Specification Table
|
Parameter |
Detail |
|
Material Grade |
Malleable Iron |
|
Process |
Casting + Hot-Dip Galvanizing |
|
Size Range |
DN15–DN100 |
|
Wall Thickness |
Compatible with standard pipe schedules |
|
Shape |
Threaded bushing |
|
Connection |
Male + Female Thread |
|
Standard |
GB/T 3287-2011 |
|
Application |
Thread size reduction in fittings |
Internal Thread Size Adapter for Threaded Connections
- The threaded reducing bushing is designed to connect fittings with different thread sizes by adapting a larger female thread to a smaller male thread.
- It is installed by threading into a larger female fitting, after which a smaller male-threaded pipe or fitting can be connected.
- A customer in Indonesia required a solution for connecting a DN50 female-threaded valve to a DN25 male-threaded pipe. By using our threaded reducing bushing, the connection was completed with a single component.
- The threaded reducing bushing is manufactured from malleable iron through casting with a hot-dip galvanizing process. Size range is DN15 to DN100, with multiple reducing configurations available.
Compact Thread Adaptation Solution
- This bushing is used to bridge incompatible thread sizes within threaded piping systems, providing a compact and reliable transition solution.
- It ensures proper engagement between different thread dimensions while maintaining sealing performance.
- Jianzhi Group manufactures these fittings and holds certifications including BSI and SNI. The company is a chairman unit of China's casting association and exports to over 130 countries.
- The minimum order value is 10,000 RMB, and mixed sizes are acceptable within a single order. OEM branding is available upon request.



Full Thread Inspection and Quality Control
- Each threaded reducing bushing undergoes full inspection of both internal and external threads prior to packaging.
- Third-party inspection is welcome.
- Warranty support is provided. If any issue occurs upon arrival at your port, please provide photos for verification. Replacement or refund will be arranged accordingly.
- Payment terms: 30% deposit, 70% balance before shipment. Available terms include EXW, FOB, and DDP.
Hot Tags: threaded reducing bushing, China threaded reducing bushing manufacturers, suppliers, factory, Fully Threaded Nipple, Galvanized Malleable Equal Tee, Galvanized Malleable Flat Union, Galvanized Malleable Plug, Long Radius 90 Degree Elbow, Malleable Iron Cross