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 Kit: What’s Included & How to Use It in Udyog

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A Sight Glass Valve Kit is a pre-packaged industrial unit that includes all the essential components for fluid level monitoring and control. It is widely used in Udhhyog (industries) like chemical, pharmaceutical, dairy, and food processing units where real-time liquid flow visibility is crucial.

 What is a Sight Glass Valve Kit?

A Sight Glass Valve Kit is a combination of components that provide visual monitoring of liquid or gas flow within pipelines or tanks.

✅ Key Features:

  • Enables transparent flow observation

  • Helps detect impurities or flow disruption

  • Compatible with high-pressure & temperature systems

What’s Included in a Sight Glass Valve Kit?

ComponentDescription
Sight Glass ValveTransparent valve to monitor fluid flow
Gaskets/SealsEnsure leak-proof installation
Threaded ConnectorsEasy connection to piping systems
Mounting Bolts/NutsFor fixture and assembly
User ManualInstallation and maintenance guide

 Types of Sight Glass Valve Kits

1. Based on End Connection

  • Threaded Sight Glass Kit

  • Flanged Sight Glass Kit

2. Based on Material

  • Stainless Steel Sight Glass Kit

  • Bronze Sight Glass Kit

  • Borosilicate Glass Kit

3. Based on Pressure Class

  • Low Pressure Kit (Up to 10 bar)

  • Medium Pressure Kit (10-25 bar)

  • High Pressure Kit (Above 25 bar)

 How to Use and Install a Sight Glass Valve Kit

✅ Step-by-Step Installation:

  1. Shut off the fluid line completely

  2. Place gaskets on each flange face

  3. Align and mount the sight glass valve

  4. Secure using bolts and nuts

  5. Test for leaks before resuming flow

✅ Usage Tips:

  • Regularly inspect for cracks or clouding

  • Clean using non-corrosive chemicals

  • Avoid over-tightening to prevent glass damage

Applications in Udyog (Industries)

Sight Glass Valve Kits are vital in:

  • Chemical Plants – Acidic or hazardous fluid monitoring

  • Food & Beverage – Visual inspection of milk, beer, etc.

  • Pharmaceutical Udyog – Ensuring sterility in flow lines

  • Water Treatment Units – Checking contamination or flow blockage

Sight Glass Valve Kit Price in India

TypeSizeMaterialAvg. Price (INR)
Threaded1/2 inchBronze₹400 - ₹600
Flanged1 inchSS304₹1,200 - ₹1,800
Welded2 inchSS316₹2,500+

Note: Prices may vary based on pressure rating, glass type, and brand.

Top Suppliers of Sight Glass Valve Kits in India

Trusted Platforms for Sourcing:

  • TradeIndia

  • Justdial

  • Indiamart

📍 Popular Industrial Cities:

  • Delhi (Pitampura, Bawana Udyog Nagar)

  • Mumbai (MIDC Areas)

  • Ahmedabad (Vatva Industrial Estate)

  • Chennai (Guindy Industrial Estate)

FAQs 

What is a Sight Glass Valve Kit?

A Sight Glass Valve Kit is a complete assembly that includes a transparent valve and all components needed for visual flow monitoring in pipelines.

What is the use of a sight glass valve?

It allows visual inspection of liquids or gases moving through a pipe or tank, commonly used in chemical, pharma, and food Udyog units.

How to choose the right size?

Match the kit size (e.g., 1/2 inch or 1 inch) to your pipeline diameter and ensure pressure & temperature compatibility.

What is the price of a Sight Glass Valve Kit in India?

Prices range from INR 400 to INR 2500+ depending on material, connection type, and pressure rating.

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