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Flange Bolt Torque Chart – Udhhyog’s Expert Guide

Ensuring secure and leak-proof connections in piping systems starts with proper bolt torque. Incorrect torque can lead to loose fittings or over-tightening, causing damage to the flange and gasket. At Udhhyog, we provide a detailed flange bolt torque chart to guide you in achieving precise and reliable connections for your industrial projects.

Why Flange Bolt Torque Is Crucial

Leak Prevention: Proper torque ensures a tight seal, preventing fluid or gas leakage.

Flange Integrity: Over-tightening can warp or crack the flange, compromising its durability.

Operational Safety: Secure connections prevent failures that can lead to accidents or costly downtime.

Extended Gasket Life: Applying the right torque minimizes wear and tear on gaskets.

Flange Bolt Torque Chart

The following torque values are for general reference. Always consult the flange manufacturer for specific recommendations.

Flange Size (inches)Bolt Diameter (mm)Torque (Nm)6M127512M1620018M2040024M24800

Factors Affecting Torque Values

Material of Flange: Stainless steel flanges may require different torque than mild steel.

Gasket Material: Softer gaskets require less torque to avoid compression damage.

Environmental Conditions: Temperature and pressure can affect torque requirements.

Explore Udhhyog’s Flanges

How to Apply Correct Torque

Use a Calibrated Torque Wrench: Ensure accuracy by using a wrench calibrated to the required torque.

Tighten Bolts in a Star Pattern: Gradually tighten the bolts in a crisscross pattern to evenly distribute pressure.

Apply Torque in Stages: Start with 50% of the recommended torque, then increase to 75%, and finally to 100%.

Recheck Torque After Operation: Retighten bolts as necessary after initial system operation to account for settling.

Types of Flanges and Bolt Torque

Mild Steel (MS) Flanges

Cost-effective and versatile for low-pressure systems. Learn More

Galvanized Iron (GI) Flanges

Offers corrosion resistance for outdoor and moisture-prone environments. View GI Flanges

Stainless Steel (SS 304 & SS 316) Flanges

Highly durable and ideal for high-pressure or corrosive environments. Browse SS 304 Flanges Check Out SS 316 Flanges

Best Practices for Flange Bolt Tightening

Use Proper Lubrication: Apply lubricant to the bolt threads to ensure smooth tightening and accurate torque application.

Inspect Before Installation: Check bolts, nuts, and flanges for defects or damage.

Maintain Uniform Gasket Compression: Ensure even pressure across the gasket to avoid leaks or damage.

Monitor Environmental Conditions: For high-temperature or high-pressure environments, consider periodic retightening.

Why Choose Udhhyog?

High-Quality Flanges: Our flanges are designed to meet rigorous industry standards.

Expert Support: Get guidance on torque specifications and flange selection.

Comprehensive Range: From MS to SS flanges, we have solutions for every industry.

Reliability You Can Trust: Trusted by industries worldwide for quality and performance.

Explore Our Full Range of Products

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Flange Weight Chart – Udhhyog’s Handy Reference

Flange weight is an essential factor in planning and managing industrial projects, especially for piping systems and structural installations. Accurate weight calculations help ensure proper support, alignment, and compatibility with connected components. At Udhhyog, we provide a detailed flange weight chart to simplify your decision-making and ensure seamless integration in your projects.

Why Flange Weight Matters

Structural Integrity: The weight of the flange influences the load-bearing capacity of the connected system.

Cost Calculation: Helps estimate transportation and installation costs.

Ease of Installation: Heavier flanges may require specialized equipment for lifting and assembly.

Compatibility: Ensures the flange weight aligns with pipeline or system specifications.

Flange Types and Their Average Weights

Below is an overview of the average weights for common flange types:

Mild Steel (MS) Flanges

MS flanges are lightweight and suitable for general-purpose applications.

6-inch MS Flange: 3.5 kg

12-inch MS Flange: 10.5 kg

18-inch MS Flange: 18.7 kg Explore MS Flanges

Galvanized Iron (GI) Flanges

GI flanges have a zinc coating that adds slightly to their weight.

6-inch GI Flange: 3.8 kg

12-inch GI Flange: 11.2 kg

18-inch GI Flange: 19.4 kg View GI Flanges

Stainless Steel (SS) 304 Flanges

SS 304 flanges are slightly heavier due to their high-grade material.

6-inch SS 304 Flange: 4.2 kg

12-inch SS 304 Flange: 12.0 kg

18-inch SS 304 Flange: 20.5 kg Browse SS 304 Flanges

Stainless Steel (SS) 316 Flanges

Known for superior corrosion resistance, SS 316 flanges have a similar weight profile to SS 304.

6-inch SS 316 Flange: 4.3 kg

12-inch SS 316 Flange: 12.5 kg

18-inch SS 316 Flange: 21.0 kg Check Out SS 316 Flanges

Factors Influencing Flange Weight

Material Composition: Heavier materials like stainless steel weigh more than mild steel.

Size and Thickness: Larger diameters and thicker flanges naturally weigh more.

Coating and Surface Treatment: Galvanization or other coatings can add marginal weight.

How to Use Udhhyog’s Flange Weight Chart

Step 1: Identify the flange type and size required for your project.

Step 2: Refer to the corresponding weight in the chart.

Step 3: Use the weight data to estimate transportation and installation logistics.

For custom flange sizes or materials, contact Udhhyog for accurate weight calculations and tailored solutions.

Applications of Weight-Specific Flanges

Piping Systems: Ensures proper alignment and load distribution.

Structural Supports: Prevents undue stress on support systems.

Industrial Plants: Helps in planning maintenance and replacements.

Marine Projects: Critical for installations subjected to buoyancy and underwater pressure.

Why Choose Udhhyog?

At Udhhyog, we pride ourselves on providing high-quality flanges with precise weight specifications. Our products are manufactured to meet the highest industry standards, ensuring reliability and durability. Explore Our Full Range of Flanges.

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Flange Material Selection Guide – Udhhyog Insights

Flanges play a critical role in ensuring strong, leak-proof connections in various industrial systems. The selection of the right material is paramount to the performance, durability, and efficiency of the flange in different environments. At Udhhyog, we offer a comprehensive range of flanges tailored to meet diverse industrial needs. This guide will help you understand the key factors to consider when selecting flange materials.

Common Flange Materials and Their Applications

1. Mild Steel (MS)

Characteristics: Affordable and versatile, mild steel is known for its strength and weldability. However, it requires protective coatings to prevent rust.

Applications: Widely used in construction, water systems, and low-pressure industrial pipelines.

Explore MS Flanges Here

2. Galvanized Iron (GI)

Characteristics: GI flanges are mild steel flanges coated with zinc for enhanced corrosion resistance. They are ideal for environments prone to moisture and humidity.

Applications: Commonly used in water distribution systems, irrigation setups, and HVAC pipelines.

Discover GI Flanges Here

3. Stainless Steel 304 (SS 304)

Characteristics: SS 304 is a highly corrosion-resistant material suitable for most applications. Its excellent mechanical properties make it a preferred choice in industries.

Applications: Used in food processing, chemical industries, and marine applications.

Browse SS 304 Flanges Here

4. Stainless Steel 316 (SS 316)

Characteristics: SS 316 offers superior corrosion resistance compared to SS 304, particularly in harsh chemical and saline environments.

Applications: Essential for oil and gas pipelines, chemical processing plants, and offshore applications.

View SS 316 Flanges Here

Factors to Consider When Selecting Flange Materials

1. Operating Environment

Corrosion Resistance: For corrosive environments, stainless steel options (SS 304 or SS 316) are ideal.

Temperature Tolerance: High-temperature systems require materials with excellent thermal stability, such as stainless steel.

2. Pressure Rating

Materials like mild steel are suitable for low-pressure systems, whereas stainless steel flanges perform well under high-pressure conditions.

3. Budget Constraints

MS and GI flanges are cost-effective options for projects with budget limitations.

For long-term durability, investing in stainless steel may save costs over time.

4. Regulatory Standards

Certain industries, such as food and pharmaceuticals, mandate the use of specific materials like SS 304 for hygiene and safety compliance.

5. Compatibility with Fluids

Ensure the material can withstand the chemical properties of the fluid being transported to prevent corrosion or material degradation.

Advantages of Udhhyog’s Flanges

Custom Solutions: Tailored to meet specific project requirements.

Durable Materials: Manufactured using high-quality materials to ensure longevity.

Industry Compliance: Our flanges meet industry standards for safety and reliability.

Expert Guidance: Assistance in choosing the right flange for your application.

Applications Across Industries

Udhhyog’s flanges are trusted by industries worldwide:

Oil and Gas: Reliable connections for high-pressure pipelines.

Construction: Supporting structural integrity in buildings.

Water Systems: Ensuring leak-proof distribution networks.

Chemical Processing: Withstanding aggressive chemicals and high temperatures.

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Flange Manufacturing Process – Udhhyog's Expertise

Flanges are a vital component in various industries, including oil and gas, construction, and water systems. Understanding how flanges are manufactured helps you appreciate their durability and reliability. At Udhhyog, we specialize in crafting high-quality flanges for diverse applications. This guide will walk you through the key steps in the flange manufacturing process, shedding light on the materials, methods, and quality checks involved.

Materials Used in Flange Manufacturing

The choice of material is critical in flange production, as it determines the strength, durability, and resistance to corrosion. Common materials include:

Mild Steel (MS): Cost-effective and suitable for general applications.

Galvanized Iron (GI): Offers added corrosion resistance.

Stainless Steel (SS 304 & SS 316): Ideal for environments exposed to high temperatures and corrosive substances.

Explore Udhhyog’s Flange Materials Here

Key Steps in Flange Manufacturing

1. Raw Material Selection

The process begins with selecting high-quality raw materials based on the desired flange specifications. At Udhhyog, we ensure all materials meet industry standards for strength and durability.

2. Cutting and Shaping

Using advanced cutting machines, raw materials are shaped into the basic form of the flange. Precision cutting ensures minimal waste and accurate dimensions.

3. Forging

Forging is the process of shaping the flange under high heat and pressure. This step enhances the flange’s strength and improves its resistance to wear and tear. Common forging techniques include:

Open Die Forging: Ideal for large flange sizes.

Closed Die Forging: Used for smaller, more intricate designs.

4. Machining

After forging, the flange undergoes machining to refine its dimensions and surface finish. This includes:

Turning: To achieve the desired outer diameter.

Drilling: For bolt holes that allow secure connections.

Facing: Ensures a smooth surface for gasket seating.

5. Heat Treatment

Heat treatment enhances the mechanical properties of the flange, such as toughness and resistance to corrosion. Processes like annealing and quenching are commonly used.

6. Surface Finishing

The flange is subjected to surface finishing techniques, such as polishing or coating, to improve its appearance and protect it from corrosion.

7. Quality Inspection

Before flanges are shipped, they undergo rigorous quality checks, including:

Dimensional Accuracy Testing

Pressure and Leak Testing

Material Composition Analysis

This ensures that every flange meets the highest standards of performance and reliability.

Flange Types Manufactured by Udhhyog

At Udhhyog, we manufacture a wide variety of flanges to suit different applications:

MS Flanges: Learn More

GI Flanges: Learn More

SS 304 Flanges: Learn More

SS 316 Flanges: Learn More

Each flange is crafted with precision and undergoes stringent quality checks to ensure superior performance.

Benefits of Udhhyog's Flange Manufacturing Process

High Precision: Advanced machining and forging ensure accurate dimensions.

Durability: High-quality materials and heat treatment processes enhance longevity.

Custom Solutions: We offer tailor-made flanges to meet specific industry requirements.

Reliability: Rigorous quality checks ensure that our flanges perform flawlessly under pressure.

Applications of Flanges

Flanges manufactured by Udhhyog are used in various industries, including:

Oil and Gas: For secure pipeline connections.

Water Systems: Ensuring leak-proof joints.

Chemical Processing: Withstanding corrosive environments.

Structural Engineering: Providing stability in construction projects.

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Flange Installation Guide – Udhhyog's Expert Tips

Flanges are essential components in industrial and structural applications, ensuring secure and leak-proof connections in piping systems, machinery, and more. While choosing the right flange is crucial, proper installation is equally important for optimal performance and longevity. In this article, Udhhyog provides a comprehensive step-by-step guide to flange installation, ensuring that your systems remain secure and efficient.

Types of Flanges Commonly Installed

Before diving into the installation process, it’s important to identify the type of flange you're working with. Common types include:

Slip-On Flanges: Easy to install, ideal for low-pressure applications.

Weld Neck Flanges: Suitable for high-pressure environments, offering superior strength.

Blind Flanges: Used to seal piping systems or block flow.

Socket Weld Flanges: Often used in smaller pipe sizes for high-pressure systems.

Threaded Flanges: Convenient for systems that require quick disassembly.

Each type requires specific considerations during installation to ensure a proper seal and secure connection.

Tools and Materials Needed for Flange Installation

To ensure a smooth installation process, gather the following tools and materials:

Gaskets: For leak-proof sealing.

Bolts, Nuts, and Washers: Ensure they match the flange type and size.

Torque Wrench: For precise tightening of bolts.

Lubricant: Reduces friction during bolting and prevents galling.

Alignment Tools: Ensures precise alignment of flanges.

Protective Gear: Safety gloves, goggles, and appropriate clothing.

Step-by-Step Flange Installation Process

1. Prepare the Flanges and Components

Clean all flange surfaces, gaskets, and bolts to remove debris, dirt, or grease. Inspect for any damage, such as cracks or irregularities, that could affect the seal.

2. Align the Flanges

Ensure the flanges are properly aligned before assembly. Misalignment can lead to uneven stress distribution and potential leaks. Use alignment tools to achieve precise positioning.

3. Insert the Gasket

Place the gasket between the flanges, ensuring it is centered. The gasket material should be compatible with the fluid or gas being transported.

4. Insert Bolts and Tighten

Insert bolts through the flange holes and loosely hand-tighten the nuts. Use a star tightening pattern to evenly distribute the load and avoid uneven pressure on the gasket.

5. Torque the Bolts

Using a torque wrench, tighten the bolts to the specified torque value provided by the manufacturer. Follow the star pattern to ensure uniform sealing.

6. Inspect the Connection

Once all bolts are tightened, inspect the flange connection for any visible gaps or misalignments. Perform a pressure test if required to ensure the system is leak-free.

Common Installation Mistakes to Avoid

Skipping Cleaning: Dirt or debris on flange surfaces can compromise the seal.

Over-Tightening Bolts: Excessive torque can damage the gasket or flange.

Using Incorrect Gaskets: Always choose gaskets that match the flange material and operating conditions.

Ignoring Alignment: Misaligned flanges can lead to uneven pressure and leaks.

Why Choose Udhhyog for Flange Solutions?

At Udhhyog, we provide top-quality flanges and installation accessories to meet the demands of industrial and structural applications. Our range includes:

MS Flanges: Explore here

GI Flanges: Explore here

SS 304 Flanges: Explore here

SS 316 Flanges: Explore here

Our expert team is also available to provide guidance on installation and maintenance.

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Top MS Flange Supplier in India at Best Prices

MS flanges are vital for various industrial applications, offering excellent reliability and versatility. As one of the most trusted names in the industry, Udhhyog provides superior-quality MS flanges to meet the unique needs of businesses and MSMEs across India. With affordability, quality assurance, and exceptional service, we ensure that your projects stay on track.

Why Choose MS Flanges?

Mild Steel (MS) flanges are widely appreciated for their strength, durability, and cost-effectiveness. They are an essential part of piping systems, ensuring the seamless connection between pipes and valves. Whether you are working on a construction project, water treatment system, or industrial plant, MS flanges provide a long-lasting, corrosion-resistant solution.

Explore Udhhyog’s Extensive Range of MS Flanges

At Udhhyog, we provide a variety of MS flanges to cater to different industrial and construction needs. Our MS Flange products are manufactured under strict quality standards and are available at competitive prices:

1. MS Flange ISI 1538 Our MS Flange ISI 1538 is trusted for its durability and superior quality. Designed for industrial use, these flanges ensure stable, leak-proof connections for all types of piping systems.

2. MS Flange ASA 150 Our MS Flange ASA 150 provides optimal pipe connection support, ensuring safety and long-term reliability. It is an excellent choice for industries like water supply and construction.

3. MS Dummy Plate - 6mm Thickness Designed for diverse applications, our MS Dummy Plate - 6mm Thickness offers durability and dependability. Ideal for pipe fittings, this plate ensures projects are completed on time with minimal maintenance.

Benefits of Choosing MS Flanges from Udhhyog

Corrosion Resistance: Designed to withstand environmental challenges and maintain structural integrity.

Superior Quality: Our MS flanges are made from top-grade materials for added reliability.

Cost Savings: Offering competitive prices without compromising quality.

Versatility: Suitable for a wide range of industries, including construction, manufacturing, and water management.

Timely Delivery: We ensure quick and efficient delivery across India to keep your operations running smoothly.

Applications of MS Flanges

MS flanges are widely used across multiple sectors, such as:

Construction Projects: Connecting piping for drainage and utility systems.

Water Supply Networks: Managing efficient distribution of water supplies.

Oil and Gas Industries: Offering durable pipeline connections under high-pressure conditions.

Industrial Plants: Supporting seamless connections in manufacturing facilities.

Why Udhhyog is the Best Choice for MS Flanges

With years of industry expertise and a reputation built on quality, Udhhyog has become a trusted name for purchasing MS Flanges online. Our seamless delivery process, affordable prices, and high-quality inventory make us the go-to choice for industries and MSMEs.

Shop for MS Flanges Now

Discover the perfect MS Flange for your industrial requirements with Udhhyog. We offer an extensive catalog of solutions, from MS Flange ISI 1538 to versatile options like MS Dummy Plate - 6mm Thickness. Shop now and experience quality like never before.

Udhhyog makes purchasing MS flanges simple, affordable, and reliable. Shop with us today and take the first step toward seamless industrial operations.

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Reliable GI Flange Supplier at the Best Prices

GI flanges are essential components in modern piping systems, offering durability, reliability, and cost-effectiveness. At Udhhyog, we specialize in providing high-quality GI flanges that cater to the needs of various industries across India. With years of expertise, we ensure every GI flange adheres to strict quality standards while offering affordability and reliability.

Why Choose GI Flanges?

Galvanized Iron (GI) flanges are coated with zinc to provide superior corrosion resistance. They are widely used for projects requiring strength, longevity, and affordability. Whether you need flanges for industrial piping, construction, or water distribution systems, GI flanges are the right choice.

Udhhyog’s Wide Range of GI Flanges

At Udhhyog, we offer a comprehensive range of GI Flanges that cater to various industrial requirements:

1. GI Flange ISI - 1538 Our GI Flange ISI - 1538 is designed for high durability and efficient performance in various industrial systems. With corrosion-resistant properties, it stands up to challenging environmental conditions.

2. GI Flange ASA 150 Engineered for versatility and strength, our GI Flange ASA 150 ensures safe and reliable pipe connections across industries.

3. DRP GI Flange Table - E Designed for construction and pipe infrastructure, DRP GI Flange Table - E offers superior load resistance, excellent sealing, and outstanding durability.

Features That Make Udhhyog’s GI Flanges the Right Choice

Corrosion Resistance: Coated with zinc to prevent rust and corrosion.

Cost-Effective: Ideal for budget-conscious projects without compromising quality.

Wide Application: Suitable for industries like water supply, oil and gas, and construction.

High-Grade Material: Ensures long-lasting performance in demanding environments.

Applications of GI Flanges

GI flanges are used across a wide range of industries due to their durability and versatility:

Water Treatment Plants: Ensuring rust-free piping solutions for clean water management.

Construction Projects: Offering strength for construction pipelines and drainage systems.

Oil and Gas Pipelines: Supporting reliable flow connections under extreme pressure.

Agricultural Irrigation Systems: Creating dependable pipeline networks for efficient water delivery.

Why Shop at Udhhyog?

Trusted Supplier: With years of industry experience, we are a name trusted by thousands for quality and reliability.

Affordable Prices: Purchase high-quality GI Flanges at competitive prices, ensuring savings without compromise.

Quick Delivery: With prompt shipping across India, we ensure your projects are never delayed.

Easy Online Shopping: Our platform makes it simple to find and order the right flanges with just a few clicks.

Order Your GI Flanges Today

Choose Udhhyog for all your GI Flange needs. From DRP GI Flange Table - E to GI Flange ASA 150, our extensive product range ensures the best solutions for every application.

Place your order today with Udhhyog and experience the difference with fast shipping, competitive prices, and unmatched quality.

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Affordable SS 304 & MS Flanges for Industrial Use

Flanges are a critical component in various industries, providing essential pipe connection solutions that ensure secure fittings and functionality. At Udhhyog, we specialize in delivering premium SS 304 and MS flanges tailored to meet the diverse needs of industries across India. Our flanges are manufactured to strict quality standards, ensuring long-lasting performance and reliability.

Why SS 304 & MS Flanges Matter

Flanges like SS 304 and MS Flanges are indispensable in industries such as chemical processing, water treatment, construction, and manufacturing. They are known for their versatility, strength, and resistance to pressure and environmental changes.

Udhhyog’s Range of SS 304 & MS Flanges

1. SS 304 Flanges These are highly resistant to corrosion and heat, making them perfect for challenging industrial environments. Our SS 304 Flanges are trusted by industries dealing with high-pressure applications, food processing, and chemical industries.

2. MS Flanges Udhhyog offers high-strength MS Flanges that deliver unmatched performance at a budget-friendly price. These are commonly used for heavy-duty construction, piping, and manufacturing solutions.

Why Choose Udhhyog for Your Flange Needs?

Quality Products: We ensure each flange adheres to industry quality standards to guarantee performance and durability.

Affordable Prices: Our competitive pricing ensures you get the best without overspending.

Fast Delivery: We ship orders quickly across India, so you can keep projects running on time.

Trusted Supplier: With years of industry expertise, Udhhyog is a trusted name for flanges and industrial fittings.

Industries Using Our SS 304 & MS Flanges

Our premium flanges are utilized across various industries:

Construction Projects: Providing strength and reliability for complex pipe fittings.

Water and Wastewater Management: Resistant to corrosion, ideal for sustainable pipeline solutions.

Pharmaceutical Industry: Where hygiene and durability are critical.

Oil and Gas: High-quality flanges supporting critical industrial operations.

Features of Our Flanges

Corrosion Resistance: SS 304 flanges are highly resistant to rust, making them the preferred choice for chemical and food industries.

Cost-Effective: MS flanges provide excellent strength at a lower cost, perfect for budget-conscious projects.

Customizable Options: Udhhyog offers flanges in a variety of sizes and thicknesses to suit your specific needs.

International Standards: Every product complies with international and Indian standards to ensure safety and reliability.

Easy Ordering with Udhhyog

We simplify the procurement process with our intuitive online platform. Explore our range of MS Flanges and SS 304 Flanges and find the perfect fit for your industrial applications. With just a few clicks, you can purchase quality products at competitive prices.

Experience seamless and hassle-free service with Udhhyog, your trusted partner for industrial fittings and flanges.