LUOYANG CAME ENERGY TECH CO.,LTD

لوله های PPR: ستون فقرات نامرئی تامین آب مدرن و ساخت و ساز شهری
زیرساخت های تامین آب میلیون ها نفر را در هر شهر حفظ می کند. لوله های PPR این راه نجات پنهان را متحول کرده اند. یک بار جایگزین طاقچه, PPR اکنون قابلیت اطمینان را تعریف می کند, پایداری, و کارایی در ساخت و ساز مدرن. This article shows how PPR pipes are fundamental for building resilient, future-ready cities.

Material Advantage: Why PPR Stands Out
لوله های PPR, made from thermoplastic polymers with optimal molecular randomness, offer durability and stability. Unlike galvanized steel or PVC, PPR resists corrosion and chemical degradation. Its smooth inner lining reduces hydraulic friction. Heat fusion creates integrated, اتصالات ضد نشت.
PPR is non-toxic, compliant with water standards, and remains strong at up to 70°C, tolerating 95°C briefly. Weighing just one-eighth of steel pipes, PPR reduces transportation, handling, and installation costs. It’s a practical choice for large projects.

Transformation of the water supply system
In municipal and building water networks, PPR pipes excel. Seamless fusion blocks contaminants and leaching, protecting water quality. PPR lasts over 50 years under standard conditions, cutting maintenance costs. Low thermal conductivity reduces heat loss and saves energy.
PPR’s flexibility and pressure capacity suit high-rises, heating loops, and variable demand. As urban populations grow and water scarcity rises, PPR’s leak-proof design cuts water loss, a challenge for utilities. In many fast-developing regions, PPR upgrades old iron and asbestos networks, improving water pressure, quality, and conductivity.
Specifications and Parameters of لوله های PPR
The specifications and parameters of PPR pipes mainly include the pipe series (S value), nominal outer diameter (dn), nominal wall thickness (در), and the corresponding pressure rating. These parameters together determine the pressure-bearing capacity of the pipe and its applicable scenarios.
Pipe Series and Pressure Rating
Pipe Series and Pressure Rating
The pipe series (S value) is the core parameter of PPR pipe specifications, indicating the pressure capacity level of the pipe. The calculation formula is (S = (dn – در) / (2در)) (where dn is the nominal outer diameter and en is the nominal wall thickness). Common series and their corresponding pressure ratings are as follows:
- S5 series: pressure-bearing 1.25 MPa (12.5 کیلوگرم), suitable for low-pressure cold water systems.
- S4 series: pressure-bearing 1.6 MPa (16 کیلوگرم), mostly used for cold water pipes or low-pressure hot water pipes.
- S3.2 series: pressure-bearing 2.0 MPa (20 کیلوگرم), standard for hot water pipes with thicker walls.
- S2.5 series: pressure-bearing 2.5 MPa (25 کیلوگرم), high-pressure hot water

- Nominal Outer Diameter and Wall Thickness
- The nominal outer diameter (dn) is the actual diameter of the pipe’s outer wall, commonly measured in millimeters (میلی متر). In home installations, common sizes include 20mm (¼ inch pipe), 25میلی متر (⅙ inch pipe), و 32 میلی متر (1 لوله اینچ). The nominal wall thickness (در) varies with the S value, for example:
- Pipes of the S5 series with dn25 have a wall thickness of 2.5mm.
- Pipes of the S3.2 series with dn25 have a wall thickness of 3.5mm.
- Hot water pipes (such as S2.5/S3.2) generally have a greater wall thickness than cold water pipes (such as S4/S5) to enhance high-temperature resistance.

Catalyze Sustainable Urban Development
Modern urban construction needs speed, پایداری, and resilience. PPR meets these needs. Lightweight installation shortens timelines and reduces disruptions. PPR works with trenchless and modular repair, modernizing networks without excavation, preserving roads and green spaces.
برنامه های کاربردی از لوله های PPR
| Application Areas | Typical Scenarios | مزایای اصلی / Applicable Features |
|---|---|---|
| Hot and cold water supply system | Water supply network for residential/commercial/hotel buildings | High temperature resistant (up to 95°C), غیر سمی, smooth inner walls that do not scale, عمر طولانی |
| Heating system | Underfloor heating coils, radiator connecting pipes | Good thermal stability, frost resistance, low thermal conductivity, and excellent insulation |
| Direct drinking water system | تحویل آب آشامیدنی, household/commercial water purification equipment | Food-grade material, does not breed bacteria, water is pure and uncontaminated |
| Industrial Fluid Transport | Cooling water and mildly corrosive medium pipelines | Chemical corrosion resistant, aging resistant, leak-free hot melt connection, fast construction |
| سیستم آب گرمایش خورشیدی | Piping connecting the collector to the water tank | Strong weather resistance, adapts to frequent temperature changes, مقاوم در برابر اشعه ماوراء بنفش (protective coating can be added) |
مشخصات شرکت
شرکت فناوری انرژی Luoyang Datang., Ltd. یک تولید کننده پیشرو چینی متخصص در لوله ها و اتصالات پلاستیکی با کیفیت بالا است. مجهز به خطوط تولید خودکار پیشرفته و با پشتیبانی تیمی از 200 حرفه ای ها, ما یک خط تولید گسترده ارائه می دهیم که شامل بیش از 150 انواع لوله ها و اتصالات پلاستیکی طراحی شده برای سیستم های آبرسانی و زهکشی, انتقال گاز, و سیستم های گرمایش از کف. محصولات اصلی ما شامل لوله و اتصالات پی وی سی می باشد, PE (HDPE) لوله و اتصالات, لوله ها و اتصالات PPR, و لوله های گرمایش از کف PEX.
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