Foomu Fetu'utaki

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’sunderground 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.

Ngaahi paipa PVC of different specifications used in drainage systems

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

Size PVC-U plastic water supply pipe high-pressure PP material

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.

Tighter environmental rules and ‘dual carbongoals 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

FieldTypical UsesCommon TypesNgaahi lelei
Building Water Supply and DrainageCold water pipes, drainage pipes, rainwater pipes, vent pipesuPVCSmooth inner wall prevents scaling, high drainage efficiency; non-toxic type meets drinking water standards
Hot Water SystemsDomestic/hotel hot water pipes, solar circulation pipesCPVCTemperature resistance up to 90℃, good pressure resistance, can replace some metal pipes
Agricultural IrrigationDrip/sprinkler main pipes, branch pipes, water channelsuPVCCorrosion-resistant to fertilizers and pesticides, lightweight for easy field installation, long service life
Power and CommunicationWire and cable protection conduits, fiber optic protective conduitsuPVC(flame retardant)Good insulation, resistant to electromagnetic interference, easy to install in excavations
Industrial Fluid TransportChemical, electroplating, pharmaceutical, wastewater treatment pipelinesuPVC/CPVC/Modified PVCResistant to acids, ʻākali, and salts, does not contaminate the medium, low maintenance cost
Municipal EngineeringUrban sewage pipelines, road conduit pipes, farmland water conservancyuPVC(large diameter)High resistance to foundation settlement, well-sealed joints, overall cost lower than cast iron/concrete pipes
Other Special UsesSwimming pool circulation systems, ventilation and exhaust, temporary construction water, rainwater collectionuPVCEasy 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 ..

Ngaahi Fakafo'ou 'o e Tohi Ongoongo

Fakahu ho'o tu'asila 'imeili 'i lalo pea ke lesisita ki he'emau tohi ongoongo .