Bronze Bushing (Insert Reducer) Manufacturer & Exporter – Silver Brazing Type
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Cunimet Alloys Pvt. Ltd. is a trusted manufacturer and exporter of bronze bushings (insert reducers) designed for silver brazing applications in high-performance piping systems. These fittings are manufactured in accordance with MIL-F-1183 specifications and are available in ASTM B61 and ASTM B62 bronze grades, including C90300 (Gunmetal) and C92200 (Leaded Tin Bronze), ensuring excellent strength, durability, and corrosion resistance.
Our bronze bushings feature male silver braze (MSB) x female silver braze (FSB) end connections, allowing smooth reduction between different pipe sizes while maintaining strong and leak-proof joints. The grooved ends are designed for use with brazing alloys such as BCuP-5, ensuring secure installation. These fittings are compatible with copper, copper-nickel, and brass tubing systems, making them suitable for marine and industrial environments.
Bronze Bushing (Insert Reducer) | Silver Brazing Type
Available in a wide range of sizes, these bushings offer pressure ratings of 200/400 PSI for sizes 1/4” to 5” and 150/250 PSI for larger sizes up to 10”, making them ideal for water, oil, and gas applications. Widely used in marine, HVAC, and industrial piping systems, our products meet stringent quality standards and are supplied globally. For inquiries, contact sales@cunimetalloys.com.
Typical Uses of Bronze Bushing (Insert Reducer) for Silver Brazing Applications
- Marine & Shipbuilding: Used in seawater piping systems and onboard fluid transfer lines where corrosion resistance and durability are essential.
- HVAC & Refrigeration Systems: Ideal for reducing pipe sizes in copper tubing systems used in air conditioning and refrigeration applications.
- Copper-Nickel Piping Systems: Suitable for Cu-Ni pipelines in offshore platforms, ship systems, and desalination plants.
- Industrial Piping Systems: Used for connecting different pipe sizes in water, oil, and gas lines with secure, leak-proof brazed joints.
- Plumbing Applications: Enables smooth reduction between pipe sizes while maintaining strong connections in domestic and commercial plumbing systems.
- Power Plants & Utilities: Applied in cooling water systems, condensate lines, and auxiliary piping networks.
- Space-Saving Installations: Compact insert reducer design minimizes the need for additional fittings and simplifies piping layouts.
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Product Specifications
| Specification | Details |
| Product | Bronze Bushing (Insert Reducer) |
| Standard | MIL-F-1183 |
| Material Specification | ASTM B61 / QQ-C-390 / MIL-B-16541 |
| Material Grades | C90300 / C92200 |
| Alloy Type | Bronze |
| Application | For Silver Brazing (BCuP-5) |
| End Connections | Male Silver Braze (MSB) x Female Silver Braze (FSB) |
| End Type | Grooved Ends |
| Compatible Tubes | Copper Nickel, Copper, Brass Tubes |
| Pressure Rating | 200/400 PSI (1/4” to 5”) 150/250 PSI (6” to 10”) |
| Configuration | Insert Reducer (Reducing Sizes Available) |
Service Rating
| Nominal Pipe Size | Maximum Working Pressure (WOG) | Maximum Temperature (°F) | Maximum Working Pressure (WOG) | Maximum Temperature (°F) |
| 1/4” through 6” | 200 PSI | 425°F | 400 PSI | 150°F |
| Above 6” | 150 PSI | 425°F | 250 PSI | 150°F |
Applicable Standards
| Standard Type | Specification |
| Product Standard | MIL-F-1183 |
| Material Standard | ASTM B61 / QQ-C-390 / MIL-B-16541 |
| Brazing Alloy | QQ-B-654 (BCuP-5) |
| Tube Standards | MIL-T-16420, MIL-T-24107, MIL-T-20168 |
Compatible Tube Materials
| Tube Material | Specification |
| Copper Nickel Tube | MIL-T-16420 |
| Copper Tube | MIL-T-24107 |
| Brass Tube | MIL-T-20168 |
Bronze Bushing (Insert Reducer) Dimensions Chart
| Nominal Size (Inches) | A | A1 | B | C (Min - Max) | D |
| 3/8 x 1/4 | 1 | 5/16 | 0.855 | 0.672 - 0.675 | 5/16 |
| 1/2 x 1/4 | 1 1/16 | 3/8 | 1.020 | 0.837 - 0.840 | 3/8 |
| 1/2 x 3/8 | 1 1/16 | 3/8 | 1.020 | 0.837 - 0.840 | 3/8 |
| 3/4 x 1/4 | 1 3/16 | 13/32 | 1.250 | 1.047 - 1.050 | 13/32 |
| 3/4 x 3/8 | 1 3/16 | 13/32 | 1.250 | 1.047 - 1.050 | 13/32 |
| 3/4 x 1/2 | 1 3/16 | 13/32 | 1.250 | 1.047 - 1.050 | 13/32 |
| 1 x 1/2 | 1 1/4 | 7/16 | 1.535 | 1.312 - 1.315 | 7/16 |
| 1 x 3/4 | 1 1/4 | 7/16 | 1.535 | 1.312 - 1.315 | 7/16 |
| 1 1/4 x 1 | 1 7/16 | 1/2 | 1.900 | 1.657 - 1.660 | 1/2 |
| 1 1/2 x 1 | 1 5/8 | 5/8 | 2.160 | 1.897 - 1.900 | 5/8 |
| Custom Sizes Available on Request | |||||
Key Features
| Feature | Description |
| Insert Reducer Design | Allows smooth reduction between pipe sizes |
| MSB x FSB Ends | Ensures secure and leak-proof brazed joints |
| Corrosion Resistance | Suitable for marine and industrial environments |
| High Pressure Capability | Available in 200/400 PSI and 150/250 PSI ratings |
| Versatility | Compatible with copper, Cu-Ni, and brass tubing systems |
Types of Bronze Bushing (Insert Reducer) (C90300 & C92200)
| C90300 Bronze Bushing (Insert Reducer) Exporter | C92200 Bronze Bushing (Insert Reducer) Supplier |
| C90300 Bronze Bushing Insert Reducer Fitting | C92200 Bronze Bushing Insert Reducer Fitting |
| C90300 Gunmetal Bushing Insert Reducer | C92200 Leaded Tin Bronze Bushing Insert Reducer |
| C90300 Bronze Bushing for Silver Brazing | C92200 Bronze Bushing for Silver Brazing |
| ASTM B61 C90300 Bronze Bushing Insert Reducer | ASTM B62 C92200 Bronze Bushing Insert Reducer |
| MIL-F-1183 C90300 Bronze Bushing | MIL-F-1183 C92200 Bronze Bushing |
| C90300 Bronze Bushing for Brazing Applications | C92200 Bronze Bushing for Brazing Applications |
| C90300 Bronze Grooved End Bushing | C92200 Bronze Grooved End Bushing |
| Bronze Bushing (Insert Reducer) for Silver Brazing | Bronze Bushing Manufacturer for Silver Brazing |
| Bronze Bushing (Insert Reducer) Manufacturer | MIL-F-1183 Bronze Bushing Supplier |
| Bronze Bushing Insert Reducer for Silver Brazing Applications Exporter | Grooved End Bronze Bushing Manufacturer |
Industries & Applications We Serve
Exporting Bronze Bushing (Insert Reducer) Worldwide
We export Bronze Bushing (Insert Reducer) to countries across the globe, including Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, United States, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen
Bronze Bushing (Insert Reducer) Supplier Across India
We supply Bronze Bushing (Insert Reducer) to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmedabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai-Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, and Tiruchirappalli.
