Bellows globe valves, also known as bellows seal globe valves, feature a dual sealing system combining bellows and packing. This innovative design ensures reliable sealing performance, particularly in applications requiring high sealing reliability for steam, heat transfer oil, and highly toxic or corrosive media.

Key Applications:

• Steam and heat transfer oil systems
• Toxic and corrosive media pipelines
• Industrial, power generation, and natural gas processing facilities

2. Product Features

1. Metal bellows provide a durable barrier, ensuring zero leakage from the valve stem.
2. Conical valve disc design offers superior sealing performance and extended service life.
3. Dual sealing (bellows + packing) prevents leakage even if the bellows fail, meeting international sealing standards.
4. Integrated grease fitting allows direct lubrication of the valve stem, nut, and shaft sleeve for smoother operation.
5. Ergonomically designed handwheel ensures ease of use, reliability, and longer service life.
6. Prevents fluid loss, reducing energy consumption and improving safety.
7. Hard alloy welded sealing surface is wear-resistant, corrosion-resistant, and minimizes maintenance costs.
8. Valve stem is treated with quenching and surface nitriding for enhanced corrosion and friction resistance.
9. Clear and intuitive valve stem position indicators improve operational control.

3. Technical Parameters

• Size: DN15-500mm
• Pressure: PN16-PN160, 150LB-2500LB
• Temperature: -196℃ to 550℃
• Body Materials: Cast steel, stainless steel, forged steel, chromium-molybdenum steel
• Connection Types: Flange, threaded, welded
• Working Media: Flammable, explosive, toxic fluids, high-temperature heat transfer oil, liquid ammonia, and more

Bellows Globe Valve最先出现在USA VTON GROUP。

The steam globe valve is specifically designed for installation on steam pipelines to control the flow of steam. Made with stainless steel or titanium alloy bellows as the valve stem sealing element, these valves prevent steam leakage and ensure optimal performance in high-temperature environments.

Applications:
Widely used in food processing, pharmaceuticals, petroleum, chemicals, natural gas, steel, environmental protection, and papermaking. They are also suitable for boilers, municipal systems, and everyday industrial needs.

2. Technical Parameters

• Connection Types: Flange, welded, threaded
• Actuation: Manual (DN15-DN1000)
• Working Pressure: PN1.6 ~ PN16MPa, 150LB ~ 1500LB
• Working Temperature: -60℃ ~ 550℃
• Media: Water, oil, steam, and other fluids
• Body Materials: Carbon steel, stainless steel, alloy steel
• Packing: Flexible graphite, PTFE
• Stem Material: Chrome stainless steel Cr13, stainless steel
• Body Finish:
  • Cast steel: Matte violet-blue
  • Stainless steel: Natural finish (effective rust prevention)

3. Product Features

1. Simple structure, easy to manufacture and maintain.
2. Small working stroke and quick opening/closing time.
3. Excellent sealing performance, low friction between sealing surfaces, and long service life.
4. Valve stem does not contact the medium at high temperatures, ensuring zero leakage.
5. High strength and toughness, capable of tens of thousands of opening and closing cycles.
6. Ergonomic handwheel design for effortless operation and extended durability.

4. Product Diagram

Steam Globe Valve最先出现在USA VTON GROUP。

The VTON forged high-pressure globe valve, also known as a high-pressure forged globe valve or high-temperature and high-pressure globe valve, is manufactured using an integral forging method. It features threaded, welded, or flanged connections and is designed for exceptional pressure resistance and sealing performance.

This valve is ideal for industrial pipelines in applications such as steel manufacturing, petroleum, chemical processing, gas distribution, boilers, papermaking, textiles, pharmaceuticals, and power generation. Depending on the material selection, it can handle various media, including water, steam, oil, nitric acid, acetic acid, oxidizing agents, and urea. The A105 forged globe valve is highly reliable, offering low fluid resistance, a wide operating pressure and temperature range, and superior sealing performance.

2. Technical Parameters

3. Features of Forged High-Pressure Globe Valve

1. Compact Design and Reliability: The valve is designed with a compact and durable structure, featuring a visually appealing finish.
2. High-Quality Materials: The body is made of A105 forged steel, with the sealing ring constructed from PTFE engineering plastic, ensuring excellent pressure resistance and sealing performance.
3. Wear and Heat Resistance: The valve seat and sealing surfaces are hardened through quenching, making them resistant to wear and scratches even under high-temperature and high-pressure conditions.
4. Dual-Seal Technology: The valve bonnet incorporates two 90° sealing cones that, combined with the sealing ring, provide double protection against fluid leakage.
5. Enhanced Durability: The cone design prevents medium ingress into the packing area, extending the service life of the valve and maintaining reliable performance.
6. Easy Operation: The ergonomic handle ensures smooth and efficient operation, allowing for precise control with minimal effort.

4. Applications

The VTON forged high-pressure globe valve is designed for critical industrial applications, ensuring safe and reliable operation in environments with high-pressure and high-temperature requirements. Its versatility, durable construction, and excellent sealing properties make it suitable for a wide range of industries:

• Steel Manufacturing
• Petrochemical Processing
• Boiler Systems
• Gas and Energy Pipelines
• Water Supply and Drainage Systems
• Pharmaceutical and Food Processing

Forged High-Pressure Globe Valve最先出现在USA VTON GROUP。

The low-temperature shut-off valve, also known as LNG shut-off valve, liquid nitrogen shut-off valve, liquid oxygen shut-off valve, liquid argon shut-off valve, and liquefied natural gas shut-off valve, is specifically designed for managing low-temperature liquids such as LO2, LN2, LAR, and LNG. These valves are essential for storage and transportation systems, offering:

• Flexible operation
• Reliable sealing performance
• Suitability for other cryogenic media

VTON’s range of low-temperature globe valves includes the following options to meet diverse requirements:

• Short-sleeved low-temperature globe valves
• Long-sleeved low-temperature globe valves
• Stainless steel low-temperature globe valves
• Welded low-temperature globe valves
• Flanged low-temperature globe valves
• LNG-specific low-temperature globe valves

These valves are extensively applied in industries such as ethylene production, liquefied natural gas facilities, LPG/LNG storage tanks, air separation equipment, petrochemical tail gas separation systems, and pressure swing adsorption oxygen production equipment.

2. Technical Parameters

• Nominal Diameter: DN10-200
• Nominal Pressure: PN4.0MPa
• Applicable Media: Liquid oxygen, liquid nitrogen, liquid argon, liquid hydrocarbons, and liquefied natural gas (LO2, LN2, LAR, LNG, etc.)
• Operating Temperature: -196℃ to 80℃
• Material: Stainless steel
• Packing and Sealing Gaskets: PTFE (polytetrafluoroethylene)
• Connection Types: Flanged, threaded, welded
• Protection Class: IP65, IP67, IP68
• Power Supply Voltage: Customizable
• Manufacturing Standards: VTON

3.Product Features

1. Reliable Sealing: Advanced sealing technology ensures zero leakage under extreme low temperatures.
2. Flexible Operation: Designed for smooth and efficient opening and closing in cryogenic systems.
3. Robust Construction: High-quality stainless steel materials ensure durability and corrosion resistance.
4. Versatile Applications: Ideal for cryogenic systems in petrochemical, energy, and industrial gas sectors.
5. Customizable Connections: Available with flanged, threaded, or welded options for easy integration into existing pipelines.

Low Temperature Shut-off Valve最先出现在USA VTON GROUP。