Backup Flanges Manufacturers In India Supplying Carbon Steel, Stainless Steel & Alloy Steel Grades For High Pressure Piping And Industrial Applications
| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Trusted Backup Flanges Manufacturers in India Delivering Precision-Engineered Support Flanges for Pipeline Integrity, Load Distribution & Critical Service Conditions
Metalica Forging Inc is a respected supplier of precision-engineered components and a Backup Flange Manufacturer who is focused on providing high-quality flanges that are developed for strength and corrosion resistance. These flanges have been created to offer dependable reinforcements for piping systems, particularly when they are used with plastic or metallic stub ends. They guarantee excellent sealing integrity and can be used in applications such as water supply, chemical transport, and structural supports. Built from strong materials and subjected to stringent standards, Backup Flanges are the perfect choice for heavy-duty industrial services that require durability over time.
Backup Flanges | Standard Weight Chart
Nominal Size (NB) | Pipe Size (Inch) | Outside Diameter (mm) | Thickness (mm) | Approx. Weight per Flange (Kg) | Approx. Weight – 10 Flanges (Kg) | Approx. Weight – 100 Flanges (Kg) |
|---|---|---|---|---|---|---|
| 15 NB | 1/2" | 48 | 12 | 0.4 | 4 | 40 |
| 25 NB | 1" | 60 | 14 | 0.7 | 7 | 70 |
| 40 NB | 1½" | 79 | 16 | 1.3 | 13 | 130 |
| 50 NB | 2" | 92 | 18 | 2.0 | 20 | 200 |
| 80 NB | 3" | 127 | 20 | 3.9 | 39 | 390 |
| 100 NB | 4" | 152 | 22 | 6.2 | 62 | 620 |
| 150 NB | 6" | 216 | 24 | 12.5 | 125 | 1250 |
| 200 NB | 8" | 267 | 26 | 20.8 | 208 | 2080 |
| 250 NB | 10" | 318 | 28 | 32.5 | 325 | 3250 |
| 300 NB | 12" | 370 | 30 | 46.0 | 460 | 4600 |
Backup Flanges are manufactured using precision forging and advanced machining processes to ensure high structural integrity, dimensional accuracy, and reliable performance in demanding piping and pressure system environments. Designed primarily to support lap joint flanges, backup flanges do not come into direct contact with the process media, allowing cost-effective material selection while maintaining excellent mechanical strength. Each backup flange is produced under stringent quality control procedures to achieve accurate bore alignment, consistent thickness, and smooth mating surfaces for proper load distribution.
Known for their robustness and resistance to mechanical stress, this flanges provide essential support in high-pressure and high-temperature applications where flange stability is critical. Their engineered design ensures uniform stress transfer across the joint, reducing the risk of deformation, leakage, or joint failure during operation. Backup flanges are manufactured in compliance with recognized standards to guarantee interchangeability, ease of installation, and long-term service reliability.
Their ability to withstand repeated assembly, disassembly, and operational stress makes them an ideal solution for industries where safety, performance, and operational efficiency are paramount. Backup flanges are widely used across oil & gas, petrochemical, power generation, and heavy engineering sectors where dependable flange support is essential for uninterrupted operations.
- Commonly used in high-pressure and critical piping systems where joint stability, load distribution, and long-term mechanical reliability are essential.
- Manufactured in compliance with ASME, ANSI, DIN, EN, and other international standards to ensure dimensional accuracy, interchangeability, and consistent performance.
- Available in multiple materials and pressure classes to suit diverse service conditions, including corrosive environments and high-temperature operations.
- Designed to withstand mechanical stress, pressure fluctuations, vibration, and repeated assembly–disassembly cycles without loss of structural integrity.
- Extensively used in oil & gas, petrochemical, power generation, chemical processing, offshore installations, and heavy engineering industries where safe and dependable flange support is critical.
Backup Flanges – Client Supply Project Overview
This project involved the supply of precision-engineered Backup Flanges for critical piping and pressure system applications across multiple industrial locations in India. The backup flanges were manufactured using controlled forging and CNC machining processes to achieve accurate dimensions, uniform thickness, and excellent load-bearing capability. All supplied flanges complied with applicable ASME / ANSI / DIN standards, ensuring compatibility, reliability, and long-term performance in demanding service conditions.
Each batch of backup flanges underwent rigorous quality inspections, including dimensional verification, surface finish checks, and material traceability review, to meet the client’s technical specifications and industry requirements. The project was completed within the agreed delivery schedule and supported the client’s operational needs for reliable flange support solutions in high-pressure and vibration-prone environments.
| Product Supplied | Quantity | Cities (India) |
|---|---|---|
Carbon Steel Backup Flanges for Pipelines | 180 Flanges | Mumbai |
Stainless Steel Backup Flanges | 220 Flanges | Ahmedabad |
ASME Standard Backup Flanges | 200 Flanges | Vadodara |
Heavy-Duty Backup Flanges for Process Lines | 250 Flanges | Chennai |
Type of Sub-products
Stainless Steel Backup Flange Stainless Steel Backup Flange
Corrosion resistant and durable, used in chemical, food processing, and marine environments where hygiene and strength are key.
Stainless Steel Backup Flange Stainless Steel Backup Flange
Corrosion-resistant and durable, used in chemical, food processing, and marine environments where hygiene and strength are key.