Sight glass valves and level indicators are essential components used in industrial processing, chemical plants, oil & gas refineries, and water treatment facilities. They provide real-time visibility into fluid levels, flow conditions, and contamination detection.
As a leading manufacturer and supplier of sight glass valves and level indicators in Delhi, Udhhyog offers a wide range of durable and high-precision sight glasses for industrial, commercial, and mechanical applications.
This guide covers types of sight glass valves, their applications, pricing details, and how to select the best solution for your needs.
What are Sight Glass Valves & Level Indicators?
A sight glass valve is a transparent viewing device installed in pipelines or tanks to monitor fluid flow, contamination, and pressure levels.
A level indicator helps in measuring and monitoring fluid levels in tanks, boilers, and process systems.
Key Benefits of Sight Glass Valves & Level Indicators:
✔ Provides real-time monitoring of fluid levels and flow.
✔ Ensures contamination-free processing in industries.
✔ Prevents overflows and maintains system efficiency.
✔ Reduces maintenance time and improves safety.
✔ Available in glass, stainless steel, and corrosion-resistant materials.
Sight Glass Valve Diagram & Symbol
A sight glass valve diagram visually represents how fluids pass through the transparent section, while the symbol is widely used in engineering schematics.
Types of Sight Glass Valves & Level Indicators
At Udhhyog, we supply a wide range of sight glass solutions to cater to different industrial requirements.
1. Sight Glass Valve
Provides visual flow monitoring in pipelines and storage tanks.
Used in chemical, pharmaceutical, and food processing industries.
2. Sight Glass Level Indicator
Measures fluid levels inside tanks, boilers, and process vessels.
Used in water treatment, oil storage, and industrial tanks.
3. Reflex Sight Glass
Designed for high-pressure and high-temperature applications.
Provides clear visibility of liquid levels without external light sources.
4. Tubular Sight Glass Indicator
A transparent tube indicator used for continuous level monitoring.
Ideal for low-pressure tanks and water storage applications.
5. Flanged Sight Glass Valve
Installed in pipelines with flanged connections for high-pressure systems.
Used in petrochemical, gas, and oil refineries.
Where are Sight Glass Valves & Level Indicators Used?
1. Chemical & Pharmaceutical Industries
Monitors fluid movement in chemical reactors.
Ensures contamination-free processing in pharmaceutical production.
2. Oil & Gas Refineries
Provides real-time monitoring of fuel flow and oil storage tanks.
Helps prevent leaks and contamination in petrochemical plants.
3. Water Treatment & Boiler Systems
Used in municipal and industrial water treatment plants.
Prevents overflow and maintains optimal water levels in boilers.
4. Food Processing & Dairy Industry
Ensures hygienic fluid monitoring in food-grade processing units.
Helps prevent contamination in beverage and dairy industries.
5. Power Plants & Cooling Systems
Monitors coolant flow in heat exchangers and refrigeration systems.
Ensures proper lubrication and pressure regulation in turbines.
Sight Glass Valve & Level Indicator Price List
Latest Prices for Different Sight Glass Solutions
| Sight Glass Type | Size | Price Range (INR) |
|---|---|---|
| Sight Glass Valve | 1/2 to 4 Inch | ₹1,500 - ₹8,000 |
| Sight Glass Level Indicator | 1 to 6 Inch | ₹2,500 - ₹12,000 |
| Reflex Sight Glass | 1/2 to 4 Inch | ₹1,800 - ₹10,000 |
| Tubular Sight Glass Indicator | 1 to 6 Inch | ₹3,000 - ₹15,000 |
| Flanged Sight Glass Valve | 1 to 6 Inch | ₹4,500 - ₹20,000 |
📌 Note: Prices vary based on size, material, and bulk orders. Contact Udhhyog for updated pricing and discounts.
How to Select the Right Sight Glass Valve & Level Indicator?
1. Application Type
For standard pipeline monitoring – Choose a sight glass valve.
For industrial tank level monitoring – Use a sight glass level indicator.
For high-pressure applications – Select a reflex sight glass.
2. Size & Pressure Rating
1/2 to 2 inches for low-pressure applications.
3 inches & above for high-pressure industrial systems.
3. Material Selection
Tempered glass sight gauges for chemical resistance.
Stainless steel sight glasses for high-pressure machinery.
Brass sight indicators for corrosion-resistant applications.
4. Connection Type
Threaded sight glasses for small-scale installations.
Flanged sight glass valves for large industrial applications.
5. Manufacturer & Supplier Reliability
Purchase from trusted manufacturers like Udhhyog to ensure long-lasting and high-performance sight glass solutions.
Why Choose Udhhyog – Best Sight Glass Supplier in Delhi?
At Udhhyog, we specialize in manufacturing and supplying high-performance sight glass solutions for various industries.
✅ Premium-Quality Materials
We use tempered glass, stainless steel, and corrosion-resistant alloys to manufacture durable sight glass solutions.
✅ Competitive Pricing
Our pricing is cost-effective, making us the preferred supplier for industrial and commercial buyers.
✅ Wide Range of Sight Glass Solutions
We supply sight glass valves, level indicators, reflex sight glasses, and industrial-grade solutions.
✅ Fast & Reliable Delivery
We ensure on-time deliveries across Delhi, Haryana, Uttar Pradesh, and Jammu & Kashmir.
Contact Udhhyog for the Best Sight Glass Valves & Indicators
📞 Call Us Today or Visit Udhhyog to explore our range of sight glass valves, sight gauges, and industrial monitoring solutions.
✨ Choose Udhhyog – Your Trusted Sight Glass Supplier!

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