How to Use a Puddle Flange in RCC Slab Construction – Step-by-Step Guide

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  A puddle flange is a simple yet essential fitting used in civil construction to prevent water leakage where pipes pass through concrete structures. In RCC (Reinforced Cement Concrete) slabs, these flanges act as a seal that stops water from migrating along the outer surface of a pipe. Whether you are working on water tanks, basements, lift pits, or underground pipelines, installing a puddle flange correctly ensures waterproofing and structural durability. This step-by-step guide from Udhhyog , a leading supplier of GI, MS, and SS puddle flanges in India, explains how to use a puddle flange during RCC slab construction. ๐Ÿงฐ Step-by-Step Guide ✅ Step 1: Choose the Right Puddle Flange Select a puddle flange based on the pipe size and material (MS, GI, or SS). GI puddle flanges are ideal for general drainage and water pipes. Use stainless steel for corrosive environments or coastal zones. At Udhhyog , we provide puddle flanges in custom sizes with...
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Sight Glass: Types, Working & Industrial Applications (2025)

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A sight glass is a transparent tube or window used to observe liquid or gas flow in pipelines, tanks, or boilers. This guide covers its working, types, uses in Udhhyog (industry), pricing, and trusted suppliers in India and Delhi for 2025.

 What is a Sight Glass?

A sight glass is a visual indicator used in piping systems to monitor the flow, clarity, and level of liquids or gases. Commonly used in boilers, tanks, and chemical plants.

Key Functions:

  • Real-time fluid monitoring

  • Detect flow irregularities

  • Ensure quality control

  • Maintain safety in industrial Udyogs

⚙️ How Does a Sight Glass Work?

  • A transparent glass or acrylic window is installed in the line or tank.

  • Fluids or gases flow past the glass, allowing visual inspection.

  • Pressure and temperature resistance depends on material (borosilicate, SS, acrylic).

Most sight glasses are rated for 10-40 bar pressure and 120°C+ temperature depending on type.

๐Ÿ”„ Types of Sight Glasses

1. Based on Design:

TypeDescription
Tubular Sight GlassTransparent tube for level indication
Window Sight GlassFlat round or rectangular pane in pipelines
Weld Pad Sight GlassFused to tanks or pressure vessels
Full View Sight Glass360° visibility for flow monitoring

2. Based on Material:

MaterialUse Case
BorosilicateHigh-temp, chemical plants
Stainless SteelSanitary, pharma Udyogs
Acrylic/PlasticLow-pressure systems

๐Ÿญ Industrial & Udyog Applications

Industries Using Sight Glasses:

  • ๐Ÿ—️ Construction (water lines, tanks)

  • ๐Ÿงช Chemical plants

  • ๐Ÿถ Food & beverage

  • ๐Ÿฉบ Pharmaceutical

  • ๐Ÿ›ข️ Oil & gas

  • ๐Ÿ’ง Effluent treatment plants

Common Applications:

  1. Monitoring boiler feedwater

  2. Visual inspection in reactors

  3. Fluid level in storage tanks

  4. Flow verification in pipelines

Sight glasses play a crucial role in Udyogs for safety, compliance, and operational monitoring.

๐Ÿ’ฐ Sight Glass Price in India (2025)

TypeMaterialApprox Price Range (INR)
TubularBorosilicate₹350 – ₹1,500
WindowSS with Glass₹800 – ₹3,500
Weld PadCarbon Steel₹2,000 – ₹5,500
Full ViewSS/Borosilicate₹2,500 – ₹7,000

Prices vary by size, pressure rating, and brand.

๐Ÿ“ Trusted Sight Glass Suppliers in India

Top Platforms:

  • IndiaMART – Verified industrial valve manufacturers

  • TradeIndia – Supplier catalogs with direct RFQs

  • Justdial – City-wise PRV and sight glass dealers

Supplier Tips:

  • Ask for test certificates (TCs)

  • Check for ISO/ISI certified manufacturers

  • Prefer GMB-verified Udyog suppliers

Optimization for Suppliers

For Local SEO:

  • ๐Ÿ“ธ Upload images of products & warehouse

  • ๐Ÿท️ Use keywords: “Sight Glass for Udyog”, “Industrial Sight Glass Delhi”

  • ๐Ÿ“ Enable Maps direction & chat option

  • ๐ŸŒŸ Encourage Udyog clients to post reviews

 FAQs

What is a sight glass used for?

A sight glass allows visual monitoring of fluids in pipelines, boilers, or tanks to detect flow, level, or contamination in real-time.

Which material is best for a sight glass?

Borosilicate is best for high-temperature industrial use. Stainless steel options are great for hygienic applications like pharma and food Udyogs.

What is the price of a sight glass in India?

Sight glasses range from ₹350 to ₹7,000 depending on design, size, and material.

Where can I find a sight glass supplier near me?

Check platforms like IndiaMART, TradeIndia, or search on Google Maps using “sight glass supplier near me” + your city.

✅ Conclusion

Sight glasses are vital in Udhhyog operations for monitoring flow and maintaining safety. Choose the right type based on your industry and operating conditions. Always buy from trusted suppliers listed on IndiaMART, Justdial, or TradeIndia and optimize your Google My Business listing for better visibility.

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