LUOYANG NA'E HA'U 'A E MALOHI 'O E TEKINOLIA CO.,LTD

Ko e founga naʻe hoko ai ʻa e ngaahi paipa PVC ko e ivituʻu ʻo e ngaahi sisitemi fakatafeʻanga vaí .
A PVC pipe drainage system acts as the city’s “underground veins”, handling rainwater discharge, domestic sewage, and industrial wastewater. Ngaahi paipa PVC, preferred globally for drainage, offer excellent performance and arise from a mature automated manufacturing process.

1. The Core Advantages of PVC Pipes in Drainage Systems
Drainage pipes must handle sewage exposure, resist chemicals, withstand soil or negative pressure, have smooth inner walls, and last for decades.
Smooth inner walls outperform cast iron and concrete pipes. The low Manning coefficient boosts drainage and reduces energy costs.
PVC resists acid, alkali, salt, and microbes. No extra anti-corrosion coating is needed, suiting complex water environments.
PVC pipes are lightweight, at just 1/5 the density of steel. Cutting and connecting is easy, speeding construction and reducing costs.
PVC pipes have a lower lifecycle cost and are reliable. They are the top choice in municipal, building, and agricultural drainage.
2. Paipa PVC Manufacturing Process

1. Raw Material Preparation and Mixing
PVC-U resin forms the base. Add heat stabilizers, lubricants, fillers, and aids as per standards. Mixing ensures uniformity at 80–120°C, supporting plasticization.
2. Twin-Screw Extrusion and Plasticization Homogenization
The compound enters a twin-screw extruder. Shear heat and external heating at 160–200°C melt, degas, and homogenize material, forming a dense PVC melt. Screw settings and temperature zones are key to pipe quality.
3. Vacuum Shaping and Gradient Cooling
After extrusion, the melt goes to a vacuum sizing tank. Vacuum and cooling keep the pipe round and even. Wrong cooling rates cause warping or brittleness.
4. Traction, Cutting, and Online Inspection
A traction machine pulls the pipe to match the extrusion and cooling speed. Automatic cutters standardize lengths. Laser measurement, wall thickness scans, and visual inspection give fast quality feedback.
3. Green Intelligent Manufacturing and Industry Evolution Trends
Tighter environmental rules and ‘dual carbon’ goals drive industry change.
· Non-toxic formula: Gradually phase out lead salt stabilizers and fully switch to calcium-zinc compound stabilizers and organic tin environmental protection systems.
Recycling technology for PVC pipes is mature. Recycled PVC serves non-pressure pipes, reducing the carbon footprint.
IoT, AI inspection, and digital twin models optimize energy, improve yield, and enable predictive maintenance on production lines.
Nano-modification and co-extrusion foaming lower weight and reduce noise while keeping strength. These suit new uses like sponge cities and prefabricated buildings.
4.Applications of Ngaahi paipa PVC


| Field | Typical Uses | Common Types | Ngaahi lelei |
|---|---|---|---|
| Building Water Supply and Drainage | Cold water pipes, drainage pipes, rainwater pipes, vent pipes | uPVC | Smooth inner wall prevents scaling, high drainage efficiency; non-toxic type meets drinking water standards |
| Hot Water Systems | Domestic/hotel hot water pipes, solar circulation pipes | CPVC | Temperature resistance up to 90℃, good pressure resistance, can replace some metal pipes |
| Agricultural Irrigation | Drip/sprinkler main pipes, branch pipes, water channels | uPVC | Corrosion-resistant to fertilizers and pesticides, lightweight for easy field installation, long service life |
| Power and Communication | Wire and cable protection conduits, fiber optic protective conduits | uPVC(flame retardant) | Good insulation, resistant to electromagnetic interference, easy to install in excavations |
| Industrial Fluid Transport | Chemical, electroplating, pharmaceutical, wastewater treatment pipelines | uPVC/CPVC/Modified PVC | Resistant to acids, ʻākali, and salts, does not contaminate the medium, low maintenance cost |
| Municipal Engineering | Urban sewage pipelines, road conduit pipes, farmland water conservancy | uPVC(large diameter) | High resistance to foundation settlement, well-sealed joints, overall cost lower than cast iron/concrete pipes |
| Other Special Uses | Swimming pool circulation systems, ventilation and exhaust, temporary construction water, rainwater collection | uPVC | Easy to customize elbows/tees, adaptable to complex layout, toe ngaue'aki |
5.Ko hono liliu 'o e ngaahi paipa ki he pisinisi 'oku ma'olunga hono totongi
Kapau ‘oku ke kei fe’auhi ‘i he totongi pe ., ‘oku ke ‘osi ‘i mui ..
Ko e kaha'u 'oku 'a e ngaahi kautaha 'oku nau .:
- Build technical authority through content
- Deliver project-based solutions
- Target high-growth regional markets
Luoyang Datang Malohi Tekinolosia Kautaha ko ha kautaha ngaohi koloa Siaina tu'ukimu'a 'oku makehe 'i he ngaahi paipa pelesitiki mo e ngaahi me'a fakapipiki 'o e tu'unga ma'olunga .. Fakanaunau'i 'aki 'a e ngaahi laine ngaohi 'otometiki 'o e tu'unga-'o e-'aati pea poupou'i 'e ha timi 'o e . 200 kau mataotao, 'oku mau 'oatu ha laine koloa lahi 'oku kau ai 'a e 'olunga 'i he . 150 fa'ahinga 'o e ngaahi paipa pelesitiki mo e ngaahi me'a fakapipiki kuo fa'u ki he ngaahi sisitemi 'o e ma'u'anga vai mo e fakatafe, fetuku kasa, mo e ngaahi sisitemi fakamafana 'o e faliki .. Ko 'etau ngaahi koloa tefito 'oku kau ai 'a e PVC Paipa mo e ngaahi me'a fakapipiki ., PE (HDPE) Ngaahi Paipa mo e Ngaahi Me'a Fakapipiki, Ngaahi Paipa mo e Ngaahi Me'a Fakapipiki PPR, mo e PEX Paipa Fakamafana 'o e Fola ..





