Manufacturer, Supplier & Exporter of Ductile Iron Check Valve
The Ductile Iron Check Valve is an essential component designed to prevent backflow and ensure unidirectional fluid movement in pipelines. Manufactured by Riddhi Siddhi Impex, a leading valve manufacturer and supplier, these valves are constructed using premium ductile iron material, which provides exceptional strength, toughness, and corrosion resistance. Ductile iron, with its superior mechanical properties compared to traditional cast iron, enables these check valves to perform efficiently under high pressure and variable flow conditions, making them ideal for a variety of industrial and municipal applications
Riddhi Siddhi Impex specializes in producing a wide range of ductile iron check valves, including swing check valves, lift check valves, and wafer check valves. These valves are engineered for easy installation and low maintenance, with designs that minimize water hammer and pressure loss. The resilient sealing mechanisms and precision-machined components ensure tight shutoff and long operational life, essential for critical systems such as water treatment plants, power generation, and chemical processing.
As a trusted domestic supplier, Riddhi Siddhi Impex has established an extensive presence across India’s key industrial and metropolitan hubs, supplying valves to cities like Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, and Surat. These regions benefit greatly from durable ductile iron check valves to maintain efficient and safe fluid control in large-scale infrastructure and industrial projects.
Further expanding its reach, Riddhi Siddhi Impex caters to growing industrial markets in cities like Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, and Lucknow. These areas host numerous manufacturing units, chemical plants, and municipal water systems where reliable backflow prevention is crucial. The company’s valves comply with national and international standards, ensuring seamless integration with existing pipeline systems and guaranteeing safety.
Northern and central Indian cities such as Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, and Madurai also rely on Riddhi Siddhi Impex for their ductile iron check valve requirements. The valves’ ability to withstand harsh environmental conditions, resist corrosion, and provide consistent performance make them the preferred choice in these regions, where industrial activities and infrastructure development continue to accelerate.
Ductile Iron Check Valve - Specifications
| Specification | Details |
|---|---|
| Material | Ductile Iron (ASTM A536 Grade 65-45-12) |
| Type | Swing Check, Lift Check, Wafer Check Valve |
| Size Range | 50mm to 600mm (2" to 24") |
| Pressure Rating | PN10, PN16, ANSI Class 150 |
| End Connection | Flanged, Wafer |
| Seat Material | EPDM, NBR, Metal Seat |
| Application | Water, Oil, Gas, Chemicals |
| Operation | Automatic (Flow-driven) |
Chemical Composition of Ductile Iron (ASTM A536)
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 3.30 - 3.80 |
| Silicon (Si) | 2.10 - 3.00 |
| Manganese (Mn) | 0.10 - 0.40 |
| Phosphorus (P) | Max 0.03 |
| Sulfur (S) | Max 0.03 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | Min 65,000 psi (450 MPa) |
| Yield Strength | Min 45,000 psi (310 MPa) |
| Elongation | Min 12% |
| Hardness | 187-241 HB (Brinell) |
Dimension Chart (Flanged Check Valve - PN16)
| Size (DN) | Face to Face (L) mm | Overall Height (H) mm | Flange Diameter (D) mm | Number of Bolt Holes | Bolt Circle Diameter (BCD) mm |
|---|---|---|---|---|---|
| 50 | 115 | 140 | 165 | 4 | 125 |
| 80 | 130 | 160 | 200 | 8 | 160 |
| 100 | 140 | 180 | 220 | 8 | 180 |
| 150 | 165 | 220 | 285 | 8 | 240 |
| 200 | 180 | 250 | 340 | 12 | 295 |
Equivalent Grades
| Standard | Grade |
|---|---|
| ASTM | A536 Grade 65-45-12 |
| EN | EN-GJS-450-10 |
| ISO | ISO 1083 Grade 450-10 |
Equivalent Standards
| Standard Organization | Specification |
|---|---|
| IS (Indian Standard) | 13095 |
| BS (British Standard) | 5155 |
| API (American Petroleum Institute) | 6D |
| ISO (International Standard Organization) | 14313 |
Other Types of Check Valves
| Type | Description |
|---|---|
| Swing Check Valve | Uses a hinged disc to allow flow and prevent backflow |
| Lift Check Valve | Disc moves vertically, suited for high-pressure applications |
| Wafer Check Valve | Compact design for space-saving installations |
| Dual Plate Check Valve | Two spring-loaded plates offering low pressure drop |
Western India, particularly Maharashtra and Gujarat, sees strong distribution from Riddhi Siddhi Impex due to their operational base in Mumbai and presence in Vadodara. Cities like Nashik, Kolhapur, Akola, Chandrapur, and Nagpur are part of their routine dispatch zones. Additionally, industrial zones like Vilayat, Dahej, and Ankleshwar in Gujarat are key destinations for their products, given the high concentration of chemical and process industries there.
Frequently Asked Questions (FAQs)
- Q1: What are the main applications of ductile iron check valves?
- A1: They are widely used in water supply, wastewater treatment, oil and gas pipelines, HVAC systems, and chemical industries to prevent backflow.
- Q2: What pressure ratings are available for these valves?
- A2: Typically available in PN10, PN16, and ANSI Class 150 pressure ratings suitable for various industrial applications.
- Q3: Which Indian cities does Riddhi Siddhi Impex supply ductile iron check valves to?
- A3: We supply valves to major cities including Mumbai, Delhi, Bengaluru, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, and many more.
- Q4: Can you customize valve sizes and connection types?
- A4: Yes, we provide customized valve sizes, pressure ratings, and connection options to meet specific project requirements.
Cities we have supplied our products to
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Countries we have supplied our products to
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