Xiamen Dezhengkai Sealing Technology Co., Ltd
| Max Diameter | 2000mm |
| Delivery Time | 10-20 Days |
| Joint | Hot-Spliced/Molded |
| Payment Terms | T/T,L/C,Western Union |
| Cross-Section | 3mm-40mm |
| Packaging Details | PE Bag + Carton + Pallet |
| Material | Multi-option |
| Supply Ability | 100,000 Pieces/Month |
| Certification | ISO 9001:2015 |
| Place of Origin | Xiamen, China |
| Brand Name | DZK |
| Model Number | DZK-LD-OR |
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Product Specification
| Max Diameter | 2000mm | Delivery Time | 10-20 Days |
| Joint | Hot-Spliced/Molded | Payment Terms | T/T,L/C,Western Union |
| Cross-Section | 3mm-40mm | Packaging Details | PE Bag + Carton + Pallet |
| Material | Multi-option | Supply Ability | 100,000 Pieces/Month |
| Certification | ISO 9001:2015 | Place of Origin | Xiamen, China |
| Brand Name | DZK | Model Number | DZK-LD-OR |
| High Light | Large O Ring ，Oversize Seal ，Custom Diameter | ||
Custom O-rings with inner diameters up to 2000mm. Ideal for wind turbines and heavy equipment applications.
Available in NBR, FKM, EPDM, Silicone, and HNBR. Select the optimal material for your specific application requirements.
Advanced hot splicing ensures seamless, high-strength joints for consistent large-circumference sealing performance.
Any cross-section from 3mm-40mm. Custom profiles including square, rectangular, and D-shape available upon request.
| Parameter | Specification |
|---|---|
| Material | NBR/FKM/EPDM/Silicone/HNBR |
| Hardness | Shore A 40-90 |
| Inner Diameter | 100mm - 2000mm |
| Cross-Section | 3mm - 40mm |
| Joint Type | Hot-spliced or seamless molded |
| Standard | Custom, AS568, ISO 3601 |
| Tolerance | +/-0.5mm to +/-2mm |
| Application | Wind turbines, large valves, pipelines |
Raw material inspection & mixing
Precision CNC mold fabrication
High-precision vulcanization
Automated flash removal
100% dimensional & visual check
Secure packing, global delivery
| Item | Details |
|---|---|
| Inner Packaging | PE bag / vacuum sealed bag |
| Outer Packaging | Standard export carton with pallet |
| Custom Packaging | Available on request (branded bags, labels) |
| Port of Loading | Xiamen, China |
| Lead Time | 7-15 days after order confirmation |
| Shipping Method | Sea freight / Air freight / Express (DHL, FedEx, UPS) |
The choice depends on temperature, chemical exposure, and pressure requirements. NBR is ideal for general hydraulic oil applications; FKM/Viton for high-temperature and chemical resistance; Silicone for food-grade and medical; EPDM for water/steam. Please share your working conditions and we will recommend the optimal material.
Absolutely. We specialize in custom molded O-rings. You can provide drawings, samples, or dimensions, and our engineering team will design and manufacture to your exact specifications. Custom compounds and colors are also available.
Our standard MOQ is 100 pieces per size, but we are flexible for trial orders and new clients. Contact us with your requirements and we will work out the best solution for you.
Yes, we offer free samples of standard sizes. For custom sizes, a small mold fee may apply. Samples are usually shipped within 3-5 working days via express courier.
We are ISO 9001:2015 certified. Our products comply with FDA, RoHS, REACH, and NSF standards depending on the material. Third-party testing reports (SGS, TUV) are available upon request.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2018
Total Annual:
200-300
Employee Number:
50~100
Ecer Certification：
Verified Supplier
DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201... DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201...
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