Manufacturer, Supplier & Exporter of Ductile Iron Couplings
Ductile Iron Couplings are essential components used to connect two sections of pipelines in a safe, reliable, and leak-proof manner. Known for their superior tensile strength, corrosion resistance, and flexibility, these couplings are widely used in water distribution, wastewater management, fire protection lines, and industrial fluid handling systems. They offer ease of installation without welding or flanging, making them a preferred choice in modern pipeline infrastructure..
Riddhi Siddhi Impex is a renowned manufacturer and supplier of Ductile Iron Couplings in India, offering a wide range of sizes and pressure ratings to suit various pipeline requirements. Their couplings are manufactured using high-grade ductile iron (as per IS 1865 and ASTM A536 standards) and coated with protective linings such as Fusion Bonded Epoxy (FBE) or Bitumen, ensuring durability even in aggressive environments.
As a prominent Ductile Iron Couplings Domastic supplier, Riddhi Siddhi Impex delivers its products to a vast network of Indian cities including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, and Surat. These urban centers are witnessing rapid infrastructure growth, where ductile iron couplings play a key role in laying sustainable water and wastewater pipelines
In western India, Riddhi Siddhi Impex has a strong footprint in Vadodara, Rajkot, Kolhapur, Nashik, Chandrapur, Dahej, Ankleshwar, and Valsad, where the demand for robust couplings in chemical and industrial zones is constantly rising. The company’s product range meets the needs of high-pressure and corrosive fluid transmission applications.
Southern cities like Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mysuru, Mangalore, and Visakhapatnam also count on Riddhi Siddhi Impex for ductile iron couplings that withstand coastal humidity, saline water, and industrial wastewater. The company ensures products are internally and externally coated to prevent rust and degradation in coastal and humid climates.
Ductile Iron Couplings – Technical Details
1. Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Ductile Iron Couplings |
| Material | Ductile Iron (S.G. Iron) |
| Coating | Fusion Bonded Epoxy (FBE) or Bituminous Paint |
| Working Pressure | Up to 16 bar (PN10 / PN16) |
| Size Range | DN 80 mm to DN 1000 mm |
| Standards | IS 9523, ISO 2531, EN 14525, AWWA C219 |
| Connection Type | Mechanical Coupling / Flanged Coupling |
| Application | Water supply, drainage, sewerage, fire fighting pipelines |
2. Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 3.5 – 4.0% |
| Silicon (Si) | 2.2 – 2.8% |
| Manganese (Mn) | 0.2 – 0.5% |
| Phosphorus (P) | ≤ 0.06% |
| Sulfur (S) | ≤ 0.03% |
| Magnesium (Mg) | 0.03 – 0.05% |
3. Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 420 MPa |
| Yield Strength | ≥ 300 MPa |
| Elongation | ≥ 10% |
| Hardness | 170 – 230 HB |
4. Dimension Chart (Sample)
| Nominal Size (DN) | Pipe OD Range (mm) | Overall Length (mm) | Bolt Torque (Nm) |
|---|---|---|---|
| 80 | 98 – 108 | 135 | 50 |
| 100 | 118 – 130 | 160 | 60 |
| 150 | 170 – 182 | 180 | 65 |
| 200 | 222 – 234 | 200 | 70 |
| 250 | 274 – 286 | 220 | 80 |
5. Equivalent Grades & Standards
| Standard | Grade | Region |
|---|---|---|
| ISO 1083 | EN-GJS-500-7 | International |
| ASTM A536 | 65-45-12 | USA |
| EN 1563 | GJS 450-10 | Europe |
| IS 1865 | S.G. Iron Grade 500/7 | India |
6. Other Types of Ductile Iron Couplings
| Type | Application |
|---|---|
| Straight Coupling | Join two straight pipe sections |
| Flanged Adaptors | Connect flanged pipe to plain end pipe |
| Universal Couplings | Accommodate pipe OD tolerance range |
| End Restraint Couplings | Used in high-pressure or thrust-prone areas |
| Dismantling Joints | Facilitate easy disassembly of pipelines |
In summary, Riddhi Siddhi Impex has established itself as a reliable Ductile Iron Couplings Domastic supplier, offering high-quality, cost-effective, and easy-to-install jointing solutions across India. With a wide product portfolio, quick logistics, and engineering expertise, the company continues to be a trusted name for pipeline accessories in both government and private infrastructure projects.
Frequently Asked Questions (FAQs)
- Q1: What is the purpose of ductile iron couplings?
- Ductile iron couplings are used to join two pipe sections, providing flexibility, strength, and leak-proof connections without the need for welding.
- Q2: Are ductile iron couplings corrosion-resistant?
- Yes, they are coated with Fusion Bonded Epoxy (FBE) or bitumen to resist corrosion and environmental damage.
- Q3: What pressure ratings are available?
- Most couplings are rated for PN10, PN16, and some models up to PN25, depending on application and design specifications.
- Q4: Can they be used for underground installations?
- Yes, with appropriate coatings, they are suitable for underground and submerged pipeline systems.
Cities we have supplied our products to
Mumbai, Ductile Iron Couplings Suplier in Delhi, Ductile Iron Couplings Suplier in Bengaluru(Bangalore), Ductile Iron Couplings Suplier in Hyderabad, Ductile Iron Couplings Suplier in Chennai, Ductile Iron Couplings Suplier in Kolkata, Ductile Iron Couplings Suplier in Pune, Ductile Iron Couplings Suplier in Ahmedabad, Ductile Iron Couplings Suplier in Surat, Ductile Iron Couplings Suplier in Vadodara, Ductile Iron Couplings Suplier in Rajkot, Ductile Iron Couplings Suplier in Nagpur, Ductile Iron Couplings Suplier in Indore, Ductile Iron Couplings Suplier in Bhopal, Ductile Iron Couplings Suplier in Jaipur, Ductile Iron Couplings Suplier in Kanpur, Ductile Iron Couplings Suplier in Lucknow, Ductile Iron Couplings Suplier in Agra, Ductile Iron Couplings Suplier in Varanasi, Ductile Iron Couplings Suplier in Amritsar, Ductile Iron Couplings Suplier in Chandigarh, Ductile Iron Couplings Suplier in Mysuru (Mysore), Ductile Iron Couplings Suplier in Udaipur, Ductile Iron Couplings Suplier in Jodhpur, Ductile Iron Couplings Suplier in Visakhapatnam, Ductile Iron Couplings Suplier in Coimbatore, Ductile Iron Couplings Suplier in Madurai, Ductile Iron Couplings Suplier in Kochi, Ductile Iron Couplings Suplier in Thiruvananthapuram, Ductile Iron Couplings Suplier in Mangalore, Ductile Iron Couplings Suplier in Nagpur, Ductile Iron Couplings Suplier in Nashik, Ductile Iron Couplings Suplier in Kolhapur, Ductile Iron Couplings Suplier in Chandrapur, Ductile Iron Couplings Suplier in Akola, Ductile Iron Couplings Suplier in Vilayat, Ductile Iron Couplings Suplier in Somnath, Ductile Iron Couplings Suplier in Dahej, Ductile Iron Couplings Suplier in Vadodara, Ductile Iron Couplings Suplier in Narmada, Ductile Iron Couplings Suplier in Surat, Ductile Iron Couplings Suplier in Ankleshwar, Ductile Iron Couplings Suplier in Navsari, Ductile Iron Couplings Suplier in Valsad, Ductile Iron Couplings Suplier in Rajpipla, Ductile Iron Couplings Suplier in Veraval, Ductile Iron Couplings Suplier inKovvur, Ductile Iron Couplings Suplier in Andra Pradesh, Ductile Iron Couplings Suplier inKarwar, Ductile Iron Couplings Suplier in Karnataka, Ductile Iron Couplings Suplier inKosamba, Ductile Iron Couplings Suplier in Gujarat, Ductile Iron Couplings Suplier in Vishakapatnam, Ductile Iron Couplings Suplier in Shahad, Ductile Iron Couplings Suplier in Pondicherry, Ductile Iron Couplings Suplier in Kakkinada, Ductile Iron Couplings Suplier in Andra Pradesh, Ductile Iron Couplings Suplier in Nagda, Ductile Iron Couplings Suplier in Madhya Pradesh, Ductile Iron Couplings Suplier inHarihar, Ductile Iron Couplings Suplier in Karnataka, Ductile Iron Couplings Suplier in Tuticorin, Ductile Iron Couplings Suplier in Tamilnadu, Ductile Iron Couplings Suplier in Trivandrum, Ductile Iron Couplings Suplier in KeralaKurnool, Ductile Iron Couplings Suplier in Andra Pradesh, Ductile Iron Couplings Suplier in Rourkela, Ductile Iron Couplings Suplier in Hindupur, Ductile Iron Couplings Suplier in Orissa, Ductile Iron Couplings Suplier in Renukoot, Ductile Iron Couplings Suplier in Uttar Pradesh, Ductile Iron Couplings Suplier in Morbi, Ductile Iron Couplings Suplier in Kerala , Ductile Iron Couplings Suplier inHimachal, Ductile Iron Couplings Suplier in Dehradun, Ductile Iron Couplings Suplier in Visakhapatnam , Ductile Iron Couplings Suplier inJamnagar, Ductile Iron Couplings Suplier in Kozhikode, Ductile Iron Couplings Suplier in Pondicherry, Ductile Iron Couplings Suplier in Ludhiana, Ductile Iron Couplings Suplier inLatur, Ductile Iron Couplings Suplier in Nanded, Ductile Iron Couplings Suplier in Vijaywada, Ductile Iron Couplings Suplier in Alwar, Ductile Iron Couplings Suplier in Bareilly, Ductile Iron Couplings Suplier in Bikaner, Ductile Iron Couplings Suplier in Andheri, Ductile Iron Couplings Suplier in Marol, Ductile Iron Couplings Suplier in Taloja, Ductile Iron Couplings Suplier in Turbhe, Ductile Iron Couplings Suplier in TTC (Thane-Belapur), Ductile Iron Couplings Suplier in Pimpri-Chinchwad, Ductile Iron Couplings Suplier in Chakan, Ductile Iron Couplings Suplier in Talegaon, Ductile Iron Couplings Suplier in Ranjangaon, Ductile Iron Couplings Suplier in Jejuri, Ductile Iron Couplings Suplier in Baramati, Ductile Iron Couplings Suplier in Satpur, Ductile Iron Couplings Suplier in Ambad, Ductile Iron Couplings Suplier in Sinnar, Ductile Iron Couplings Suplier in Igatpuri, Ductile Iron Couplings Suplier in Shendra, Ductile Iron Couplings Suplier in Waluj, Ductile Iron Couplings Suplier in Chikalthana, Ductile Iron Couplings Suplier in Paithan, Ductile Iron Couplings Suplier in Hingna, Ductile Iron Couplings Suplier in Butibori, Ductile Iron Couplings Suplier in Kalmeshwar, Ductile Iron Couplings Suplier in Umred, Ductile Iron Couplings Suplier in Shiroli, Ductile Iron Couplings Suplier in Kagal, Ductile Iron Couplings Suplier in Gokul Shirgaon, Ductile Iron Couplings Suplier in Akkalkot, Ductile Iron Couplings Suplier in Chincholi, Ductile Iron Couplings Suplier in Lote-Parshuram, Ductile Iron Couplings Suplier in Dombivli, Ductile Iron Couplings Suplier in Ambernath, Ductile Iron Couplings Suplier in Mahad, Ductile Iron Couplings Suplier in Roha, Ductile Iron Couplings Suplier in Palghar, Ductile Iron Couplings Suplier in Tarapur (Boisar) and for inder national
Countries we have supplied our products to
South Korea, Ductile Iron Couplings Exporter in Africa, Ductile Iron Couplings Exporter in Sri Lanka, Ductile Iron Couplings Exporter in Syria, Ductile Iron Couplings Exporter in Taiwan, Ductile Iron Couplings Exporter in Tanzania, Ductile Iron Couplings Exporter in Tajikistan, Ductile Iron Couplings Exporter in Thailand, Ductile Iron Couplings Exporter in Turkey, Ductile Iron Couplings Exporter in Turkmenistan, Ductile Iron Couplings Exporter in Ukraine, Ductile Iron Couplings Exporter in United Kingdom, Ductile Iron Couplings Exporter in Arab Emirates (UAE), Ductile Iron Couplings Exporter in Uzbekistan, Ductile Iron Couplings Exporter in Vietnam, Ductile Iron Couplings Exporter in Yemen, Ductile Iron Couplings Exporter in France, Ductile Iron Couplings Exporter in Germany, Ductile Iron Couplings Exporter in Greece, Ductile Iron Couplings Exporter in Oman, Ductile Iron Couplings Exporter in Colombia, Ductile Iron Couplings Exporter in Portugal, Ductile Iron Couplings Exporter in Japan, Ductile Iron Couplings Exporter in Lithuania, Ductile Iron Couplings Exporter in Macau, Ductile Iron Couplings Exporter in Mongolia, Ductile Iron Couplings Exporter in Qatar, Ductile Iron Couplings Exporter in Ireland, Ductile Iron Couplings Exporter in Malaysia, Ductile Iron Couplings Exporter in Bangladesh, Ductile Iron Couplings Exporter in Russia, Ductile Iron Couplings Exporter in Iran, Ductile Iron Couplings Exporter in Jordan, Ductile Iron Couplings Exporter in Singapore, Ductile Iron Couplings Exporter in Bulgaria, Ductile Iron Couplings Exporter in Poland, Ductile Iron Couplings Exporter in Denmark, Ductile Iron Couplings Exporter in Nigeria, Ductile Iron Couplings Exporter in Gambia, Ductile Iron Couplings Exporter in Indonesia, Ductile Iron Couplings Exporter in Finland, Ductile Iron Couplings Exporter in Argentina, Ductile Iron Couplings Exporter in Chile, Ductile Iron Couplings Exporter in Spain, Ductile Iron Couplings Exporter in Peru, Ductile Iron Couplings Exporter in Kuwait, Ductile Iron Couplings Exporter in India, Ductile Iron Couplings Exporter in Saudi Arabia, Ductile Iron Couplings Exporter in Slovakia, Ductile Iron Couplings Exporter in Slovenia, Ductile Iron Couplings Exporter in Sweden, Ductile Iron Couplings Exporter in Switzerland, Ductile Iron Couplings Exporter in Bahrain, Ductile Iron Couplings Exporter in the Netherlands, Ductile Iron Couplings Exporter in United Kingdom, Ductile Iron Couplings Exporter in Mexico, Ductile Iron Couplings Exporter in Bulgaria, Ductile Iron Couplings Exporter in Spain, Ductile Iron Couplings Exporter in France, Ductile Iron Couplings Exporter in Germany, Ductile Iron Couplings Exporter in Colombia, Ductile Iron Couplings Exporter in Brazil, Ductile Iron Couplings Exporter in Saudi Arabia, Ductile Iron Couplings Exporter in Iraq, Ductile Iron Couplings Exporter in Iran, Ductile Iron Couplings Exporter in Sudan, Ductile Iron Couplings Exporter in Libya, Ductile Iron Couplings Exporter in Tanzania, Ductile Iron Couplings Exporter in Nigeria, Ductile Iron Couplings Exporter in New Zealand, Ductile Iron Couplings Exporter in Paris, Ductile Iron Couplings Exporter in Switzerland
