#plugvalve

In the world of industrial valves, plug valves and ball valves are two of the most commonly used quarter-turn valves. While both serve the purpose of starting and stopping fluid flow efficiently, they differ in construction, sealing method, and application suitability.

As a top plug valve manufacturer and supplier in Delhi, Udhhyog offers a complete range of industrial-grade plug and ball valves designed for long service life, tight shutoff, and reliability.

This guide will walk you through the plug vs ball valve comparison, highlight top manufacturers, and provide a complete price list for plug main valves in Delhi.

Understanding Plug Valves

🔹 Working Principle:

A plug valve uses a conical or cylindrical plug that rotates inside the valve body to control flow. The plug has a hole through its center that aligns with the pipeline when open.

🔹 Applications:

Oil & gas pipelines

Petrochemical refineries

Water and wastewater systems

Flow diversion (multi-port systems)

🔹 Types of Plug Valves:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

Understanding Ball Valves

🔸 Working Principle:

Ball valves use a spherical disc with a central bore that opens or closes when rotated 90°. The bore aligns with the pipe for flow and perpendicular to stop flow.

🔸 Applications:

HVAC systems

Plumbing and water pipelines

Compressed air lines

Low-viscosity fluid control

🔸 Types of Ball Valves:

Two-piece Ball Valve

Three-piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Control Ball Valve

Plug vs Ball Valve – Feature Comparison

FeaturePlug ValveBall ValveDesignTapered/cylindrical plugSpherical ballFlow ControlGood for shutoff/diversionExcellent for shutoffSealingLubricated/sleeved sealingSoft or metal seat sealingMulti-Port CapabilityYes (3-way, 4-way, etc.)LimitedPressure HandlingSuitable for high-pressure linesAlso suitable with trunnion typesMaintenanceRequires periodic maintenanceLower maintenanceCompactnessVery compactSlightly bulkier in designCostEconomical (basic types)Slightly higher for metal-seated

✅ Use Plug Valves for slurry, chemical, high-pressure gas, and multi-directional systems. ✅ Use Ball Valves for clean fluids, HVAC, compressed air, and water systems.

Plug Valve Symbol vs Ball Valve Symbol

Plug Valve Symbol: Square body with central plug icon, used in industrial P&ID drawings.

Ball Valve Symbol: Circle with a horizontal or vertical line representing the open or closed ball.

Top Plug Valve Manufacturers in Delhi

⭐ Udhhyog – Leading Industrial Valve Supplier

In-house production of CI, DI, WCB, SS plug valves

ISO-certified with pressure and leakage testing

Expertise in custom, multi-port, and eccentric designs

Delivery across Delhi, NCR, Punjab, Haryana, UP, J&K

Other reputable manufacturers:

L&T Valves

Zoloto Valves

Kirloskar Valves

Audco

Plug Main Valve Price List – Delhi Market (Udhhyog)

Plug Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug Valve15–100CI/SS₹1,200 – ₹6,000Eccentric Plug Valve50–300DI/WCB₹4,000 – ₹18,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Expanding Plug Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Note: Prices may vary depending on seat type, end connections, pressure rating (PN10/PN16/ANSI 150/300) and coating.

Why Choose Udhhyog – Best Plug Valve Supplier in Delhi

✅ Manufacturing Expertise

Advanced production for oil, gas, chemical, and water applications

Valves compliant with IS, API, and ISO standards

✅ Fast Supply & Support

Ready stock and fast delivery across North India

Expert assistance for valve selection, sizing, and project support

✅ Customization & Affordable Pricing

Options for coating, end type, and pressure class

Bulk deals for OEMs, contractors, and EPC projects

Conclusion

Whether you choose a plug valve for high-pressure chemical pipelines or a ball valve for water distribution systems, understanding the difference is key to making an informed decision.

For trusted plug main valve supply in Delhi, look no further than Udhhyog – delivering reliable industrial valves with technical support, competitive prices, and unmatched customer service.

Contact Udhhyog Today

In the world of industrial valves, plug valves and ball valves are two of the most commonly used quarter-turn valves. While both serve the purpose of starting and stopping fluid flow efficiently, they differ in construction, sealing method, and application suitability.

As a top plug valve manufacturer and supplier in Delhi, Udhhyog offers a complete range of industrial-grade plug and ball valves designed for long service life, tight shutoff, and reliability.

This guide will walk you through the plug vs ball valve comparison, highlight top manufacturers, and provide a complete price list for plug main valves in Delhi.

Understanding Plug Valves

🔹 Working Principle:

A plug valve uses a conical or cylindrical plug that rotates inside the valve body to control flow. The plug has a hole through its center that aligns with the pipeline when open.

🔹 Applications:

Oil & gas pipelines

Petrochemical refineries

Water and wastewater systems

Flow diversion (multi-port systems)

🔹 Types of Plug Valves:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

Understanding Ball Valves

🔸 Working Principle:

Ball valves use a spherical disc with a central bore that opens or closes when rotated 90°. The bore aligns with the pipe for flow and perpendicular to stop flow.

🔸 Applications:

HVAC systems

Plumbing and water pipelines

Compressed air lines

Low-viscosity fluid control

🔸 Types of Ball Valves:

Two-piece Ball Valve

Three-piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Control Ball Valve

Plug vs Ball Valve – Feature Comparison

FeaturePlug ValveBall ValveDesignTapered/cylindrical plugSpherical ballFlow ControlGood for shutoff/diversionExcellent for shutoffSealingLubricated/sleeved sealingSoft or metal seat sealingMulti-Port CapabilityYes (3-way, 4-way, etc.)LimitedPressure HandlingSuitable for high-pressure linesAlso suitable with trunnion typesMaintenanceRequires periodic maintenanceLower maintenanceCompactnessVery compactSlightly bulkier in designCostEconomical (basic types)Slightly higher for metal-seated

✅ Use Plug Valves for slurry, chemical, high-pressure gas, and multi-directional systems. ✅ Use Ball Valves for clean fluids, HVAC, compressed air, and water systems.

Plug Valve Symbol vs Ball Valve Symbol

Plug Valve Symbol: Square body with central plug icon, used in industrial P&ID drawings.

Ball Valve Symbol: Circle with a horizontal or vertical line representing the open or closed ball.

Top Plug Valve Manufacturers in Delhi

⭐ Udhhyog – Leading Industrial Valve Supplier

In-house production of CI, DI, WCB, SS plug valves

ISO-certified with pressure and leakage testing

Expertise in custom, multi-port, and eccentric designs

Delivery across Delhi, NCR, Punjab, Haryana, UP, J&K

Other reputable manufacturers:

L&T Valves

Zoloto Valves

Kirloskar Valves

Audco

Plug Main Valve Price List – Delhi Market (Udhhyog)

Plug Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug Valve15–100CI/SS₹1,200 – ₹6,000Eccentric Plug Valve50–300DI/WCB₹4,000 – ₹18,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Expanding Plug Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Note: Prices may vary depending on seat type, end connections, pressure rating (PN10/PN16/ANSI 150/300) and coating.

Why Choose Udhhyog – Best Plug Valve Supplier in Delhi

✅ Manufacturing Expertise

Advanced production for oil, gas, chemical, and water applications

Valves compliant with IS, API, and ISO standards

✅ Fast Supply & Support

Ready stock and fast delivery across North India

Expert assistance for valve selection, sizing, and project support

✅ Customization & Affordable Pricing

Options for coating, end type, and pressure class

Bulk deals for OEMs, contractors, and EPC projects

Conclusion

Whether you choose a plug valve for high-pressure chemical pipelines or a ball valve for water distribution systems, understanding the difference is key to making an informed decision.

For trusted plug main valve supply in Delhi, look no further than Udhhyog – delivering reliable industrial valves with technical support, competitive prices, and unmatched customer service.

Contact Udhhyog Today

In the world of industrial valves, plug valves and ball valves are two of the most commonly used quarter-turn valves. While both serve the purpose of starting and stopping fluid flow efficiently, they differ in construction, sealing method, and application suitability.

As a top plug valve manufacturer and supplier in Delhi, Udhhyog offers a complete range of industrial-grade plug and ball valves designed for long service life, tight shutoff, and reliability.

This guide will walk you through the plug vs ball valve comparison, highlight top manufacturers, and provide a complete price list for plug main valves in Delhi.

Understanding Plug Valves

🔹 Working Principle:

A plug valve uses a conical or cylindrical plug that rotates inside the valve body to control flow. The plug has a hole through its center that aligns with the pipeline when open.

🔹 Applications:

Oil & gas pipelines

Petrochemical refineries

Water and wastewater systems

Flow diversion (multi-port systems)

🔹 Types of Plug Valves:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

Understanding Ball Valves

🔸 Working Principle:

Ball valves use a spherical disc with a central bore that opens or closes when rotated 90°. The bore aligns with the pipe for flow and perpendicular to stop flow.

🔸 Applications:

HVAC systems

Plumbing and water pipelines

Compressed air lines

Low-viscosity fluid control

🔸 Types of Ball Valves:

Two-piece Ball Valve

Three-piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Control Ball Valve

Plug vs Ball Valve – Feature Comparison

FeaturePlug ValveBall ValveDesignTapered/cylindrical plugSpherical ballFlow ControlGood for shutoff/diversionExcellent for shutoffSealingLubricated/sleeved sealingSoft or metal seat sealingMulti-Port CapabilityYes (3-way, 4-way, etc.)LimitedPressure HandlingSuitable for high-pressure linesAlso suitable with trunnion typesMaintenanceRequires periodic maintenanceLower maintenanceCompactnessVery compactSlightly bulkier in designCostEconomical (basic types)Slightly higher for metal-seated

✅ Use Plug Valves for slurry, chemical, high-pressure gas, and multi-directional systems. ✅ Use Ball Valves for clean fluids, HVAC, compressed air, and water systems.

Plug Valve Symbol vs Ball Valve Symbol

Plug Valve Symbol: Square body with central plug icon, used in industrial P&ID drawings.

Ball Valve Symbol: Circle with a horizontal or vertical line representing the open or closed ball.

Top Plug Valve Manufacturers in Delhi

⭐ Udhhyog – Leading Industrial Valve Supplier

In-house production of CI, DI, WCB, SS plug valves

ISO-certified with pressure and leakage testing

Expertise in custom, multi-port, and eccentric designs

Delivery across Delhi, NCR, Punjab, Haryana, UP, J&K

Other reputable manufacturers:

L&T Valves

Zoloto Valves

Kirloskar Valves

Audco

Plug Main Valve Price List – Delhi Market (Udhhyog)

Plug Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug Valve15–100CI/SS₹1,200 – ₹6,000Eccentric Plug Valve50–300DI/WCB₹4,000 – ₹18,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Expanding Plug Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Note: Prices may vary depending on seat type, end connections, pressure rating (PN10/PN16/ANSI 150/300) and coating.

Why Choose Udhhyog – Best Plug Valve Supplier in Delhi

✅ Manufacturing Expertise

Advanced production for oil, gas, chemical, and water applications

Valves compliant with IS, API, and ISO standards

✅ Fast Supply & Support

Ready stock and fast delivery across North India

Expert assistance for valve selection, sizing, and project support

✅ Customization & Affordable Pricing

Options for coating, end type, and pressure class

Bulk deals for OEMs, contractors, and EPC projects

Conclusion

Whether you choose a plug valve for high-pressure chemical pipelines or a ball valve for water distribution systems, understanding the difference is key to making an informed decision.

For trusted plug main valve supply in Delhi, look no further than Udhhyog – delivering reliable industrial valves with technical support, competitive prices, and unmatched customer service.

Contact Udhhyog Today

When selecting valves for industrial or commercial fluid handling systems, the choice between a plug valve and a ball valve is a common one. Though both are quarter-turn valves, they differ in design, sealing, application suitability, and maintenance.

As a leading plug and ball valve manufacturer and supplier in Delhi, Udhhyog provides high-performance solutions for a wide variety of industries including oil, gas, water treatment, chemical processing, and HVAC systems.

This article explores the key differences between plug and ball valves, their functions, advantages, applications, and how to select the right valve for your system.

What is a Plug Valve?

A plug valve uses a tapered or cylindrical plug inside the valve body to control flow. The plug has a hole that aligns with the pipe when open and blocks it when rotated 90°.

✅ Key Features:

Compact and simple design

Available in lubricated and non-lubricated forms

Often used for multi-port applications (3-way, 4-way)

Ideal for on/off and limited throttling service

✅ Common Types:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

What is a Ball Valve?

A ball valve uses a spherical disc with a central hole to regulate flow. Rotating the ball 90° allows or blocks flow. Ball valves offer tight shutoff with minimal pressure drop.

✅ Key Features:

Fast quarter-turn operation

Excellent for on/off control

Available in full bore and reduced bore types

Common in water, gas, and air applications

✅ Common Types:

Two-Piece Ball Valve

Three-Piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Ball Valve (for control applications)

Plug Valve vs Ball Valve – Detailed Comparison

FeaturePlug ValveBall ValveClosure TypeTapered or cylindrical plugSpherical ballOperationQuarter-turnQuarter-turnSealingLubricated or sleevedSoft seats (PTFE) or metalFlow ControlGood for isolation, limited throttleExcellent isolation, some throttlingSize RangeCompact for small to medium sizesAvailable in all sizesPressure HandlingExcellent in high-pressure systemsAlso excellent, especially trunnion-mountedApplicationsOil, gas, chemicals, wastewaterWater, air, HVAC, clean gasesMaintenancePeriodic lubrication (if lubricated)Low-maintenanceCostGenerally lower for basic modelsSlightly higher

✅ Use plug valves in abrasive, slurry, or chemical lines. ✅ Use ball valves in water, gas, and low-viscosity applications.

Applications of Plug Valves

🛢️ Oil and gas transmission

🧪 Chemical and petrochemical plants

🚰 Water treatment and wastewater management

🏭 Refinery and terminal piping

🔁 Flow diversion (multi-port plug valves)

Applications of Ball Valves

💧 Domestic and industrial water lines

🔥 HVAC systems

🌬️ Compressed air systems

🛠️ Machine tool lines and instrument panels

🧼 Food and pharma processing

Symbols – Plug Valve vs Ball Valve

Plug Valve Symbol: Square body with central plug icon; often shown with arrows and circular indicators.

Ball Valve Symbol: Circle with a horizontal line (ball) and an open or closed indication.

Both symbols are used in P&ID drawings to represent their specific function in fluid systems.

Materials Used

At Udhhyog, we manufacture both plug and ball valves using:

Cast Iron (CI)

Ductile Iron (DI)

Carbon Steel (WCB)

Stainless Steel (SS 304/316)

Bronze or Gunmetal

Pricing Overview – Plug & Ball Valves in Delhi

Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug15–100CI/SS₹1,200 – ₹6,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Ball Valve (2-Piece)15–150CI/SS₹900 – ₹5,500Ball Valve (3-Piece)25–150SS 304/316₹2,500 – ₹12,000Trunnion Ball Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Prices vary based on pressure rating, end connections, and seat type. Contact Udhhyog for bulk or custom rates.

Why Choose Udhhyog – Delhi’s Best Valve Manufacturer

🏭 Expertise in Both Plug and Ball Valves

Specialized solutions for oil, gas, steam, water, and chemical handling.

🛠️ Tested and Certified Products

Valves undergo pressure, leakage, and seat testing as per IS/API/ISO standards.

🚛 Supply Across North India

We supply to Delhi, Haryana, Punjab, UP, Rajasthan, Himachal Pradesh, and J&K.

📞 Dedicated Support Team

Technical assistance for selection, sizing, and installation.

💰 Affordable Pricing & Bulk Availability

Competitive rates with fast turnaround for all orders.

Conclusion

While both plug valves and ball valves serve as efficient shutoff solutions, understanding their construction, strengths, and limitations helps in choosing the right valve for your application.

If you're looking for reliable industrial valves in Delhi, trust Udhhyog – your dedicated manufacturer and supplier of plug and ball valves, offering consistent quality and dependable service.

Contact Udhhyog Today

When selecting valves for industrial or commercial fluid handling systems, the choice between a plug valve and a ball valve is a common one. Though both are quarter-turn valves, they differ in design, sealing, application suitability, and maintenance.

As a leading plug and ball valve manufacturer and supplier in Delhi, Udhhyog provides high-performance solutions for a wide variety of industries including oil, gas, water treatment, chemical processing, and HVAC systems.

This article explores the key differences between plug and ball valves, their functions, advantages, applications, and how to select the right valve for your system.

What is a Plug Valve?

A plug valve uses a tapered or cylindrical plug inside the valve body to control flow. The plug has a hole that aligns with the pipe when open and blocks it when rotated 90°.

✅ Key Features:

Compact and simple design

Available in lubricated and non-lubricated forms

Often used for multi-port applications (3-way, 4-way)

Ideal for on/off and limited throttling service

✅ Common Types:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

What is a Ball Valve?

A ball valve uses a spherical disc with a central hole to regulate flow. Rotating the ball 90° allows or blocks flow. Ball valves offer tight shutoff with minimal pressure drop.

✅ Key Features:

Fast quarter-turn operation

Excellent for on/off control

Available in full bore and reduced bore types

Common in water, gas, and air applications

✅ Common Types:

Two-Piece Ball Valve

Three-Piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Ball Valve (for control applications)

Plug Valve vs Ball Valve – Detailed Comparison

FeaturePlug ValveBall ValveClosure TypeTapered or cylindrical plugSpherical ballOperationQuarter-turnQuarter-turnSealingLubricated or sleevedSoft seats (PTFE) or metalFlow ControlGood for isolation, limited throttleExcellent isolation, some throttlingSize RangeCompact for small to medium sizesAvailable in all sizesPressure HandlingExcellent in high-pressure systemsAlso excellent, especially trunnion-mountedApplicationsOil, gas, chemicals, wastewaterWater, air, HVAC, clean gasesMaintenancePeriodic lubrication (if lubricated)Low-maintenanceCostGenerally lower for basic modelsSlightly higher

✅ Use plug valves in abrasive, slurry, or chemical lines. ✅ Use ball valves in water, gas, and low-viscosity applications.

Applications of Plug Valves

🛢️ Oil and gas transmission

🧪 Chemical and petrochemical plants

🚰 Water treatment and wastewater management

🏭 Refinery and terminal piping

🔁 Flow diversion (multi-port plug valves)

Applications of Ball Valves

💧 Domestic and industrial water lines

🔥 HVAC systems

🌬️ Compressed air systems

🛠️ Machine tool lines and instrument panels

🧼 Food and pharma processing

Symbols – Plug Valve vs Ball Valve

Plug Valve Symbol: Square body with central plug icon; often shown with arrows and circular indicators.

Ball Valve Symbol: Circle with a horizontal line (ball) and an open or closed indication.

Both symbols are used in P&ID drawings to represent their specific function in fluid systems.

Materials Used

At Udhhyog, we manufacture both plug and ball valves using:

Cast Iron (CI)

Ductile Iron (DI)

Carbon Steel (WCB)

Stainless Steel (SS 304/316)

Bronze or Gunmetal

Pricing Overview – Plug & Ball Valves in Delhi

Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug15–100CI/SS₹1,200 – ₹6,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Ball Valve (2-Piece)15–150CI/SS₹900 – ₹5,500Ball Valve (3-Piece)25–150SS 304/316₹2,500 – ₹12,000Trunnion Ball Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Prices vary based on pressure rating, end connections, and seat type. Contact Udhhyog for bulk or custom rates.

Why Choose Udhhyog – Delhi’s Best Valve Manufacturer

🏭 Expertise in Both Plug and Ball Valves

Specialized solutions for oil, gas, steam, water, and chemical handling.

🛠️ Tested and Certified Products

Valves undergo pressure, leakage, and seat testing as per IS/API/ISO standards.

🚛 Supply Across North India

We supply to Delhi, Haryana, Punjab, UP, Rajasthan, Himachal Pradesh, and J&K.

📞 Dedicated Support Team

Technical assistance for selection, sizing, and installation.

💰 Affordable Pricing & Bulk Availability

Competitive rates with fast turnaround for all orders.

Conclusion

While both plug valves and ball valves serve as efficient shutoff solutions, understanding their construction, strengths, and limitations helps in choosing the right valve for your application.

If you're looking for reliable industrial valves in Delhi, trust Udhhyog – your dedicated manufacturer and supplier of plug and ball valves, offering consistent quality and dependable service.

Contact Udhhyog Today

When selecting valves for industrial or commercial fluid handling systems, the choice between a plug valve and a ball valve is a common one. Though both are quarter-turn valves, they differ in design, sealing, application suitability, and maintenance.

As a leading plug and ball valve manufacturer and supplier in Delhi, Udhhyog provides high-performance solutions for a wide variety of industries including oil, gas, water treatment, chemical processing, and HVAC systems.

This article explores the key differences between plug and ball valves, their functions, advantages, applications, and how to select the right valve for your system.

What is a Plug Valve?

A plug valve uses a tapered or cylindrical plug inside the valve body to control flow. The plug has a hole that aligns with the pipe when open and blocks it when rotated 90°.

✅ Key Features:

Compact and simple design

Available in lubricated and non-lubricated forms

Often used for multi-port applications (3-way, 4-way)

Ideal for on/off and limited throttling service

✅ Common Types:

Lubricated Plug Valve

Non-Lubricated Plug Valve

Eccentric Plug Valve

Expanding Plug Valve

Multi-Port Plug Valve

What is a Ball Valve?

A ball valve uses a spherical disc with a central hole to regulate flow. Rotating the ball 90° allows or blocks flow. Ball valves offer tight shutoff with minimal pressure drop.

✅ Key Features:

Fast quarter-turn operation

Excellent for on/off control

Available in full bore and reduced bore types

Common in water, gas, and air applications

✅ Common Types:

Two-Piece Ball Valve

Three-Piece Ball Valve

Floating Ball Valve

Trunnion-Mounted Ball Valve

V-Port Ball Valve (for control applications)

Plug Valve vs Ball Valve – Detailed Comparison

FeaturePlug ValveBall ValveClosure TypeTapered or cylindrical plugSpherical ballOperationQuarter-turnQuarter-turnSealingLubricated or sleevedSoft seats (PTFE) or metalFlow ControlGood for isolation, limited throttleExcellent isolation, some throttlingSize RangeCompact for small to medium sizesAvailable in all sizesPressure HandlingExcellent in high-pressure systemsAlso excellent, especially trunnion-mountedApplicationsOil, gas, chemicals, wastewaterWater, air, HVAC, clean gasesMaintenancePeriodic lubrication (if lubricated)Low-maintenanceCostGenerally lower for basic modelsSlightly higher

✅ Use plug valves in abrasive, slurry, or chemical lines. ✅ Use ball valves in water, gas, and low-viscosity applications.

Applications of Plug Valves

🛢️ Oil and gas transmission

🧪 Chemical and petrochemical plants

🚰 Water treatment and wastewater management

🏭 Refinery and terminal piping

🔁 Flow diversion (multi-port plug valves)

Applications of Ball Valves

💧 Domestic and industrial water lines

🔥 HVAC systems

🌬️ Compressed air systems

🛠️ Machine tool lines and instrument panels

🧼 Food and pharma processing

Symbols – Plug Valve vs Ball Valve

Plug Valve Symbol: Square body with central plug icon; often shown with arrows and circular indicators.

Ball Valve Symbol: Circle with a horizontal line (ball) and an open or closed indication.

Both symbols are used in P&ID drawings to represent their specific function in fluid systems.

Materials Used

At Udhhyog, we manufacture both plug and ball valves using:

Cast Iron (CI)

Ductile Iron (DI)

Carbon Steel (WCB)

Stainless Steel (SS 304/316)

Bronze or Gunmetal

Pricing Overview – Plug & Ball Valves in Delhi

Valve TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug15–100CI/SS₹1,200 – ₹6,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000Ball Valve (2-Piece)15–150CI/SS₹900 – ₹5,500Ball Valve (3-Piece)25–150SS 304/316₹2,500 – ₹12,000Trunnion Ball Valve50–200WCB/SS₹8,000 – ₹25,000

📌 Prices vary based on pressure rating, end connections, and seat type. Contact Udhhyog for bulk or custom rates.

Why Choose Udhhyog – Delhi’s Best Valve Manufacturer

🏭 Expertise in Both Plug and Ball Valves

Specialized solutions for oil, gas, steam, water, and chemical handling.

🛠️ Tested and Certified Products

Valves undergo pressure, leakage, and seat testing as per IS/API/ISO standards.

🚛 Supply Across North India

We supply to Delhi, Haryana, Punjab, UP, Rajasthan, Himachal Pradesh, and J&K.

📞 Dedicated Support Team

Technical assistance for selection, sizing, and installation.

💰 Affordable Pricing & Bulk Availability

Competitive rates with fast turnaround for all orders.

Conclusion

While both plug valves and ball valves serve as efficient shutoff solutions, understanding their construction, strengths, and limitations helps in choosing the right valve for your application.

If you're looking for reliable industrial valves in Delhi, trust Udhhyog – your dedicated manufacturer and supplier of plug and ball valves, offering consistent quality and dependable service.

Contact Udhhyog Today

Plug valves are essential flow control devices used across industries for their quick shutoff capability, compact design, and ease of operation. Known for their low maintenance and tight sealing, plug valves come in several types suited for various applications including gas, oil, water, and chemical pipelines.

As a reputed plug main valve manufacturer and supplier in Delhi, Udhhyog offers a wide range of lubricated, non-lubricated, and special-purpose plug valves to meet diverse industrial needs.

In this article, we explore the types of plug valves, their symbols, and the difference between plug and ball valves, along with supplier insights and pricing.

What is a Plug Valve?

A plug valve is a quarter-turn rotary valve that uses a cylindrical or conical plug to control the flow of fluid. The plug has a passage through it that allows fluid to pass when aligned with the pipe. When the plug is rotated 90°, it blocks the flow.

These valves are known for:

Fast operation

Compact design

Reliable sealing

Versatile applications

Types of Plug Valves

🔹 1. Lubricated Plug Valve

Uses a sealing lubricant injected into a cavity.

Suitable for high-pressure and high-temperature services.

Common in oil and gas pipelines.

🔹 2. Non-Lubricated Plug Valve

Uses sleeves of Teflon or elastomer to reduce friction.

Maintenance-free, ideal for low-pressure applications.

🔹 3. Eccentric Plug Valve

Has an off-center plug and non-metallic seat.

Offers tight shutoff and is used in wastewater and slurries.

🔹 4. Expanding Plug Valve

Two-piece plug design.

Provides double block and bleed function.

Used in petrochemical and terminal systems.

🔹 5. Multi-Port Plug Valve

3-way or 4-way valves for diverting flow.

Compact solution for manifold systems.

Plug Valve Symbol

The standard P&ID symbol for a plug valve typically shows:

A straight line (representing the pipe)

A square or rectangle with a central circle or dot (representing the plug)

Arrows may be added to indicate flow direction

Plug valve symbols are crucial in engineering drawings and installation plans.

Plug Valve vs Ball Valve – Key Differences

FeaturePlug ValveBall ValveClosure MechanismCylindrical or tapered plugSpherical ballFlow PassageStraight or multi-portFull bore or reduced boreSealingLubricated/sleevedSoft or metal seatMaintenanceEasy; may need lubricationMinimalSize RangeWide; compactSlightly bulkierTypical UseOil, gas, wastewater, chemicalsWater, HVAC, general services

✅ Use plug valves when durability, tight sealing, or multi-directional flow is needed. ✅ Use ball valves for quick shutoff with minimal pressure drop.

Where Are Plug Valves Used?

🛢️ Oil & gas transportation

🏭 Chemical processing plants

🚰 Water treatment facilities

🧪 Pharmaceutical systems

🔥 Petrochemical and power plants

🚧 Slurry and abrasive material lines

Plug Valve Materials & Sizes at Udhhyog

We manufacture plug valves in:

Cast Iron (CI)

Ductile Iron (DI)

Carbon Steel (WCB)

Stainless Steel (SS 304/316)

Bronze or Gunmetal

Size Range:

15 mm to 300 mm

Pressure ratings: PN10, PN16, PN25, ANSI 150/300

Plug Valve Price List – Delhi Market

TypeSize (mm)MaterialPrice Range (INR)Lubricated Plug Valve25–200CI/WCB₹1,800 – ₹12,000Non-Lubricated Plug15–100CI/SS₹1,200 – ₹6,000Eccentric Plug Valve50–300DI/WCB₹4,000 – ₹18,000Expanding Plug Valve50–200WCB/SS₹8,000 – ₹25,000Multi-Port Plug Valve25–150Bronze/SS₹5,000 – ₹15,000

📌 Prices vary by material, end connection, pressure rating, and coating. Contact Udhhyog for project quotations.

Why Choose Udhhyog – Best Plug Main Valve Supplier in Delhi

🏭 Manufacturing Strength

In-house production with machining, assembly, and pressure testing facilities.

📦 Extensive Product Range

Full catalog of plug valves with options for customization and coating.

📈 Delivery & Support

Serving Delhi and surrounding states – Punjab, Haryana, UP, Rajasthan, J&K.

💬 Expert Guidance

Support for valve selection, sizing, and technical documentation.

💰 Affordable Pricing & Bulk Supply

Competitive pricing for distributors, OEMs, and infrastructure projects.

Conclusion

Plug valves are versatile, reliable, and essential in various industrial pipelines for tight shutoff and flow diversion. With multiple types like lubricated, eccentric, expanding, and multi-port, choosing the right plug valve is key to system efficiency.

Trust Udhhyog, Delhi’s top plug main valve manufacturer and supplier, for quality products, fair pricing, and professional support.

Contact Udhhyog Today