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. 🧰 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 Valve vs Sight Glass Set: What’s the Difference?

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 Sight Glass Valves control and monitor flow, while Sight Glass Sets include both glass indicators and isolation valves. Valves offer direct shut-off; sets offer complete flow observation with safety. Both are vital in industrial Udyogs for steam, oil, and chemical pipelines. This guide compares features, price, and applications.

🧰 What is a Sight Glass Valve?

A Sight Glass Valve combines a visual flow indicator with a valve function, allowing operators to monitor and control media like gas, steam, or liquid.

🔹 Key Features:

  • Integrated shut-off or control mechanism

  • Glass inspection window

  • Threaded or flanged ends

  • Brass, bronze, SS, or cast iron body

What is a Sight Glass Set?

A Sight Glass Set includes a sight glass body, valves on both ends (typically isolation valves), and accessories like seals and gaskets. It provides full visibility and safety during inspection.

🔸 Key Components:

  1. Sight glass tube (borosilicate)

  2. Isolation valves (2 pcs)

  3. Gaskets & fittings

  4. Drain cock (optional)

📊 Sight Glass Valve vs Sight Glass Set: Comparison Table

FeatureSight Glass ValveSight Glass Set
FunctionView + Control FlowView + Isolate + Replace Sight Glass
InstallationSingle unitMulti-component system
Cost₹700 – ₹3,000₹2,500 – ₹7,500
MaterialSS, Bronze, Cast IronBorosilicate + Metal Valves
Pressure RatingUp to 25 bar10–40 bar (depends on set)
ApplicationsInline flow regulationContinuous process inspection

🏭 Industrial & Udyog Applications

✅ Sight Glass Valve Uses:

  • Water treatment plants

  • Chemical dosing systems

  • HVAC and boiler systems

  • Oil refineries

✅ Sight Glass Set Uses:

  • High-pressure steam pipelines

  • Food & pharma Udyogs

  • Effluent treatment units

  • Chemical reactors

💰 Sight Glass Valve & Set Price in India (2025)

Product TypeSizePrice Range (INR)
Sight Glass Valve½"–2"₹700 – ₹3,000
Sight Glass Set½"–2"₹2,500 – ₹7,500

Prices vary by brand, pressure rating, and body material. For Udhhyog-grade fittings, SS and bronze are preferred.

🛒 Where to Buy: Verified Suppliers

🔧 Platforms:

  • IndiaMART – Bulk buyers & manufacturers

  • TradeIndia – Udyog-grade suppliers

  • Justdial – Dealers in Delhi, Mumbai, Ahmedabad

FAQ

What is the difference between sight glass valve and sight glass set?

A sight glass valve combines visual flow check and control, while a sight glass set includes separate components like glass and isolation valves for complete system inspection and maintenance.

Which one is better for industrial Udyogs?

For high-pressure and continuous processes, a Sight Glass Set is ideal. For simple flow control with monitoring, use a Sight Glass Valve.

How much does a sight glass valve cost in India?

Prices range from ₹700 to ₹3,000 depending on size, pressure rating, and material (bronze, SS, cast iron).

Where to find the best sight glass valve suppliers near me?

Search on IndiaMART, Justdial, or TradeIndia with your city name for verified Udyog suppliers.

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