Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of self-centering type bonded seal in China. With abundant experience, we warmly welcome you to buy bulk durable self-centering type bonded seal in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
The Self-Centering Type Bonded Seal is an evolved version of the traditional bonded washer, engineered to eliminate assembly errors and ensure a leak-proof connection. It features a specialized inner rubber membrane that extends slightly into the bolt hole, allowing the seal to "lock" onto the center of the bolt threads. This ensures the seal remains perfectly concentric during tightening, preventing the common issue of offset installation that leads to high-pressure leaks.
Essential Fitment & Specs
|
Parameter |
Details |
|
Standard |
BSP 3/8" (British Standard Pipe) |
|
Dimensions (ID×OD×W) |
17.28 x 23.80 x 2.03 mm |
|
Material |
Zinc-Plated Carbon Steel / Stainless Steel + NBR |
|
Color |
Black Elastomer Lip |
|
Hardness |
70±5 Shore A |
|
Temperature |
-30°C to +100°C |
|
Working Pressure |
<= 40 MPa |
|
Position |
Hydraulic Fittings / Pipe Joints |
Structural Integrity & Performance
The structural integrity of this Self-Centering Type Bonded Seal is anchored by advanced bonding technology, which ensures a molecular-level fusion between the metal washer and the NBR sealing lip to prevent elastomer separation under extreme pressure cycles.
Its self-centering design guides the bonded seal ring into a perfectly concentric position during installation, incorporating an internal rubber membrane that eliminates the risk of thread offset.
Furthermore, the leak-free compression mechanism utilizes the controlled deformation of the bonded o ring to bridge minor surface imperfections, maintaining a robust hydraulic barrier.
Application & System Compatibility
These metric bonded seals are specifically engineered for use in hydraulic bonded seal connectors, oil pump screw plugs, and heavy-duty fuel injection systems.
They are widely deployed across various sectors including construction machinery (excavators), automotive manufacturing, aerospace engineering, and oil and gas infrastructure.
The high-performance NBR formulation ensures excellent compatibility with mineral oils, standard lubricants, and common hydraulic fluids, providing reliable longevity for the Self-Centering Type Bonded Seal in diverse industrial environments.
Quality Assurance & Trade Solutions
Our QC control protocols involve 100% visual inspection along with rigorous hardness and high-pressure endurance testing to guarantee consistent performance for every bonded seal kit.
Products are encased in export-standard moisture-proof and anti-crush packaging to safeguard their structural integrity during global transit.
We offer comprehensive trade solutions including rapid prototyping for custom technical specifications and professional global logistics fulfillment.
Our flexible commercial terms feature various payment methods and tiered MOQ structures to accommodate professional industrial procurement needs.
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