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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DRP Bronze Sight Glass Threaded: Uses, Specs & Supplier

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DRP Bronze Sight Glass Threaded is a compact, corrosion-resistant flow indicator used in pipelines. Ideal for steam, oil, and water systems in industrial Udhhyog, it's easy to install and monitor. This article covers its specs, industrial uses, pricing in India, and top suppliers for 2025.

๐Ÿ› ️ What is DRP Bronze Sight Glass Threaded?

A DRP Bronze Sight Glass Threaded model is a threaded-end flow monitoring device made of durable bronze. It features a clear window for visual inspection of liquid or gas flow in closed-loop systems.

Key Features:

  • Durable bronze body (anti-corrosive)

  • Threaded male/female ends (BSP/NPT)

  • Compact & easy to install

  • High-temperature and pressure resistance

  • Ideal for Udyog pipelines

⚙️ Technical Specifications

FeatureSpecification
Body MaterialBronze (Gunmetal / DRP grade)
Size Range½" to 2" BSP/NPT
Temperature RangeUp to 200°C
Pressure Rating10 to 25 bar
Thread TypeBSPT / NPT
Viewing WindowToughened Glass / Borosilicate
UsageOil, Steam, Water, Gas lines

๐Ÿ”„ Working Principle of Threaded Sight Glass

  1. The sight glass is fitted inline via threaded ends.

  2. Media (fluid/gas) flows through the chamber.

  3. A clear window allows the operator to visually confirm:

    • Fluid flow

    • Color or contamination

    • Direction of flow (with rotor models)

Ideal for manual inspection in Udyog applications like chemical, petrochemical, and HVAC systems.

๐Ÿ“ฆ DRP Bronze Sight Glass Price in India (2025)

SizeThread TypePrice (INR) Range
½ inchBSP₹500 – ₹850
1 inchBSP/NPT₹750 – ₹1,200
1.5 inchBSP₹1,200 – ₹1,800
2 inchNPT₹1,800 – ₹2,500

Prices vary by pressure class, certification, and supplier margins.

๐Ÿญ Industrial & Udyog Applications

Widely Used In:

  • ๐Ÿญ Chemical Processing Units

  • ๐Ÿงช Pharma & Biotech Udyogs

  • ๐ŸŒก️ Boilers and heat exchangers

  • ๐Ÿ›ข️ Oil & Gas Refining

  • ๐Ÿ’ง Water treatment and ETP

  • ๐Ÿšข Marine & HVAC Systems

Key Use Cases:

  1. Line fluid observation

  2. Steam trap output monitoring

  3. Checking coolant flow in reactors

  4. Inline inspection for contamination

๐Ÿ›’ Verified DRP Bronze Sight Glass Suppliers in India

Top Supplier Directories:

  • IndiaMART – DRP threaded sight glass wholesalers

  • TradeIndia – OEM bronze fitting suppliers

  • Justdial – Dealers in Pitampura, Delhi & Mumbai


FAQs

What is a DRP Bronze Sight Glass Threaded used for?

It is used to monitor fluid or gas flow in pipelines visually, especially in high-pressure Udyog systems like oil, steam, or water lines.

What size options are available in DRP Bronze Threaded Sight Glass?

Common sizes include ½", ¾", 1", 1.5", and 2" with BSP/NPT threading.

What is the price of DRP Bronze Sight Glass in India?

The price ranges from ₹500 to ₹2,500 depending on size, thread type, and brand.

Where to find DRP Bronze Sight Glass suppliers near me?

Check verified suppliers on IndiaMART, TradeIndia, or Justdial by searching with your city name and product keyword.

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