Manufacturing Excellence & Quality Validation

Our pipeline rubber gaskets are produced with premium raw materials and standardized production processes, supporting large-scale automated production. Every gasket complies with industry sealing standards and matches ISO 2531, EN 545, and GB/T 13295 ductile iron pipe fittings. From raw material screening to finished products, we enforce full-process quality control: raw material composition testing, tensile strength detection, compression resistance testing, and airtight leakage testing. With mature production technology and strict quality inspection, we guarantee stable elasticity, uniform thickness, precise size and superior wear resistance – maintaining excellent sealing performance even under repetitive pressure and ground displacement.

Custom & OEM/ODM Solutions for Global B2B Clients

As a vertically integrated manufacturer (R&D, production, sales, and service), we cater specifically to infrastructure contractors, utility companies, and wholesale distributors:

Standard D200 Specification: Our core product is D200 (DN200) rubber gasket, perfectly matched with DN200 ductile iron flanged pipes and fittings. It is fully compatible with DN200 flanged elbows, tees, straight pipes and supporting pipe accessories for standard pipeline engineering.

Tailored Customization: We can customize gasket diameter, thickness, cross-section shape and hardness specifications to match your preferred pipe standard or special installation requirements.

Premium Material Options: We provide high-performance EPDM and NBR rubber gaskets. EPDM gaskets adapt to potable water, outdoor and harsh weather environments with excellent aging resistance; NBR gaskets feature outstanding oil resistance, suitable for industrial fluid and special medium pipelines. All gaskets support anti-corrosion and durable customized treatments for aggressive soils and seawater environments.

OEM/ODM Capabilities: Custom logo, packaging, part numbering, and exclusive customized specifications are fully supported.

Wholesale & Bulk Orders: Factory-direct pricing, low MOQ, sufficient stock, and efficient logistics covering 23 Chinese provinces and exports to Southeast Asia, the Middle East, and Africa.

Why Choose Our Pipeline Rubber Gaskets?

Effortless Installation & Perfect Sealing: Standard size design fits flanged pipe fittings perfectly, enabling fast and convenient assembly without complex tools. The high-fitting structure ensures close joint fitting, effectively preventing water leakage and pipeline pressure loss.

Full-Cycle Support: 24/7 pre-sales engineering advice, on-time delivery, installation guidance, and responsive after-sales maintenance.

Eco-Conscious Production: Adopt environmentally friendly raw materials and green production processes, non-toxic and harmless, compliant with drinking water pipeline safety standards and global sustainability goals.

Partner with Xintong Cast Pipe (Guangdong) Co., Ltd. to source reliable D200 rubber gaskets for your next pipeline project. Contact us today to discuss your technical drawings, request a sample batch, or launch an OEM/ODM partnership. Together, we build the future with quality.