fluids (using two or three plies of the metal wall). Two-ply bellows are able to increase pressure rating up to 100% as compared to a single-ply bellow of the same thickness.

What are the best Bellows Sealed Valves?

Bellows Sealed Valves, often called ‘Zero Leak Valves’ or Emission Free Valves’ are renowned for their ability to significantly reduce any external leakage. There are two main types of bellow – Forged Bellow and Welded Bellow.

• A Forged Bellow is made from a thin, flat wall foil wrapped into a tube and is fusion welded. It is then formed into a bellow with rounded and wide-spaced folds.

• A Welded Bellow is created by welding together thin metal plates that look like washers, at both the inner and outer circumference to form a series of convolutions that are stacked and welded at the outside diameters to form a bellows capsule.

It is best practice for operators to understand the differences between the various types of Bellows Sealed Valves so the ones chosen are the best fit for the application.

Do you require assistance to buy the right Bellows Sealed Valve for your business? Contact a Winnellie Valves and Process valve expert today so they can help guide you to choosing the right valve for your application. Did you know that we also provide training on valve and process applications? Find out more about our training services.

What are typical uses of Bellows Sealed Valves?

Bellows Sealed Valves are renowned for their core sealing technology and are predominantly utilised in oil and gas and chemical industries where the flow of media from one area into another gets complicated by temperature extremes. If you are unsure if a Bellows Sealed Valve is right for you, contact a valve expert today.

How long does a Bellows Sealed Valve last?

Bellows Sealed Valves are manufactured with a variety of characteristics and factors at mind. These differences impact the overall effectiveness of the seal, so it’s best to properly understand the application so you can find the appropriate valve. Like many other types of valves, Bellows Sealed Valves require regular servicing and maintenance if you want to extend their service life.

There are a few different types and sizes of Bellows Sealed Valves available so it’s best to get in touch with a valve specialist so you can ensure you are getting the right product for your application. For more information on what type of Bellows Sealed Valve you require and tips on how to maintain your valves, contact a Winnellie Valves and Process expert today.