Valve Bellow

A new form of Industrial Process valve is the bellow sealed valve. Because of their leakage-free functionality, these valves are commonly referred to as "Zero Leak Valves" or "Emission Free Valves

The gland packing is reinforced by a metallic Bellow cartridge when Bellow seals are used. The valve bonnet is linked to one end of the Bellow, while the stem is connected to the other. As the valve stroke occurs, the bellow movement is in one plane. Because there are no rotating movements, the fluid is completely enclosed. The fluid flows through the bottom part of the valve as per the stem movement takes place. The seal has no touch with the stem because the bellows cover it. Because the stem is the moving element of the valve, it is the source of leakage caused by gland packing wear and tear. Because to the bellow's covering of the stem, the valve functioned in a leak-free zone.

The metal's life cycle Bellow is heavily reliant on the manufacturing process. Freture manufactures them using the hydroforming technique. The qualities obtained through the hydro forming method are much superior to those obtained through other processes such as diaphragm welded bellows or mechanically drawn bellows. It is critical that the bellows have mechanical and metallurgical qualities in order to have a long cycle life.


Have a question before you buy our products? Take a look at the FAQs below.
If you don’t find the answer you’re looking for, get in touch with us here.

  • Are Valve Bellows safe?

    Valve Bellows are designed to eliminate leakage. Industries that use bellow seal valve are high-risk ones and therefore, safety is one of the most important aspect. Valve Bellows are considered to be one of the safest variety of valves used. To assure our customers, bellow seal valves by Freture come with a 36 month warranty.

  • Do I really need a Valve Bellow for my factory?

    If you are in one of the following industries, a Valve Bellow will definitely help you improve the efficiency and safety.

    • Oil and Gas Industry
    • Natural Gas Industry
    • Synthetic
    • Paper and Pulp
    • Chemical
    • Petro-Chemical
    • Textile

    If you’re from another industry looking for more details about how you can benefit from using a Valve Bellows, please get in touch with us here for further discussion.

  • How do I know which valve is ideal for me?

    Get in touch with us here and an expert from Freture Techno will help you decide.

  • Why is Freture Techno the best place to buy Valve Bellow from?

    Most of the time our clients are local hence we are easily accessible

    Our products are manufactured & Tested as per international Std. & we offered only best quality product

    We will keep stock of Std. Product for last minute urgency

    We provide products only from reputed & highly reliable manufactured

    We have an experienced technical team who will be able to understand client’s exact requirements & accordingly we will offer solutions

Industries where Valve Bellow is Used

Oil and Gas Industry
Natural Gas Industry
Paper and Pulp

Applications of Valve Bellow

  • Works well in high pressure and high temperature environments
  • Designed to eliminate leakage
  • Reliable in supply of highly volatile liquid/fluids
  • Damage-proof

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