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
| Feature | Plug Valve | Ball Valve |
|---|---|---|
| Design | Tapered/cylindrical plug | Spherical ball |
| Flow Control | Good for shutoff/diversion | Excellent for shutoff |
| Sealing | Lubricated/sleeved sealing | Soft or metal seat sealing |
| Multi-Port Capability | Yes (3-way, 4-way, etc.) | Limited |
| Pressure Handling | Suitable for high-pressure lines | Also suitable with trunnion types |
| Maintenance | Requires periodic maintenance | Lower maintenance |
| Compactness | Very compact | Slightly bulkier in design |
| Cost | Economical (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 Type | Size (mm) | Material | Price Range (INR) |
| Lubricated Plug Valve | 25–200 | CI/WCB | ₹1,800 – ₹12,000 |
| Non-Lubricated Plug Valve | 15–100 | CI/SS | ₹1,200 – ₹6,000 |
| Eccentric Plug Valve | 50–300 | DI/WCB | ₹4,000 – ₹18,000 |
| Multi-Port Plug Valve | 25–150 | Bronze/SS | ₹5,000 – ₹15,000 |
| Expanding Plug Valve | 50–200 | WCB/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
📞 Call now or Visit Udhhyog Website for detailed valve catalogs, pricing, and custom orders.
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