Medical Gas Copper Pipe is a specialized pipe fitting used extensively in water supply, sewage, and industrial piping systems where one end of the pipe is plain (spigot) and the other end is flanged for bolted connections. This type of fitting allows for flexible connectivity between flanged components like valves, pumps, or other flanged pipes, while maintaining the ease of insertion of the spigot end into sockets or couplers. These components are designed to handle high internal pressure and provide robust leak-proof connections in both underground and above-ground piping layouts..
Riddhi Siddhi Impex is a recognized manufacturer and supplier of a wide range of industrial piping products, including ductile iron components, across India. With expertise in pipe fittings, flanges, and customized assemblies, the company ensures all its products are manufactured in accordance with relevant Indian and international standards like IS 8329, ISO 2531, and EN 545. The Medical Gas Copper Pipe products from Riddhi Siddhi Impex are designed to meet the highest quality and durability requirements for water supply, wastewater management, and fire-fighting systems.
Ductile iron, the base material for these fittings, offers excellent tensile strength, elongation, and impact resistance compared to traditional cast iron. The addition of spheroidal graphite in the iron matrix ensures higher flexibility and reduced risk of brittle failure under load or pressure fluctuations. The flanged end of the spigot fitting is precision-drilled and faced to align with standard flange patterns, while the spigot end is dimensioned to fit socket or coupling joints with ease, making them ideal for modular piping systems.
Flanged spigot pipes are often coated internally with cement mortar or epoxy to prevent corrosion and preserve water quality. The exterior is typically protected using bitumen, zinc coating, or fusion bonded epoxy to withstand soil chemicals and environmental exposure. These coatings enhance longevity and reduce maintenance cycles, especially in aggressive soil or industrial conditions.
One of the major advantages of Medical Gas Copper Pipe pipes is their ability to create secure, maintenance-friendly connections. The flanged joint allows for easy assembly and disassembly during routine inspection, valve installation, or replacement. This becomes particularly useful in plant environments, pumping stations, and critical installations where quick access is essential. The spigot side also provides flexibility in adapting to existing socket-based systems without the need for full-flange assemblies.
| Property | Details |
|---|---|
| Material | Ductile Iron (DI) |
| Size Range | DN 80 to DN 1000 (custom sizes on request) |
| Coating | Internal: Cement Mortar/Epoxy | External: Bitumen/Zinc |
| Standards | IS 8329, ISO 2531, EN 545 |
| Joint Type | One end Flanged, One end Spigot |
| Pressure Ratings | PN 10, PN 16, PN 25 |
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 3.5 – 3.8% |
| Silicon (Si) | 2.4 – 2.8% |
| Manganese (Mn) | 0.2 – 0.5% |
| Magnesium (Mg) | 0.03 – 0.06% |
| Phosphorus (P) | Max 0.08% |
| Sulphur (S) | Max 0.02% |
| Property | Value |
|---|---|
| Tensile Strength | Minimum 420 MPa |
| Yield Strength | Minimum 300 MPa |
| Elongation | ≥ 10% |
| Hardness | 130–180 HB |
| DN (mm) | Outer Diameter (mm) | Flange Thickness (mm) | No. of Bolt Holes | Bolt Circle Dia (mm) |
|---|---|---|---|---|
| 80 | 98 | 20 | 4 | 160 |
| 100 | 118 | 22 | 4 | 180 |
| 150 | 170 | 24 | 8 | 240 |
| 200 | 222 | 26 | 8 | 295 |
| 250 | 274 | 28 | 12 | 350 |
| Standard | Equivalent Grade |
|---|---|
| IS 8329 | SGI 500/7 |
| ISO 2531 | EN-GJS-500-7 |
| EN 545 | EN-GJS-450-10 |
| Type | Description |
|---|---|
| Double Flanged Pipe | Flanged at both ends for valve/pump connection |
| Socket & Spigot Pipe | Socket on one end, spigot on the other |
| Mechanical Joint Fittings | For restrained joint systems |
| Epoxy Coated DI Pipe | Internal & external epoxy for corrosion resistance |
| Bitumen Coated DI Pipe | Standard black bitumen for external protection |
With India’s growing infrastructure needs, especially in water and wastewater sectors, Riddhi Siddhi Impex continues to be a reliable domestic supplier of Medical Gas Copper Pipe products, helping municipalities, industrial developers, and EPC contractors source quality fittings across the country. Their commitment to product customization, timely delivery, and adherence to global quality benchmarks positions them as a preferred vendor for many government and private infrastructure projects.
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