Valves N Tubes Engineers

L&T (Larsen & Toubro) manufactures a range of industrial valves, including cast steel gate valves, which are commonly used in various industries for regulating or isolating flow in pipelines. The specifications for L&T Cast Steel Gate Valves can vary depending on the specific model and application, but the general features and details are as follows:

1. Valve Type:

• Gate Valve: Used primarily for on/off flow control, where the gate (or wedge) fully opens or closes to stop or allow fluid flow.
• Cast Steel Construction: Provides high strength and durability under pressure, suitable for high-pressure applications.

2. Body Material:

• Cast Steel (WCB, WC6, WC9, etc.):
  • WCB: Standard carbon steel used for general service applications.
  • WC6 and WC9: Higher-temperature and pressure applications (alloy steels).
  • Other Alloys: In some models, special alloy steels or stainless steels (like 304, 316, or F22) may be used for more demanding conditions, such as high corrosion or elevated temperature environments.

3. Size Range:

• Common sizes for L&T cast steel gate valves typically range from DN 15 (1/2 inch) to DN 600 (24 inches), with larger sizes available upon request.
• Standard industrial sizes accommodate a wide range of pipeline applications.

4. Pressure Rating:

• PN 16, PN 25, PN 40 (European pressure ratings in bars)
• Class 150, Class 300, Class 600 (ANSI pressure ratings, typically in pounds per square inch)
• The pressure class indicates the maximum working pressure the valve can withstand at specific temperatures.

5. Temperature Range:

• Generally, L&T Cast Steel Gate Valves can operate within a temperature range of -20°C to 425°C for standard carbon steel valves (WCB).
• Higher temperature ratings are available for special alloys, such as WC6 or WC9.
• The temperature range is influenced by the body material and the specific trim materials used.

6. End Connections:

• Flanged Ends: The most common connection type, designed to conform to standards like ANSI B16.5 or ISO 7005.
• Butt Weld, Threaded, or Socket Weld: For smaller sizes or specific piping systems.

7. Seat and Trim Material:

• Stainless Steel (304/316) or Alloy Steel: Typically used for the gate, seat, and stem to ensure reliable performance and corrosion resistance.
• Bronze or Composite Materials: Sometimes used for softer sealing in lower pressure applications.
• Hardfaced Seats: In certain designs, materials like Stellite are used to enhance the durability and wear resistance of the valve.

8. Stem and Bonnet Material:

• Stem: Typically made from Stainless Steel (e.g., SS 410) or Alloy Steel to offer strength and resistance to corrosion.
• Bonnet: Usually made from Cast Steel or Stainless Steel to match the body material.
• Welded or Bolted Bonnet: For sealing the valve internals and ensuring pressure retention.

L&T 600mm Cast Steel Gate Valve is a high-quality valve used for controlling the flow of fluids in pipelines, specifically designed for industrial applications requiring durability and reliability. The valve is made from cast steel, offering strength and resistance to high pressures and temperatures, and it is often used in critical industries such as oil and gas, power plants, and chemical processing.

Key Features of L&T 600mm Cast Steel Gate Valve:

1. Material – Cast Steel:

   • Cast steel provides excellent strength and durability, making it suitable for medium- to high-pressure systems.
   • It offers good resistance to corrosion and is more cost-effective than forged steel, though not as strong under extreme conditions.

2. Size and Pressure Rating:

   • The 600mm (24-inch) size indicates a large valve suitable for industrial applications requiring high flow rates.
   • This valve is typically available in various pressure ratings, such as Class 150, Class 300, or Class 600, to meet different system requirements.

3. Gate Valve Design:

   • Gate valves are used for on/off flow control and are not suitable for throttling purposes.
   • They operate with a wedge-shaped gate that rises or lowers to allow or block fluid flow, typically moving in a straight line.

4. End Connections:

   • The L&T Cast Steel Gate Valve typically comes with flanged connections (for easy installation and secure sealing) but can also be found in threaded or butt-weld options.

5. Applications:

   • Used in oil and gas pipelines, chemical plants, water treatment facilities, and power plants for controlling large volumes of liquids and gases.
   • Ideal for high-pressure or high-temperature systems, where reliability is critical.

6. Advantages:

   • Durability: Cast steel provides good strength for heavy-duty applications.
   • Wide Size Range: Available in large sizes, such as 600mm, to handle large flow rates.
   • Cost-Effective: Less expensive than forged steel for similar strength and pressure resistance.

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services. We can deliver our products all over India at a very affordable prices.

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services We can deliver our products all over India at a very affordable prices

L&T (Larsen & Toubro) manufactures a range of industrial valves, including cast steel gate valves, which are commonly used in various industries for regulating or isolating flow in pipelines. The specifications for L&T Cast Steel Gate Valves can vary depending on the specific model and application, but the general features and details are as follows:

1. Valve Type:

• Gate Valve: Used primarily for on/off flow control, where the gate (or wedge) fully opens or closes to stop or allow fluid flow.
• Cast Steel Construction: Provides high strength and durability under pressure, suitable for high-pressure applications.

2. Body Material:

• Cast Steel (WCB, WC6, WC9, etc.):
  • WCB: Standard carbon steel used for general service applications.
  • WC6 and WC9: Higher-temperature and pressure applications (alloy steels).
  • Other Alloys: In some models, special alloy steels or stainless steels (like 304, 316, or F22) may be used for more demanding conditions, such as high corrosion or elevated temperature environments.

3. Size Range:

• Common sizes for L&T cast steel gate valves typically range from DN 15 (1/2 inch) to DN 600 (24 inches), with larger sizes available upon request.
• Standard industrial sizes accommodate a wide range of pipeline applications.

4. Pressure Rating:

• PN 16, PN 25, PN 40 (European pressure ratings in bars)
• Class 150, Class 300, Class 600 (ANSI pressure ratings, typically in pounds per square inch)
• The pressure class indicates the maximum working pressure the valve can withstand at specific temperatures.

5. Temperature Range:

• Generally, L&T Cast Steel Gate Valves can operate within a temperature range of -20°C to 425°C for standard carbon steel valves (WCB).
• Higher temperature ratings are available for special alloys, such as WC6 or WC9.
• The temperature range is influenced by the body material and the specific trim materials used.

6. End Connections:

• Flanged Ends: The most common connection type, designed to conform to standards like ANSI B16.5 or ISO 7005.
• Butt Weld, Threaded, or Socket Weld: For smaller sizes or specific piping systems.

7. Seat and Trim Material:

• Stainless Steel (304/316) or Alloy Steel: Typically used for the gate, seat, and stem to ensure reliable performance and corrosion resistance.
• Bronze or Composite Materials: Sometimes used for softer sealing in lower pressure applications.
• Hardfaced Seats: In certain designs, materials like Stellite are used to enhance the durability and wear resistance of the valve.

8. Stem and Bonnet Material:

• Stem: Typically made from Stainless Steel (e.g., SS 410) or Alloy Steel to offer strength and resistance to corrosion.
• Bonnet: Usually made from Cast Steel or Stainless Steel to match the body material.
• Welded or Bolted Bonnet: For sealing the valve internals and ensuring pressure retention.

L&T (Larsen & Toubro) manufactures a range of industrial valves, including cast steel gate valves, which are commonly used in various industries for regulating or isolating flow in pipelines. The specifications for L&T Cast Steel Gate Valves can vary depending on the specific model and application, but the general features and details are as follows:

1. Valve Type:

• Gate Valve: Used primarily for on/off flow control, where the gate (or wedge) fully opens or closes to stop or allow fluid flow.
• Cast Steel Construction: Provides high strength and durability under pressure, suitable for high-pressure applications.

2. Body Material:

• Cast Steel (WCB, WC6, WC9, etc.):
  • WCB: Standard carbon steel used for general service applications.
  • WC6 and WC9: Higher-temperature and pressure applications (alloy steels).
  • Other Alloys: In some models, special alloy steels or stainless steels (like 304, 316, or F22) may be used for more demanding conditions, such as high corrosion or elevated temperature environments.

3. Size Range:

• Common sizes for L&T cast steel gate valves typically range from DN 15 (1/2 inch) to DN 600 (24 inches), with larger sizes available upon request.
• Standard industrial sizes accommodate a wide range of pipeline applications.

4. Pressure Rating:

• PN 16, PN 25, PN 40 (European pressure ratings in bars)
• Class 150, Class 300, Class 600 (ANSI pressure ratings, typically in pounds per square inch)
• The pressure class indicates the maximum working pressure the valve can withstand at specific temperatures.

5. Temperature Range:

• Generally, L&T Cast Steel Gate Valves can operate within a temperature range of -20°C to 425°C for standard carbon steel valves (WCB).
• Higher temperature ratings are available for special alloys, such as WC6 or WC9.
• The temperature range is influenced by the body material and the specific trim materials used.

6. End Connections:

• Flanged Ends: The most common connection type, designed to conform to standards like ANSI B16.5 or ISO 7005.
• Butt Weld, Threaded, or Socket Weld: For smaller sizes or specific piping systems.

7. Seat and Trim Material:

• Stainless Steel (304/316) or Alloy Steel: Typically used for the gate, seat, and stem to ensure reliable performance and corrosion resistance.
• Bronze or Composite Materials: Sometimes used for softer sealing in lower pressure applications.
• Hardfaced Seats: In certain designs, materials like Stellite are used to enhance the durability and wear resistance of the valve.

8. Stem and Bonnet Material:

• Stem: Typically made from Stainless Steel (e.g., SS 410) or Alloy Steel to offer strength and resistance to corrosion.
• Bonnet: Usually made from Cast Steel or Stainless Steel to match the body material.
• Welded or Bolted Bonnet: For sealing the valve internals and ensuring pressure retention.

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services We can deliver our products all over India at a very affordable prices

The L&T Wafer Butterfly Valve is a high-quality valve used for controlling the flow of fluids in a wide range of industrial applications, including water treatment, HVAC systems, chemical processing, and more. The wafer-style design of this butterfly valve allows it to be installed between two pipe flanges, making it space-efficient and cost-effective.

L&T Wafer Butterfly Valve Specification1. Valve Type:

• Butterfly Valve: A quarter-turn valve used to regulate fluid flow by rotating a disc within the valve body.
• Wafer Type: The valve body is designed to be inserted between two pipe flanges, clamped by bolts, making it a compact and space-saving solution.
• Manual or Actuated Operation: Available in both manual and automated configurations (electric, pneumatic actuators).

2. Size Range:

• Typically available in sizes ranging from 2" (DN 50) to 48" (DN 1200).
• Custom sizes may be available for special applications.

3. Pressure Rating:

• Standard pressure ratings:
  • ANSI 150 (PN 20)
  • ANSI 300 (PN 50)
• The pressure rating depends on the valve size, material, and design. Higher pressure ratings may be available for special applications.

4. Temperature Rating:

• Common operational temperature range: -10°C to +110°C (14°F to 230°F).
• High-temperature versions can be designed for applications with higher temperature resistance.
• Special materials such as PTFE or Viton seals are available for higher temperature requirements.

5. Body Material:

• Cast Iron (GG25 or GGG40) for general-purpose use.
• Ductile Iron for stronger, more durable applications.
• Carbon Steel or Stainless Steel (SS 304, SS 316) for corrosive or aggressive fluid applications.
• Aluminum or other alloys may be offered depending on the application.

6. Disc Material:

• Typically made from Cast Iron, Stainless Steel (SS 304, SS 316), or Aluminum.
• Coatings such as PTFE, PVC, or other corrosion-resistant coatings may be applied for more aggressive media.

7. Stem Material:

• Made from Stainless Steel (SS 416, SS 304, SS 316) or Hardened Stainless Steel to ensure durability and resistance to corrosion.

8. Seal Material:

• EPDM for general fluid handling (water, air, etc.).
• Viton or PTFE for chemical-resistant applications or high-temperature environments.
• NBR for oil-based media.
• Neoprene or PTFE seals are also available depending on fluid compatibility.

A Three-Piece Ball Valve from L&T (Larsen & Toubro) is a type of industrial valve that consists of three main components: the body, ball, and end caps. This design allows for easy maintenance, repair, and disassembly, making it particularly suitable for applications where the valve may need to be cleaned, serviced, or replaced without disturbing the entire piping system.

Key Features of L&T Three-Piece Ball Valves:1. Three-Piece Design:

• Body: The central portion of the valve that houses the ball and the internal components.
• End Caps: The valve has two end caps that are bolted onto the body and seal the valve's ports. These caps typically house the valve's connections (e.g., flanged, threaded).
• The three-piece design provides greater flexibility for maintenance. The valve can be easily dismantled for inspection, cleaning, or repair without needing to remove it from the pipeline. This makes it ideal for services where the valve needs frequent maintenance or replacement.

2. Material Options:3. Ball Valve Operation:

• The ball valve operates through a ball with a hole (bore) in the middle, which aligns with the pipe when the valve is open, allowing the flow of the fluid. When the valve is closed, the ball rotates 90 degrees, and the hole is perpendicular to the pipe, blocking the flow.
• Ball valves are well-known for their quick operation (quarter-turn) and tight sealing when closed.

4. End Connections:

• L&T Three-Piece Ball Valves typically offer a variety of end connection types, including:
  • Threaded (NPT): For use in systems where threaded connections are needed.
  • Flanged: For connection to pipelines with flanged ends.
  • Butt Weld: For welded pipe connections, commonly used in high-pressure and high-temperature applications.
  • Socket Weld: Common for smaller sizes or high-pressure systems.

5. Advantages of the Three-Piece Design:

• Easy Maintenance: Since the body is in three separate pieces, the valve can be easily disassembled for maintenance or repair without having to disassemble the entire pipeline.
• Replaceable Parts: If any of the internal components (like the ball or seals) wear out, they can be replaced without the need for a full valve replacement.
• Flexible Sizing: This design can accommodate a range of pipe sizes and is suitable for various pressure and temperature conditions.
• Cost-Effective: While more complex than two-piece valves, the three-piece design's easy maintenance makes it a more cost-effective solution over the long term.

6. Applications:

• Chemical and Petrochemical Plants: Ideal for controlling corrosive chemicals, where frequent servicing and reliability are required.
• Oil & Gas Industry: Commonly used in pipelines for regulating the flow of oil and gas.
• Water and Wastewater Treatment: Used in municipal water systems or wastewater treatment plants where reliability and durability are important.
• Pharmaceuticals and Food Processing: Where contamination prevention and cleanability are vital.
• HVAC Systems: Used in heating, ventilation, and air conditioning systems for controlling fluid flow.

7. Pressure and Temperature Ratings:

• L&T Three-Piece Ball Valves are available in various pressure classes, such as 150#, 300#, 600#, and sometimes higher, depending on the application.
• They can typically handle pressures ranging from 150 psi to 6000 psi and temperatures from -29°C to 425°C (depending on the material and design).

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services We can deliver our products all over India at a very affordable prices

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services We can deliver our products all over India at a very affordable prices

The L&T Wafer Butterfly Valve is a high-quality valve used for controlling the flow of fluids in a wide range of industrial applications, including water treatment, HVAC systems, chemical processing, and more. The wafer-style design of this butterfly valve allows it to be installed between two pipe flanges, making it space-efficient and cost-effective.

L&T Wafer Butterfly Valve Specification1. Valve Type:

• Butterfly Valve: A quarter-turn valve used to regulate fluid flow by rotating a disc within the valve body.
• Wafer Type: The valve body is designed to be inserted between two pipe flanges, clamped by bolts, making it a compact and space-saving solution.
• Manual or Actuated Operation: Available in both manual and automated configurations (electric, pneumatic actuators).

2. Size Range:

• Typically available in sizes ranging from 2" (DN 50) to 48" (DN 1200).
• Custom sizes may be available for special applications.

3. Pressure Rating:

• Standard pressure ratings:
  • ANSI 150 (PN 20)
  • ANSI 300 (PN 50)
• The pressure rating depends on the valve size, material, and design. Higher pressure ratings may be available for special applications.

4. Temperature Rating:

• Common operational temperature range: -10°C to +110°C (14°F to 230°F).
• High-temperature versions can be designed for applications with higher temperature resistance.
• Special materials such as PTFE or Viton seals are available for higher temperature requirements.

5. Body Material:

• Cast Iron (GG25 or GGG40) for general-purpose use.
• Ductile Iron for stronger, more durable applications.
• Carbon Steel or Stainless Steel (SS 304, SS 316) for corrosive or aggressive fluid applications.
• Aluminum or other alloys may be offered depending on the application.

6. Disc Material:

• Typically made from Cast Iron, Stainless Steel (SS 304, SS 316), or Aluminum.
• Coatings such as PTFE, PVC, or other corrosion-resistant coatings may be applied for more aggressive media.

7. Stem Material:

• Made from Stainless Steel (SS 416, SS 304, SS 316) or Hardened Stainless Steel to ensure durability and resistance to corrosion.

8. Seal Material:

• EPDM for general fluid handling (water, air, etc.).
• Viton or PTFE for chemical-resistant applications or high-temperature environments.
• NBR for oil-based media.
• Neoprene or PTFE seals are also available depending on fluid compatibility.

L&T (Larsen & Toubro) manufactures a range of industrial valves, including cast steel gate valves, which are commonly used in various industries for regulating or isolating flow in pipelines. The specifications for L&T Cast Steel Gate Valves can vary depending on the specific model and application, but the general features and details are as follows:

1. Valve Type:

• Gate Valve: Used primarily for on/off flow control, where the gate (or wedge) fully opens or closes to stop or allow fluid flow.
• Cast Steel Construction: Provides high strength and durability under pressure, suitable for high-pressure applications.

2. Body Material:

• Cast Steel (WCB, WC6, WC9, etc.):
  • WCB: Standard carbon steel used for general service applications.
  • WC6 and WC9: Higher-temperature and pressure applications (alloy steels).
  • Other Alloys: In some models, special alloy steels or stainless steels (like 304, 316, or F22) may be used for more demanding conditions, such as high corrosion or elevated temperature environments.

3. Size Range:

• Common sizes for L&T cast steel gate valves typically range from DN 15 (1/2 inch) to DN 600 (24 inches), with larger sizes available upon request.
• Standard industrial sizes accommodate a wide range of pipeline applications.

4. Pressure Rating:

• PN 16, PN 25, PN 40 (European pressure ratings in bars)
• Class 150, Class 300, Class 600 (ANSI pressure ratings, typically in pounds per square inch)
• The pressure class indicates the maximum working pressure the valve can withstand at specific temperatures.

5. Temperature Range:

• Generally, L&T Cast Steel Gate Valves can operate within a temperature range of -20°C to 425°C for standard carbon steel valves (WCB).
• Higher temperature ratings are available for special alloys, such as WC6 or WC9.
• The temperature range is influenced by the body material and the specific trim materials used.

6. End Connections:

• Flanged Ends: The most common connection type, designed to conform to standards like ANSI B16.5 or ISO 7005.
• Butt Weld, Threaded, or Socket Weld: For smaller sizes or specific piping systems.

7. Seat and Trim Material:

• Stainless Steel (304/316) or Alloy Steel: Typically used for the gate, seat, and stem to ensure reliable performance and corrosion resistance.
• Bronze or Composite Materials: Sometimes used for softer sealing in lower pressure applications.
• Hardfaced Seats: In certain designs, materials like Stellite are used to enhance the durability and wear resistance of the valve.

8. Stem and Bonnet Material:

• Stem: Typically made from Stainless Steel (e.g., SS 410) or Alloy Steel to offer strength and resistance to corrosion.
• Bonnet: Usually made from Cast Steel or Stainless Steel to match the body material.
• Welded or Bolted Bonnet: For sealing the valve internals and ensuring pressure retention.

The L&T Y-Type Globe Valve is a well-known valve used in various industrial applications for regulating and controlling the flow of fluids. The "Y-type" design refers to the body shape of the valve, which is designed to streamline the flow path, thus reducing pressure drops compared to traditional globe valves.

Below is a typical L&T Y-Type Globe Valve Specification. Keep in mind that exact specifications may vary based on the material grade, valve size, and pressure class.

L&T Y-Type Globe Valve SpecificationGeneral Specifications:

• Valve Type: Y-Type Globe Valve
• Design Standard: Typically in accordance with API 602, ASME B16.34, BS 1873, ANSI B16.10, or other relevant standards.
• End Connections: Flanged (ANSI B16.5), Screwed (NPT/BSP), or welded, depending on the model.
• Size Range: Typically ½" to 12", with larger sizes available upon request.
• Pressure Rating: Common pressure classes available: Class 150, 300, 600, 900, 1500, 2500.
• Temperature Range: From -20°F (-29°C) to 850°F (454°C), depending on the materials used.
• Flow Direction: Bidirectional, can handle fluid flow in both directions, depending on design and installation.

Materials of Construction:

• Body Material:
  • Carbon Steel (ASTM A216 WCB)
  • Stainless Steel (ASTM A351 CF8M / CF8)
  • Alloy Steel (ASTM A217 WC6, WC9)
  • Cast Iron, Bronze, or special alloys upon request.
• Trim Materials (Disc, Seat, Stem):
  • Disc: Stainless Steel (316, 304), Alloy Steel
  • Seat: Stainless Steel, PTFE, RPTFE, or metal seat for high-temperature applications.
  • Stem: Stainless Steel, Alloy Steel (AISI 410, 416)
  • Seals: PTFE or PEEK for soft-seated versions.

Design Features:

• Y-Shape Body: The Y-shaped valve body offers a streamlined flow path, reducing friction and pressure loss, making it ideal for throttling and control.
• Throttling Service: Primarily designed for precise flow control in systems requiring accurate regulation.
• Flow Characteristics: Enhanced flow path with reduced turbulence, leading to minimized pressure drop and optimized performance.
• Bonnet Type: Typically screwed or bolted bonnet for ease of maintenance.
• Leakage Class: Class IV for soft-seat and V for metal-seat (per ANSI/FCI 70-2 standard).

Operation:

• Manual: Operated via handwheel or lever, depending on the size of the valve.
• Actuation: Can be actuated pneumatically, electrically, or hydraulically.
  • Pneumatic actuators are commonly used for remote control.
  • Electric actuators are used for more precise control or automation.

Applications:

• Industries: Commonly used in the oil and gas, chemical, petrochemical, power, water treatment, and HVAC industries.
• Applications:
  • Flow control in steam, gas, water, and oil systems.
  • Suitable for regulating or isolating services with moderate to high pressures and temperatures.
  • High-pressure steam and gas flow control applications.

We Valves N Tubes Engineers deals in all types of Industrial Valves and are known for our best quality products and services We can deliver our products all over India at a very affordable prices

The L&T Wafer Butterfly Valve is a high-quality valve used for controlling the flow of fluids in a wide range of industrial applications, including water treatment, HVAC systems, chemical processing, and more. The wafer-style design of this butterfly valve allows it to be installed between two pipe flanges, making it space-efficient and cost-effective.

L&T Wafer Butterfly Valve Specification1. Valve Type:

• Butterfly Valve: A quarter-turn valve used to regulate fluid flow by rotating a disc within the valve body.
• Wafer Type: The valve body is designed to be inserted between two pipe flanges, clamped by bolts, making it a compact and space-saving solution.
• Manual or Actuated Operation: Available in both manual and automated configurations (electric, pneumatic actuators).

2. Size Range:

• Typically available in sizes ranging from 2" (DN 50) to 48" (DN 1200).
• Custom sizes may be available for special applications.

3. Pressure Rating:

• Standard pressure ratings:
  • ANSI 150 (PN 20)
  • ANSI 300 (PN 50)
• The pressure rating depends on the valve size, material, and design. Higher pressure ratings may be available for special applications.

4. Temperature Rating:

• Common operational temperature range: -10°C to +110°C (14°F to 230°F).
• High-temperature versions can be designed for applications with higher temperature resistance.
• Special materials such as PTFE or Viton seals are available for higher temperature requirements.

5. Body Material:

• Cast Iron (GG25 or GGG40) for general-purpose use.
• Ductile Iron for stronger, more durable applications.
• Carbon Steel or Stainless Steel (SS 304, SS 316) for corrosive or aggressive fluid applications.
• Aluminum or other alloys may be offered depending on the application.

6. Disc Material:

• Typically made from Cast Iron, Stainless Steel (SS 304, SS 316), or Aluminum.
• Coatings such as PTFE, PVC, or other corrosion-resistant coatings may be applied for more aggressive media.

7. Stem Material:

• Made from Stainless Steel (SS 416, SS 304, SS 316) or Hardened Stainless Steel to ensure durability and resistance to corrosion.

8. Seal Material:

• EPDM for general fluid handling (water, air, etc.).
• Viton or PTFE for chemical-resistant applications or high-temperature environments.
• NBR for oil-based media.
• Neoprene or PTFE seals are also available depending on fluid compatibility.

L&T (Larsen & Toubro) is a major manufacturer of industrial valves, including single-piece ball valves. The specification for these valves will depend on the application, size, pressure, and material. However, I can provide general specifications that are typically found in single-piece ball valves. These valves are used in various industries, such as oil and gas, water treatment, and power plants.

Typical Specifications for L&T Single-Piece Ball Valve:

1. Valve Type:

   • Single-piece design (also called "one-piece" body construction).
   • Full port or reduced port options.

2. Size Range:

   • Typically from ½" (DN 15) to 8" (DN 200), although larger sizes can be available depending on the model.

3. Pressure Rating:

   • ANSI 150 (PN 20), ANSI 300 (PN 50), or ANSI 600 (PN 100) depending on the application.
   • The pressure rating is determined by the body material and the flange rating.

4. Temperature Rating:

   • Generally operates from -29°C to +232°C (-20°F to +450°F), depending on the material of construction.
   • Special materials and designs may handle higher or lower temperatures.

5. Body Material:

   • Carbon Steel (CS), Stainless Steel (SS) (304, 316), Alloy Steel, Brass, Cast Iron, and Other alloys.
   • Material selection depends on the media and environmental conditions.

6. Ball Material:

   • Stainless Steel (SS 316, SS 304) or Chrome-plated steel.
   • Other materials may include Teflon (PTFE) or Hastelloy for specific applications.

7. Seal Material:

   • PTFE (Polytetrafluoroethylene), PFA (Perfluoroalkoxy), NBR (Nitrile Butadiene Rubber), Viton, or EPDM depending on the service media and temperature.

8. End Connections:

   • Flanged, threaded (NPT/BSP), and welded ends.
   • Customizable according to customer requirements.

9. Actuation:

   • Manual (Handwheel or Lever), Pneumatic Actuated, Electric Actuated, or Hydraulic Actuated.
   • Various actuators available depending on the application.

10. Design Features:

• Floating Ball or Trunnion Mounted design (for higher pressures).
• Full Port (offers unrestricted flow) or Reduced Port (for compact designs).
• Blowout-proof stem to ensure safety in the event of stem failure.
• Fire-safe design for certain models (compliant with API 607 or similar standards).

1. Standards Compliance:

• API 608: For ball valve construction.
• ISO 5211: For actuator mounting.
• ANSI B16.34: For valve design and pressure-temperature ratings.
• CE marked and ISO certified.

1. Leakage Class:

• ISO 5208: Typically Class A, B, or C for bubble-tight sealing.
• API 598: For valve testing.

1. Applications:

• Oil & Gas, Power Generation, Water Treatment, Chemical, Petrochemical, Food and Beverage, and HVAC systems.

L&T Valves offers a comprehensive range of forged steel gate valves designed for high-pressure applications, adhering to international standards such as API 602 and ASME B16.34. These valves are commonly used in industries like oil and gas, petrochemicals, power generation, and general industry for controlling the flow of water, steam, gas, oil, and other non-aggressive media.

Key Specifications:

• Design and Construction:

  • Body Material: Forged carbon steel (ASTM A105) or alloy steel (e.g., ASTM A182 F304, ASTM A182 F316).
  • Bonnet: Bolted bonnet design for sizes up to 2 inches; welded bonnet for higher pressure classes.
  • Stem: One-piece construction with precision-machined threads to reduce friction and minimize leakage.
  • Wedge Disc: Solid design for reliable sealing.
  • Seat Ring: Seal-welded seat ring for leakproof performance.

• Pressure and Temperature Ratings:

  • Pressure Classes: Available in Class 150 to Class 1500.
  • Size Range: Typically from 1/4 inch to 2 inches (8 mm to 50 mm).
  • Temperature Range: Suitable for temperatures up to 425°C in carbon steel and up to 540°C in alloy steel.

• End Connections:

  • Threaded, socket weld, or butt weld ends, depending on the specific model and application requirements.

• Additional Features:

  • Graphite gland packing for effective sealing.
  • Spiral-wound stainless steel gaskets with graphite filler for high-integrity sealing.
  • Y-pattern design in globe and check valves to reduce pressure drop and turbulence.
  • Cryogenic valves conforming to BS 6364 for low-temperature applications.
  • Valves can be offered to NACE MR-0175 and other special NACE requirements.

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