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This product's core strength lies in its enhanced resistance to corrosive media such as low-to-medium concentration acids, alkalis, salts, inorganic salts, and mild chemical solvents. It can stably handle corrosive wastewater with a pH range of 2-12. While retaining the core advantages of ordinary PVC pipes—high rigidity, lightweight convenience, excellent hydraulic performance, and simple construction—it addresses the pain points of ordinary PVC pipes, such as easy swelling, aging, and cracking when exposed to corrosive media. It is specifically designed for low-to-medium concentration corrosive wastewater discharge scenarios in light industry, chemical industry, mining, and laboratories.
The standard nominal outer diameter is DN50~DN315mm, primarily featuring a solid/thickened solid wall structure, and equipped with corrosion-resistant special sealing fittings. It can meet various laying requirements, including exposed installation, underground installation, and riser/horizontal pipe installation. It is a high-performance, cost-effective rigid plastic drainage pipe for low-to-medium concentration corrosive wastewater drainage at normal temperatures, unlike ordinary PVC pipes (only resistant to weak corrosion), FRP fiberglass pipes (high concentration, strong corrosion, high cost), and HDPE corrosion-resistant pipes (primarily flexible, prone to deformation when exposed).
1. Resistant to low to medium concentrations of corrosion, tolerating pH 2~12 acids, alkalis, salts, and mild chemical solvent wastewater; the entire pipe is modified without coating, with equal corrosion resistance on both inner and outer walls;
2. High-rigidity solid wall structure with excellent ring stiffness; not easily deformed in both buried and exposed installations; impact and collision resistant;
3. Equipped with corrosion-resistant special sealing accessories; zero leakage in both adhesive and socket connections, preventing the leakage of corrosive wastewater;
4. Smooth inner wall with excellent hydraulic properties; impurities and scale do not easily adhere; stable operation at room temperature (-10℃~70℃);
5. Lightweight and easy to process; cutting/connection processes are the same as ordinary PVC pipes; specifications cover DN50~DN315mm.
1. High cost-effectiveness, significantly lower than high-end corrosion-resistant pipes such as FRP and stainless steel pipes, requiring no anti-corrosion maintenance throughout its entire life cycle;
2. Convenient construction, requiring no professional equipment or training, no additional reinforcement needed for exposed installation, suitable for rapid construction on industrial sites;
3. Fully corrosion-resistant structure with no weak points, avoiding issues such as coating peeling and interlayer delamination in FRP pipes;
4. Environmentally friendly, with no harmful substance leaching, does not react secondary with wastewater, and does not pollute soil or water bodies;
5. Full range of specifications, enabling integrated laying of corrosive wastewater from branch pipes to main pipes, ensuring high system stability.
1. Light Industry/Chemical Enterprises: Discharge of low-to-medium concentration acid and alkali cleaning wastewater from electronic electroplating, food processing, and textile printing and dyeing;
2. Industrial and Mining Parks: Buried/open-laid collection of inorganic salt/weakly corrosive wastewater from metallurgy, mining, and building materials industries;
3. Scientific Research/Medical: Dedicated discharge of low-concentration experimental corrosive wastewater from universities, laboratories, and pharmaceutical R&D;
4. Municipal/Industrial Park Support: Centralized collection trunk lines for low-to-medium concentration corrosive wastewater from chemical industrial parks and electroplating industrial parks, connecting to sewage treatment plants;
5. Hardware/Surface Treatment: Discharge of mildly corrosive wastewater from metal pickling and phosphating, suitable for on-site installation requirements in workshops.
| Pipe Type | Corrosion Resistance Rating | Core Structure | Ring Stiffness | Core Advantages | Core Weaknesses | Core Suitable Scenarios |
| Corrosion-resistant PVC drainage pipes | Low to medium concentration corrosion (pH 2~12) | Rigid solid wall / Thickened | SN4~SN12.5 | High rigidity, convenient construction, cost-effectiveness, and corrosion resistance throughout the structure | Not resistant to high concentrations of strong corrosion; temperature resistance ≤70℃ | Low to medium concentration acid, alkali, and salt wastewater at ambient temperature, rigid exposed/buried installation |
| Ordinary PVC drainage pipes | Weak corrosion (neutral/weak acid/base) | Rigid solid wall | SN4~SN8 | Low cost and excellent hydraulic performance | Easily swells and ages when exposed to corrosive media | Non-corrosive domestic sewage and rainwater at ambient temperature |
| FRP (fiberglass reinforced plastic) pipes | High concentration strong corrosion | Fiberglass + resin winding | Customized | Resistant to high concentrations of strong corrosion and excellent temperature resistance | High cost, complex construction, poor rigidity, prone to deformation | High concentration highly corrosive chemical wastewater, large industrial trunk lines |
| Corrosion-resistant HDPE drainage pipes | Low to medium concentration corrosion (pH 2~12) | Flexible solid wall / Corrugated pipe | SN4~SN8 | Good flexibility, anti-settlement, and excellent corrosion resistance | Poor rigidity, prone to sagging and deformation when exposed to the elements | Low to medium concentration corrosive wastewater, buried/trenchless installation |
| Stainless steel drainage pipes (304/316) | Low to medium concentration corrosion | Thin metal wall | ≥SN16 | High temperature resistance, heavy load resistance, and high mechanical strength | Susceptible to pitting corrosion, high cost, prone to scaling, complex construction | Low to medium concentration corrosive wastewater + high temperature/heavy load wastewater |
| Plastic-lined/Plastic-coated steel pipes | Low to medium concentration corrosion | Metal base + plastic coating | ≥SN16 | High mechanical strength and excellent corrosion resistance | Coating easily peels off, heavy, requires anti-corrosion treatment | High load + medium concentration corrosive wastewater trunk lines |
