In high-pressure systems, safety, precision, and flow control are critical. That’s where balanced safety relief valves and balanced plug valves come into play. These valves are designed to handle pressure fluctuations, back pressure, and provide consistent performance in demanding environments.
As a trusted valve manufacturer and supplier in Delhi, Udhhyog delivers high-quality, pressure-tested valves suitable for steam, gas, oil, and industrial process systems.
This article offers a complete guide to balanced valve types, their functions, selection tips, and price overview, along with why Udhhyog is your go-to supplier.
What is a Balanced Safety Relief Valve?
A balanced safety relief valve is a pressure relief device used to protect systems from overpressure while compensating for back pressure through the use of a bellows or diaphragm.
Key Features:
Maintains set pressure even with varying back pressure
Ideal for compressible fluids like gas and steam
Designed with bellows or piston seals to isolate spring chamber
Applications:
Boilers
Pressure vessels
Air compressors
Chemical reactors
What is a Balanced Plug Valve?
A balanced plug valve is a type of valve where internal pressure is equalized across the plug to reduce torque and wear during operation. It provides tight shutoff and easy control.
Key Features:
Low operating torque
Suitable for on/off and throttling services
Common in chemical plants, power plants, and oil terminals
Types of Balanced Safety Relief Valves
🔹 Balanced Bellows Safety Relief Valve
Features a flexible bellows to neutralize back pressure effects
Suitable for corrosive and toxic services
🔹 Pilot-Operated Relief Valve (Balanced Type)
Works under low pressure until the pilot detects overpressure
Ideal for high-capacity applications
🔹 Balanced Spring-Loaded Relief Valve
Uses spring pressure to maintain set point
Isolated spring chamber maintains accuracy
Types of Balanced Plug Valves
🔸 Lubricated Plug Valve (Balanced)
Lubricant layer minimizes torque and wear
Used in hydrocarbon and gas lines
🔸 Non-Lubricated Plug Valve (Pressure Balanced)
Uses pressure-balanced sleeves or elastomers
Maintenance-free and longer lifespan
🔸 Multi-Port Plug Valve (Balanced Type)
Diverts flow between multiple ports
Ideal for manifold systems
Balanced Valve Diagram & Symbol
Balanced Safety Relief Valve Diagram:
Displays inlet, outlet, spring, and bellows/pilot sections
Balanced Plug Valve Diagram:
Shows flow paths, plug rotation, pressure equalization holes
Symbols:
Used in P&ID schematics to identify valve type and function
Balanced Valve Price List – Delhi Market Overview
| Valve Type | Size (mm) | Price Range (INR) |
|---|---|---|
| Balanced Safety Relief Valve | 25–100 | ₹6,000 – ₹15,000 |
| Balanced Bellows Relief Valve | 25–100 | ₹7,500 – ₹18,000 |
| Pilot Operated Relief Valve | 50–200 | ₹15,000 – ₹45,000 |
| Lubricated Balanced Plug Valve | 25–150 | ₹8,000 – ₹20,000 |
| Non-Lubricated Plug Valve | 25–150 | ₹10,000 – ₹25,000 |
| Multi-Port Plug Valve | 50–200 | ₹12,000 – ₹30,000 |
📌 Note: Prices vary based on pressure class, material (CI, DI, SS, bronze), and end connections. Contact Udhhyog for exact quotations.
Where Are Balanced Valves Used?
🏭 Petrochemical and refineries
🔥 Steam generation plants
🚰 Water supply and treatment systems
🚛 Tanker and oil distribution units
🧪 Pharmaceutical processing plants
Balanced Valve Selection Guide
✅ 1. Determine Application
Use relief valves for pressure safety
Use plug valves for flow diversion and isolation
✅ 2. Confirm Pressure & Temperature
Match valve specs with your system design (PN10, PN16, ANSI, etc.)
✅ 3. Choose the Right Material
CI for general use
DI for high-pressure
SS or bronze for corrosive fluids
✅ 4. Select Valve Type
Bellows for back pressure compensation
Pilot-operated for precision and capacity
Lubricated for low maintenance
✅ 5. Pick a Trusted Manufacturer
Ensure quality, warranty, and performance testing from top brands like Udhhyog
Why Udhhyog – Best Balanced Valve Manufacturer in Delhi
🔧 High-Performance Valves
Engineered for durability, safety, and precision.
📦 Wide Range Available
Stock and supply for 25 mm to 200 mm sizes.
🧪 Tested & Certified
Each valve undergoes hydrostatic and pneumatic testing.
💬 Expert Technical Support
Guidance for system compatibility, sizing, and installation.
🚚 Fast Delivery Across North India
Serving Delhi, Haryana, Punjab, UP, J&K, and Himachal Pradesh.
Conclusion
Balanced safety relief valves and plug valves are vital for maintaining system pressure, safety, and fluid control in complex industrial and commercial systems. With the right valve, you ensure efficiency, longevity, and safety compliance.
Choose Udhhyog, Delhi’s most reliable manufacturer and supplier, for top-quality balanced valves backed by technical support, quick delivery, and competitive pricing.
Contact Udhhyog Today
📞 Call now or Visit Udhhyog Website to request quotes, catalogs, or installation guidance.
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