Manufacturer, Supplier & Exporter of Spool Type Rubber Expansion Joint
Riddhi Siddhi Impex is a reputed manufacturer and domestic supplier of Spool Type Rubber Expansion Joints in India, serving a wide range of industries that require reliable solutions for pipe movement and vibration absorption. These joints are essential components in piping systems where flexibility and noise reduction are critical. Designed with precision and built from high-quality elastomers such as EPDM, Neoprene, Natural Rubber, and Nitrile, the Spool Type Rubber Expansion Joint offers excellent performance in diverse operating environments.
The Spool Type Rubber Expansion Joint features a full-face flanged design and a spool-style body, which allows for greater movement absorption, vibration isolation, and stress relief in pipework systems. It is particularly suited for installations where space constraints or frequent pressure changes occur. These joints are reinforced with multiple layers of synthetic fabric and steel wire, ensuring strength, flexibility, and a long service life. They are capable of handling angular, axial, and lateral movements caused by thermal expansion, equipment vibrations, or misalignments..
Riddhi Siddhi Impex manufactures these rubber expansion joints in a variety of sizes and pressure ratings to suit specific industrial needs. The products comply with international standards such as IS 5382, BS EN 681, and ASTM D2000, ensuring durability and consistent quality. The spool-type design enhances performance under high-pressure and high-vibration conditions, which is why it's widely used in power plants, HVAC systems, sewage treatment, chemical plants, and marine pipelines.
As a leading Spool Type Rubber Expansion Joint Domastic supplier, Riddhi Siddhi Impex supplies its products across major Indian industrial cities such as Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, and Ahmedabad. The company also caters to the growing demand in secondary cities like Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, and Lucknow, offering consistent delivery and after-sales support.
Riddhi Siddhi Impex has built a wide distribution network across India to ensure timely supply of spool-type joints to cities like Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, and Mangalore. Industrial zones in Dahej, Vilayat, Ankleshwar, Kolhapur, Narmada, Navsari, Valsad, Chandrapur, Akola, and Rajpipla also benefit from their reliable logistics and dedicated customer service./p>
Spool Type Rubber Expansion Joint – Technical Specifications
General Specification
| Parameter | Details |
|---|---|
| Product Name | Spool Type Rubber Expansion Joint |
| Manufacturer | Riddhi Siddhi Impex |
| Material | EPDM, Neoprene, Nitrile, Natural Rubber |
| Flange Type | Fixed or Rotatable Flanges (MS / SS / Galvanized) |
| Working Pressure | Up to 16 Bar |
| Temperature Range | -20°C to +120°C |
| Application | HVAC, Chemical, Power, Water, Marine, Oil & Gas |
Chemical Composition
| Rubber Type | Major Constituents |
|---|---|
| EPDM | Ethylene Propylene Diene, Fillers, Sulfur, Activators |
| Neoprene | Polychloroprene, Carbon Black, Zinc Oxide |
| Nitrile (NBR) | Acrylonitrile Butadiene Copolymer, Plasticizers |
| Natural Rubber (NR) | Polyisoprene, Sulfur, Antioxidants |
Mechanical Properties
| Property | Typical Range |
|---|---|
| Tensile Strength | 10 – 18 MPa |
| Elongation at Break | 300 – 500% |
| Hardness (Shore A) | 45 – 75 |
| Compression Set | < 25% (22 hrs @ 70°C) |
| Fatigue Resistance | High – Suitable for vibration isolation |
Standard Dimension Chart
| Nominal Bore (NB) | Face-to-Face Length (mm) | Axial Movement (mm) | Lateral Movement (mm) | Angular Movement (°) |
|---|---|---|---|---|
| 50 | 150 | ±15 | ±12 | 10° |
| 100 | 200 | ±18 | ±15 | 12° |
| 150 | 230 | ±20 | ±18 | 15° |
| 300 | 300 | ±25 | ±22 | 15° |
| 600 | 350 | ±35 | ±30 | 10° |
Equivalent Rubber Grades
| Standard | Grade |
|---|---|
| IS (India) | IS 5382 |
| ASTM | D2000 |
| DIN | DIN 4809 |
| BS / EN | EN 681-1 |
Other Types of Rubber Expansion Joints
| Type | Description |
|---|---|
| Single Arch Rubber Expansion Joint | Basic type for minimal movement and low vibration |
| Multiple Arch Rubber Expansion Joint | For higher movement capacity and vibration damping |
| Tied Rubber Expansion Joint | Fitted with tie rods to limit axial movement |
| Threaded Rubber Joint | Ideal for small diameter piping systems |
The Spool Type Rubber Expansion Joint is commonly used in systems transporting water, wastewater, slurries, chemicals, and even gases. Its ability to absorb pressure shocks, water hammer effects, and thermal expansion makes it essential in dynamic systems. Moreover, optional features such as control rods, external covers, and stainless steel flanges can be customized based on the operational environment and project requirements.
Frequently Asked Questions (FAQs) – Spool Type Rubber Expansion Joint
- 1. What is a Spool Type Rubber Expansion Joint?
- It is a flexible rubber connector designed to absorb pipe movement, vibration, and thermal expansion. It features a full spool body with flanged ends.
- 2. Where can these joints be used?
- Common applications include HVAC systems, wastewater treatment, refineries, power generation plants, and chemical industries.
- 3. What materials are available for spool-type joints?
- Available materials include EPDM, Neoprene, Nitrile (NBR), and Natural Rubber, depending on the operating fluid and temperature.
- 4. Can Riddhi Siddhi Impex supply domestically across India?
- Yes. Riddhi Siddhi Impex supplies to all major cities including Mumbai, Delhi, Bengaluru, Chennai, Hyderabad, Ahmedabad, Surat, Vadodara, Rajkot, and more.
Cities we have supplied our products to
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Countries we have supplied our products to
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