Manufacturer, Supplier & Exporter of Ductile Iron Collar
Ductile Iron Collar is an essential pipe fitting used primarily in water supply, sewage systems, and industrial piping networks. It acts as a connector or coupling piece, joining two pipes together securely while ensuring leak-proof and robust connections. Manufactured from high-quality ductile iron, these collars are designed to offer superior strength, corrosion resistance, and durability compared to traditional cast iron or steel alternatives. The ductile iron material provides excellent mechanical properties, including high tensile strength and flexibility, making the collars suitable for high-pressure applications in diverse environments..
Riddhi Siddhi Impex, a reputed manufacturer and supplier, specializes in delivering premium quality ductile iron collars across India. Known for their stringent quality control processes, Riddhi Siddhi Impex ensures that each ductile iron collar conforms to international standards such as IS 8329, ISO 2531, and EN 545. Their collars undergo rigorous testing for dimensional accuracy, mechanical strength, and surface treatment to withstand harsh operating conditions. With an extensive product range catering to different pipe sizes and pressure classes, the company caters to both large-scale industrial clients and municipal water departments..
The domestic availability of ductile iron collars supplied by Riddhi Siddhi Impex is widespread across India. They have a strong distribution network covering metropolitan hubs like Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, and Kolkata. These cities, being key centers for infrastructure development and urban water management, consistently demand reliable pipe fittings such as ductile iron collars for ongoing projects. Additionally, the company services growing tier-2 and tier-3 cities like Pune, Ahmedabad, Surat, Vadodara, Rajkot, and Nagpur, where infrastructure expansion drives the need for durable piping solutions.
The southern and coastal markets including Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, and Mangalore represent significant demand centers for ductile iron collars. These cities often deal with corrosive environments, and the corrosion-resistant properties of ductile iron collars make them ideal for such conditions. Riddhi Siddhi Impex’s commitment to quality and prompt delivery services ensures customer satisfaction in these regions, supporting ongoing urban development and industrial projects.
Further extending their reach, Riddhi Siddhi Impex supplies ductile iron collars to central and northern cities including Indore, Bhopal, Jaipur, Kanpur, Lucknow, and Agra. These regions often require fittings compliant with local water supply board specifications, which the manufacturer fulfills by tailoring products according to regional standards. Eastern and northeastern cities like Varanasi, Amritsar, Chandigarh, and Mysuru (Mysore) also benefit from timely deliveries ensuring uninterrupted execution of waterworks and sanitation projects..
Ductile Iron Collar Specifications & Details
1. Specification
| Parameter | Details |
|---|---|
| Material | Ductile Iron (Grade 500-7) |
| Standard | IS 8329, ISO 2531, EN 545 |
| Surface Treatment | Polyethylene coating / Bituminous coating / Epoxy lining (Optional) |
| Pressure Class | PN10, PN16, PN25, PN40 |
| Operating Temperature | -10°C to +120°C |
| Application | Water supply, sewage, industrial piping systems |
2. Chemical Composition
| Element | Typical Percentage (%) | Standard |
|---|---|---|
| Carbon (C) | 3.5 - 4.0 | IS 8329, ISO 1083 |
| Silicon (Si) | 1.8 - 2.8 | IS 8329, ISO 1083 |
| Manganese (Mn) | 0.15 - 0.60 | IS 8329, ISO 1083 |
| Phosphorus (P) | ≤ 0.06 | IS 8329, ISO 1083 |
| Sulfur (S) | ≤ 0.03 | IS 8329, ISO 1083 |
| Magnesium (Mg) | 0.03 - 0.07 | IS 8329, ISO 1083 |
3. Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥ 420 MPa | IS 8329, ISO 1083 |
| Yield Strength (0.2% offset) | ≥ 300 MPa | IS 8329, ISO 1083 |
| Elongation | ≥ 10% | IS 8329, ISO 1083 |
| Hardness (Brinell) | 180 - 230 HB | IS 8329, ISO 1083 |
4. Dimension Chart
| Nominal Diameter (DN) | Outer Diameter (mm) | Length (mm) | Pressure Class |
|---|---|---|---|
| DN 50 | 88.9 | 120 | PN10, PN16 |
| DN 100 | 139.7 | 140 | PN10, PN16 |
| DN 150 | 190.5 | 160 | PN10, PN16, PN25 |
| DN 200 | 241.3 | 180 | PN10, PN16, PN25 |
| DN 300 | 355.6 | 210 | PN10, PN16, PN25, PN40 |
| DN 400 | 406.4 | 230 | PN10, PN16, PN25, PN40 |
5. Equivalent Grades & Standards
| Standard | Equivalent Grade | Remarks |
|---|---|---|
| IS 8329 | DI Grade 500-7 | Indian Standard for ductile iron pipe fittings |
| ISO 1083 | 500-7, 450-12 | International standard for ductile iron castings |
| EN 545 / EN 598 | EN-GJS-500-7 | European standard for ductile iron fittings |
| ASTM A536 | Grades 65-45-12, 60-42-10 | US standard for ductile iron castings |
6. Other Types of Ductile Iron Fittings
| Type | Description |
|---|---|
| Flanged Collar | Collar with flange for bolted pipe connections |
| Plain Collar | Simple coupling collar without flanges, used for pipe repair and extension |
| Dismantling Collar | Allows pipe length adjustment and easy disassembly |
| Socket & Spigot Collar | Push-on joint collar for easy assembly with gasket sealing |
Moreover, Riddhi Siddhi Impex caters to specialized industrial areas and emerging markets such as Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. These industrial belts require durable, high-performance ductile iron collars capable of handling diverse industrial fluids and pressure levels. The supplier’s ability to meet bulk orders and customized specifications has earned it a strong reputation among industrial contractors and infrastructure developers.
Frequently Asked Questions (FAQs)
- Q1: What is a ductile iron collar used for?
- It is used to join two ductile iron pipes securely, providing a leak-proof and strong connection in water and sewage pipelines.
- Q2: What are the pressure ratings available for ductile iron collars?
- Ductile iron collars are typically available in pressure classes PN10, PN16, PN25, and PN40 to suit various pipeline pressure requirements.
- Q3: What standards do ductile iron collars conform to?
- They conform to IS 8329, ISO 2531, EN 545, and ASTM A536 standards, ensuring quality and compatibility.
- Q4: Are ductile iron collars corrosion resistant?
- Yes, they are externally coated with bituminous or polyethylene coatings and internally lined with cement mortar or epoxy to resist corrosion.
Cities we have supplied our products to
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