Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of dowty bonded washers for hydraulic sealing in China. With abundant experience, we warmly welcome you to buy bulk durable dowty bonded washers for hydraulic sealing in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
General performance parameters
|
Parameter |
Details |
|
Standard |
Metric / BSP / Standard Custom |
| Size | Standard or customized |
|
Material |
Carbon Steel / Stainless Steel + NBR / FKM |
|
Color |
Black, Zinc Plated Silver / Yellow |
|
Hardness |
70 - 85 Shore A |
|
Temperature |
-30°C to +120°C (NBR) / -20°C to +200°C (FKM) |
|
Working Pressure |
Up to 40 MPa (400 Bar) |
|
Position |
Static Sealing for Pipe Fittings and Flanges |
Structural Integrity & Performance
✅ Standardized Precision
Engineered to exact Metric and BSP standards for reliable sealing performance.
✅ Durable Construction
Combines high-strength carbon steel with premium NBR elastomeric sealing lips.
✅ Extreme Resistance
Operates effortlessly under high pressures up to 40 MPa and varying temperatures.
✅ Leak-Proof Protection
Ensures tight static sealing for hydraulic pipe fittings, valves, and flanges.
✅ Long Service Life
Delivers exceptional wear resistance and vibration stability in heavy machinery applications.
Quality Assurance & Trade Solutions
🛡️ Rigorous Quality Control
Every sealing batch undergoes strict dimensional and visual inspection to ensure superior precision and zero-defect performance.
💎 Premium Material Selection
We source high-grade elastomers and metals engineered to withstand high pressure, friction, and extreme operational environments.
🤝 Tailored B2B Solutions
Offering flexible wholesale terms, reliable supply chain management, and dedicated OEM support for international distributors.
📦 Reliable Global Delivery
Optimized export processes and fast shipping ensure your orders arrive safely and right on schedule every time.
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