In the industry which requires leak proof, durable and high performance flow control valves we see that bellows seal designs which emerge as the most reliable solution. As a prominent player for Bellow Seal Globe Valve Manufacturer in India, Speciality Valve supplies engineered solutions for segments which tolerate no valve which has the chance of leakage where it may cause safety issues, product loss or environmental problems. Our valves which are very much in use in oil and gas, petrochemical, power plants, steam and cryogenic applications report in to their advanced sealing performance and long service life.

What is Bellow Seal Globe Valve?

A bellow sealed globe valve is a special design of globe valve which has a metallic bellow in it for the purpose of no leak performance. We see this different from the common globe valves which use gland packing for their seal. In our bellow sealed globe valve we have a flexible metal bellows which is welded into the bonnet and the valve stem. This creates a perfect seal which in turn produces zero leakage and also reduces the requirement for maintenance.

For critical services of toxic, hazardous, or expensive fluids which require absolute sealing we use it.

How Does Bellow Seal Globe Valve Work?

In terms of operation a bellow seal globe valve is very much like a standard globe valve. The stem moves the disc up and down which in turn regulates or breaks the flow of fluid. What does differ is the bellow design.

1. The metal bellows expand and compress with stem movement which in turn seals off the path between the fluid and the atmosphere.
2. As the valve is opened the disc rises to allow flow.
3. When the disc is in the closed position it contacts the seat which in turn provides tight shutoff.
4. In the event of bellow failure the secondary packing will set in.

This dual seal design improves safety and reliability which in turn makes it appropriate for high temperature steam, high pressure gas, and corrosive chemical applications.

What is the Principle of Bellow Seal Globe Valve?

The principle of a bellow seal globe valve is that of a hermetically sealed environment which is achieved via a welded metal bellows. This valve is designed to do away with external emissions by which we form a flexible shield between the fluid within and the air.

Unlike what we see in conventional globe valves which may develop leaks as a result of packing wear, the bellow design provides:

• Zero leakage along the stem
• Extended wear life through reduction of packing friction.
• Lower maintenance cost
• Enhanced environmental safety

What Material is Used for Bellow Seals?

Below which we have used stainless steel, Inconel, Hastelloy, or Alloy steel as the material to which this component is made which varies by application.

• Stainless Steel (304, 316) for general industry and chemical systems.
• Inconel Hastelloy which is known for its high corrosion resistance in severe chemical environments.
• Carbon steel or Cast steel for steam, water, and oil service.
• Alloy Steel In high temp power plants.

The valve body is of cast steel, forged steel, stainless steel, duplex steel, or bronze which we use to meet a variety of industrial needs.

Components of Bellow Seal Globe Valve

Like for all globe valves we have that they include which are the critical components:

1. Main assembly which contains internal parts.
2. Bonnet which covers and protects the stem and bellow.
3. Stem – attaches the actuator or handwheel to the disc.
4. Disc Plug controls fluid flow.
5. Seat – Ensures leak-tight shutoff
6. Below Seal which is for hermetic sealing between bonnet and stem.
7. Packing – Secondary sealing backup

Applications of Bellow Seal Globe Valve

Below we see that globe valves are used in many industrial applications which require absolute leak prevention.

1. Petrochemicals For the control of dangerous chemical flow.
2. Power Stations Steam service in high pressure and high temperature pipelines.
3. Cryogenic Products Liquid nitrogen, oxygen, and LNG we offer.
4. Pharmaceuticals Pure and sterile processes.
5. Chemical Plants Control of corrosive acids and toxic media.
6. Nuclear Power Against radioactive waste spillage.

Bellow Seal Globe Valve Vs Globe Valve

While the same principle of flow regulation is applied to both valves’ design, in terms of sealing and performance they differ.

Thus, industries handling toxic, high-value, or high-pressure media prefer bellow seal globe valves for enhanced safety.

Advantages of Bellow Seal Globe Valve

• Leak-proof sealing - Prevents fugitive emissions
• Extended life of Reduced wear and tear on packaging.
• Energy efficient - Prevents fluid losses
• Improved safety - for hazardous materials .
• Reliable shut off for zero leakage.
• Low care Between service intervals of greater length.

Why Choose Bellow Seal Globe Valve from Speciality Valve?

Specialized Valve is a counted Bellow Seal Globe Valve Manufacturer in India which provides valves to API, DIN, BS, and ANSI standards. We manufacture with premium alloys and advanced sealing designs which in turn gives our products reliable performance in harsh industrial settings.

Key reasons to choose us:

• Wide variety of industrial valves which include globe valves, ball valves, check valves, gate valves, and control valves.
• Custom designed for cryogenic and high temperature service.
• Durable and precision-engineered for long-lasting performance
• Global supply network with timely delivery

In India we are seeing a large growth of the use of bellow seal globe valves which is a result of the increase in safety standards, introduction of more stringent environmental regulations, and also the issue of almost zero tolerance for leaks in key industries. What we are also see is that these valves which feature advanced metallic bellows, dual seal design, and very robust structure are in fact setting a new bar for reliability in petrochemical, power, nuclear and pharmaceutical settings.

Choosing a trusted in the industry partner for Bellow Seal Globe Valve Manufacturer in India like Speciality Valve is what brings to the table quality and high performance valves which we tailor to fit your specific needs.

Specifications of Bellow Seal Globe Valve

• Size Range: 5" to 24.
• Body Material: Forged steel, stainless steel, duplex steel, alloy steel, bronze.
• End Connections: Flange, Butt weld, Socket weld, Screwed.
• Design Standards: API 602 ASME B16.34 DIN BS ISO also includes.
• Pressure Rating: From Class 150 to Class 2500.
• Temperature Range: From -196°C (cryogenic) to +600°C (high temperature service).
• Operation: Hand wheel, Gear, Pneumatic actuator, Electric actuator.
• Sealing Element: Stainless Steel, Inconel, Hastelloy diaphragms which also refer to bellows.

Visit Us: https://www.specialityvalve.com/product-category/bellow-seal-globe-valve/, for global supply and quality valves.

ADDRESS - 41, 2nd floor, Balasundaram Road, Coimbatore, Tamil Nadu 641018