Pressure Balanced Expansion Bellows are critical components designed to absorb thermal expansion and contraction in piping systems. Manufactured from high-grade alloy steel, these bellows provide flexibility and stability in various applications. Ferro Fittings and Alloys, located in Mumbai, India, specializes in the production and export of these vital fittings, ensuring high-quality standards and reliable performance in industrial settings.
Our pressure balanced expansion bellows conform to rigorous standards, including ASTM, ASME, DIN, and JIS specifications. They are available in size ranges from DN 25 to DN 600 (NPS 1 to NPS 24) and can handle pressure ratings from Class 150 to 2500 or PN10 to PN400. These bellows are designed to operate effectively across a temperature range of -196°C to 600°C, with various end connections such as flanged, welded, and threaded options to suit your specific requirements.
These expansion bellows find extensive applications across several industries, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, and Shipbuilding. They are essential in projects such as EPC and LSTK contracts, as well as maintenance activities in regions like the UAE, Saudi Arabia, Qatar, the UK, and the USA. Their versatility allows for seamless integration into a wide array of piping systems, ensuring operational efficiency and safety.
At Ferro Fittings and Alloys, we are committed to quality, reflected in our ISO 9001:2015 certification and the availability of EN 10204 3.1 / 3.2 Mill Test Certificates. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), and UT, ensuring the highest levels of reliability. Additionally, our products comply with NACE MR 0175 / ISO 15156 standards for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings and Alloys means benefiting from a competitive lead time of just 2–4 weeks, with no minimum order quantity restrictions and excellent stock availability. We offer shipping terms such as FOB Mumbai, CIF, and CFR, along with full export documentation for a seamless procurement process. For inquiries, please contact us at +91-86550-39959, via WhatsApp at wa.me/+918655039959, or email us at sales@ferrofittings.com.
Trusted manufacturer & exporter of Flanges, Pipe Fittings and Valves in 30+ countries.
1–4 weeks depending on size, grade & quantity.
Urgent and bulk orders handled efficiently.FOB, CIF, CFR, EXW, DDP (Incoterms 2020).
Door-to-port and door-to-door delivery available.Sea Freight / Air Cargo / Express Courier.
Complete export documentation & tracking support.Trusted by EPC contractors, procurement teams, and global industrial buyers across multiple countries for certified supply and reliable delivery.
Direct supply with bulk stock availability to reduce your overall project cost.
ISO 9001, ISO 14001, ISO 45001, PED certified with full test certificates.
Safe, sea-worthy packaging ensuring damage-free international delivery.
Selecting the right partner for Pressure Balanced Expansion Bellows is critical for ensuring product quality, long-term performance, and successful project execution. As a trusted manufacturer and exporter, Ferro Fittings and Alloys delivers high-quality materials meeting international standards and global industry requirements.
Understand the key differences between local suppliers, trading companies, and professional manufacturers & exporters like Ferro Fittings and Alloys.
| Evaluation Factor | Small Local Suppliers | Trading Companies | Ferro Fittings and Alloys |
|---|---|---|---|
| Manufacturing Control | Limited or outsourced production | Dependent on third-party mills | Direct manufacturing with strict quality control |
| Standards Compliance | Basic or local standards | Varies depending on supplier | ASTM, ASME, ANSI, EN, ISO certified products |
| Inspection & Certification | Limited documentation | Inconsistent certification | MTC, TPI, and full export documentation provided |
| Export Capability | Mostly domestic supply | Moderate export handling | Global exports with complete logistics support |
| Delivery Reliability | Uncertain timelines | Depends on sourcing chain | Consistent lead times with ready stock availability |
| Project Risk Level | High | Medium | Low |
Contact us for a quick quote or to request a free sample MTC for our Pressure Balanced Expansion Bellows. Trust in our ISO 9001:2015 certified products, backed by our extensive testing and export experience to over 50 countries.
| Product | Composition | Standard | Application |
|---|---|---|---|
| Pressure Balanced Expansion Bellows | Stainless Steel (Grade 304/316), Carbon Steel | ASTM A312, ASME B31.3, EN 13445 | Used in piping systems to absorb thermal expansion and vibrations in refineries and power plants |
| Pressure Balanced Expansion Bellows | Alloy Steel (Grade 321, 347) | ASTM A240, ASME B16.34 | Ideal for high-temperature applications in chemical processing and oil & gas industries |
| Pressure Balanced Expansion Bellows | Nickel Alloys (Inconel 600) | ASTM B167, EN 10204 3.1 | Suitable for extreme environments in aerospace and marine applications |
Pressure Balanced Expansion Bellows are engineered to provide exceptional flexibility and durability in various industrial applications. With dimensions typically ranging from 2 inches to 36 inches in diameter and capable of withstanding pressures up to 1500 psi and temperatures up to 1000°F, these bellows are designed to mitigate stress on piping systems. In-house testing methods, including PMI, Hydrostatic, and Impact tests, ensure compliance with industry standards such as ISO 9001:2015 and PED 97/23/EC. Our products are available for immediate delivery with no minimum order quantity, serving clients across over 50 countries including the UAE, USA, and Germany. Contact us for a quick quote or request a free sample MTC to experience our quality first-hand.
| Material | Stainless Steel (AISI 321 or AISI 316L) |
|---|---|
| Grades | 321, 316L |
| Standard | ASME B31.3, API 605 |
| Size Range | 2" to 48" (50 mm to 1200 mm) |
| Pressure Rating | Up to 1500 psi (103 bar) |
| Surface Finish | Ra 0.8 µm (32 µin) or better |
| End Connection | Welded, Flanged, or Threaded |
| Form | Axial, Lateral, Angular |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| 321 / UNS S32100 | Austenitic Stainless Steel | Excellent corrosion resistance and high-temperature strength | High-temperature piping systems in chemical processing |
| 316L / UNS S31603 | Austenitic Stainless Steel | Low carbon content for improved weldability and resistance to pitting | Marine applications and food processing |
| Inconel 600 / UNS N06600 | Nickel-Chromium Alloy | Outstanding oxidation resistance and high strength at elevated temperatures | High-temperature industrial applications and nuclear reactors |
| Monel 400 / UNS N04400 | Nickel-Copper Alloy | Excellent resistance to seawater and steam at high temperatures | Oil and gas industry, particularly in offshore applications |
| Alloy 825 / UNS N08825 | Nickel-Iron-Chromium Alloy | Good resistance to stress corrosion cracking and reducing environments | Chemical processing and pollution control equipment |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 25 | 150 | 3.2 mm | 300 mm |
| 50 | 150 | 3.6 mm | 400 mm |
| 80 | 150 | 4.0 mm | 500 mm |
| 100 | 150 | 4.5 mm | 600 mm |
| 150 | 150 | 5.0 mm | 800 mm |
| 200 | 150 | 5.6 mm | 1000 mm |
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.08 | 0.15 |
| Manganese (Mn) | 0.30 | 0.60 |
| Silicon (Si) | 0.20 | 0.50 |
| Chromium (Cr) | 16.00 | 18.00 |
| Nickel (Ni) | 8.00 | 10.00 |
| Molybdenum (Mo) | 2.00 | 3.00 |
| Iron (Fe) | Balance | Balance |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Design Pressure | 25 | MPa | ASME B31.3 |
| Maximum Operating Pressure | 20 | MPa | ASME B31.3 |
| Design Temperature | 550 | °C | ASME B31.3 |
| Elongation at Break | 15 | % | ASTM E8/E8M |
| Fatigue Life | 10,000 | cycles | Manufacturer Test |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7850 kg/m³ | 490 lb/ft³ |
| Melting Point | 1450 °C | 2642 °F |
| Specific Heat | 500 J/(kg·K) | 0.12 BTU/(lb·°F) |
| Thermal Conductivity | 50 W/(m·K) | 34.5 BTU/(hr·ft·°F) |
| Electrical Resistivity | 0.000001 Ω·m | 0.0000001 Ω·ft |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| ASTM A312 | TP304 | S30400 | 1.4301 | BS 1449 |
| ASTM A312 | TP316 | S31600 | 1.4401 | BS 1449 |
| ASTM A240 | 304L | S30403 | 1.4306 | BS 1449 |
At Ferro Fittings and Alloys, we ensure that all raw materials for Pressure Balanced Expansion Bellows undergo rigorous inspection. We utilize materials compliant with ASTM A240, ASME SA-240, and EN 10088 specifications. Each batch is verified for chemical composition using Positive Material Identification (PMI) tests to guarantee compliance with international standards.
The forming and fabrication of Pressure Balanced Expansion Bellows are executed using advanced techniques. We employ processes such as deep drawing and hydroforming to create bellows that are designed to absorb thermal expansion and vibrations. The standard dimensions for these bellows range from 100mm to 1000mm in diameter, and they can handle pressures up to 25 bar. Our skilled technicians ensure that all components meet the tolerances specified in ASME B31.3 and EN 13480.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050 | Air | Enhance corrosion resistance and relieve stress |
| Quenching | 850 | Water | Increase hardness and strength |
Quality inspection is paramount at Ferro Fittings and Alloys. Each Pressure Balanced Expansion Bellow undergoes a series of tests including hydrostatic testing, Charpy impact testing, and non-destructive testing methods such as Ultrasonic Testing (UT) and Magnetic Particle Testing (MPT). We provide Material Test Certificates (MTC) as per EN 10204 3.1 and 3.2, ensuring our products meet the highest standards. With our ISO 9001:2015 certification, you can trust that our products are manufactured with precision and reliability. Contact us for a quick quote or request a free sample MTC.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS316L | DN 50 / 2 inch | $15.00 | ₹1,250 |
| SS316L | DN 100 / 4 inch | $14.50 | ₹1,210 |
| SS316L | DN 150 / 6 inch | $14.00 | ₹1,170 |
| SS316L | DN 200 / 8 inch | $13.50 | ₹1,130 |
Note: Prices are indicative and subject to change based on quantity, raw material costs, and delivery terms. Contact us for the latest quotation.
Our multiple locations and strong logistics network make it easy for customers across India to source Pressure Balanced Expansion Bellows from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Pressure Balanced Expansion Bellows to 50+ countries worldwide. We handle all export documentation, sea-worthy packaging, and logistics to ensure on-time, damage-free delivery anywhere in the world.
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Ferro Fittings and Alloys is a leading ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality pipe fittings, valves, flanges, round bars, sheets, plates, pipes, tubes, and expansion bellows. Based in Mumbai, India, we serve industrial sectors including oil & gas, petrochemical, power generation, pharmaceuticals, marine, and construction.
We supply a comprehensive range of grades — Stainless Steel, Duplex & Super Duplex, Carbon Steel, Alloy Steel, Inconel, Hastelloy, Monel, Titanium, Nickel, and Nimonic Alloys — to customers in 50+ countries. Our products are manufactured as per ASTM, ASME, ANSI, MSS, BS, DIN, and EN standards with EN 10204 3.1/3.2 Mill Test Certificates.
📍 Address: 6th Kumbharwada, Shop No. 154, Near Alankar Cinemas, Mumbai 400 004
📞 Mr. Aashit Shah: +91 86524 99959
📞 Mr. Bhavin Shah: +91 86550 39959
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