Cold Formed Tube Couplings

Cold Formed Tube Couplings are high-strength connection pipe fittings for thin-walled steel pipe butt joint in industrial pipeline systems. They are processed by cold extrusion integral forming process, with no welds on the whole, high structural strength, good sealing performance and convenient installation. They are a high-reliability solution to replace traditional welded pipe joints. Our Cold Formed Tube Couplings are made of high-quality low-carbon steel or stainless steel as raw material, and are formed at one time by precision cold extrusion molds. The pipe wall thickness is uniform, the internal structure is dense, and the pressure bearing capacity is much higher than welded pipe couplings. They can withstand higher pipeline pressure without breaking or leakage. The inner wall of the coupling is smooth without welding slag, with small fluid resistance, and will not pollute the pipeline medium, which is especially suitable for fluid pipelines with high cleanliness requirements.

We can provide Cold Formed Tube Couplings with various structural forms such as straight through, reducing and double socket, adapting to thin-walled steel pipes, stainless steel pipes and copper pipes with different outer diameters, and supporting various pipe diameter standards such as metric and inch. The product surface can be subjected to various anti-corrosion treatments such as galvanizing, phosphating and passivation to adapt to various fluid media such as water, gas and oil and different use environments. Each tube coupling undergoes strict dimensional inspection, hydraulic pressure test and appearance full inspection before leaving the factory to ensure qualified dimensional accuracy, reliable pressure bearing and sealing performance. For overseas HVAC, water supply and drainage and pneumatic industry customers, our products can directly replace similar imported products, greatly reducing customers' procurement costs.

• Thin-walled steel pipe connection for building water supply and drainage and fire protection systems
• Air pipeline connection for pneumatic systems and automation equipment
• Pipeline docking for HVAC and refrigeration systems
• Clean pipeline connection for food processing and pharmaceutical equipment
• Hydraulic pipeline connection for automobiles and construction machinery

Our cold formed tube couplings adopt standard export anti-rust packaging. Threads and sealing surfaces are equipped with protective sleeves to avoid bump damage. The whole is wrapped with anti-rust paper or bubble bags and then boxed according to specifications. The outer layer is reinforced with high-strength hard cartons and wooden pallets as a whole, fully adapting to ocean transportation and multiple transshipment loading and unloading. We support FOB Shanghai port trade terms, and can assist customers in connecting with high-quality freight forwarders. The delivery cycle for both standard orders and custom orders is 30-45 days. For large-volume urgent orders, 24-hour shift production can be arranged to fully ensure on-time delivery.

We have established a full-process quality control system for all cold formed tube couplings, from material inspection when raw materials enter the factory, to forming parameter control during cold extrusion, and then to hydraulic sealing test and dimensional full inspection of finished products, checking layer by layer for quality. The core inspection items include key dimensional accuracy, pressure bearing capacity, sealing performance and surface quality, ensuring that each product meets pipeline use requirements. We accept inspection and performance testing from the world's mainstream third-party institutions. All products come with a 1-3 year warranty period. If there are quality problems such as leakage and rupture, we will provide reissue and replacement services for customers at the first time.

We support full-process OEM/ODM customization services, and can customize tube coupling products with different sizes, materials and structures according to customers' pipeline specifications, pressure grades and medium requirements. The minimum order quantity for custom orders is 100 pieces, the sample development cycle is 30-45 days, samples are provided free of charge, and customers only need to bear the international express freight. Our technical team can provide material selection and structure optimization suggestions for special working conditions such as high pressure and strong corrosion, helping customers improve the reliability of pipeline systems.

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