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Butt Joint Clamp
Butt joint clamp is a mechanical connecting component designed to join two exhaust pipes with the same outside diameter. It secures the pipe connection without welding. The standard assembly typically consists of an SS304 stainless steel or aluminized steel band, an I-shaped aluminum block, two sets of bolts and nuts, and semicircular support blocks. The wide band wraps around the pipe joint and distributes the clamping force over a larger contact area, helping secure the connection while reducing concentrated pressure on the pipe wall.
Yueding supplies butt joint exhaust clamps in standard sizes from 2 to 8 inches for bulk orders. The standard band is 76 mm wide and 0.6–0.8 mm thick. Custom options include colored anodized aluminum blocks, logo engraving, and customized packaging, subject to the applicable minimum order quantity. You can provide the actual pipe outside diameter, clamp size, band material, band width, order quantity, and operating conditions so that we can confirm the most suitable butt joint clamp configuration.
Yueding supplies butt joint exhaust clamps in standard sizes from 2 to 8 inches for bulk orders. The standard band is 76 mm wide and 0.6–0.8 mm thick. Custom options include colored anodized aluminum blocks, logo engraving, and customized packaging, subject to the applicable minimum order quantity. You can provide the actual pipe outside diameter, clamp size, band material, band width, order quantity, and operating conditions so that we can confirm the most suitable butt joint clamp configuration.
Product Description
Even Clamping Pressure
Removable Connection
You can connect two exhaust pipes with the same outside diameter without welding. When a pipe section needs inspection, adjustment, or replacement, the clamp can be loosened and removed, helping you reduce installation work and simplify later maintenance.
Durable Material Options
You can choose an SS304 stainless steel band for improved corrosion resistance or an aluminized steel band for regular exhaust connection and replacement needs. Selecting the appropriate material helps you match different application conditions and provide a more dependable product for long-term use and repeat sales.
Related Butt Joint Clamp Options
Stainless Steel Type
An SS304 stainless steel band provides better resistance to moisture, road salt, and repeated temperature changes in exhaust environments. It is more suitable when your application calls for improved corrosion resistance and more dependable long-term use.
Aluminized Steel Type
The aluminized steel band offers a practical level of resistance to high-temperature oxidation at a lower cost than stainless steel. It is suitable for routine exhaust repairs, replacement connections, and applications where you need to balance durability with purchasing cost.
With Inner Liner
An internal liner covers and supports the joint between the two pipes, helping the clamp fit the connection area more closely. This version is suitable when slight gaps may remain between the pipe ends or when your application requires additional support and a more controlled fit.
Lap Joint Clamp
Its stepped band is designed to connect exhaust pipes with different outside diameters. This type is suitable for reducer sections, mismatched muffler connections, and repair work where additional pipe expansion or welding would otherwise be required.
From Band Forming to Assembly Inspection
Dimensional consistency begins with the band-forming process. Our equipment cuts each band to length, bends both ends, rivets the formed sections, and rolls the band into its final circular shape. Separate tooling is used for different sizes so that each specification can maintain the required diameter and joint position, reducing variation caused by using the wrong forming setup.
After forming, we check the band’s inside diameter, width, and surface condition. The inside diameter affects how well the clamp matches the pipe, while the band width influences the position of the components during assembly. We also look for visible scratches, dents, or other surface defects before the bands move to the next stage, so issues can be identified before they affect finished products.
Approved semi-finished bands are separated by order, size, and packaging requirement before batch assembly. We then assemble them with aluminum blocks, semicircular supports, bolts, nuts, and any other required components. Depending on the order, products may also be assembled to match different packaging formats. During this stage, we carry out inspection and apply either full inspection or sampling inspection according to the batch requirements, checking component completeness, assembly direction, finished dimensions, and appearance.
Before packing, we verify the order details, product specifications, quantity, and packaging instructions once again. Keeping orders separated through forming, assembly, and packing helps reduce mixing between sizes or batches and supports more consistent configurations for repeat orders.
Product Questions & Answers
What is the minimum order quantity for butt joint clamps?
The minimum order quantity is 200 pieces. Orders of 1,000 pieces or more can include a mix of regular sizes. For mixed orders, please provide the quantity required for each size, along with the band material, clamp structure, and packaging requirements. Different materials, reducer designs, lined versions, or customized components may need to be confirmed separately.
How do I select the correct butt joint clamp size?
How do the locking nut and aluminum blocks affect installation?
Will the clamp leave marks on the exhaust pipe or flex pipe section?
What packaging is available?
