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Can PPR Pipe Fittings Be Used for Hot Water Systems?

1. Introduction: Key Requirements for Hot Water System Fittings

  • Global hot water system market grows at 7.3% annually
  • Requires fittings with high temperature resistance, corrosion resistance, and pressure tolerance
  • ifan Pipeline’s PPR fittings meet EU EN 12201 standards for 95℃ hot water systems

2. Core Performance Advantages

  • High Temperature Resistance:
    • Long-term operation: 70℃ (50-year lifespan)
    • Short-term peak: 95℃ (100-hour duration)
  • Pressure Rating:
    • Standard classes: 1.25MPa/1.6MPa/2.0MPa
    • Burst pressure: ≥5.0MPa (vs. industry standard 3.5MPa)
  • Corrosion Resistance:
    • Chloride-ion resistant (vs. copper pitting corrosion)
    • No electrochemical corrosion risks

3. Performance Comparison with Traditional Fittings

ParameterPPR FittingsCopper FittingsStainless Steel Fittings
Max Temperature95℃150℃200℃
Long-Term Temp70℃ (50 years)100℃ (15 years)120℃ (25 years)
Installation CostLow (heat fusion)High (soldering)Very High (welding)
Corrosion ResistanceExcellentGoodExcellent
Thermal Expansion0.15mm/m·K0.017mm/m·K0.016mm/m·K

4. Technical Requirements for Hot Water Systems

  • Expansion Compensation: Install expansion joints every 5 meters
  • Water Quality: Compliant with GB/T 17219 drinking water standard
  • Pressure Testing: Conduct 1.5x working pressure test per EN 805

5. ifan Pipeline Solutions

  • Patented Technologies:
    • Copper-inset elbows
    • Pressure-balanced tee fittings
  • Custom Services:
    • Full DN20-DN110 sizes for hot water systems
    • Free thermal expansion calculation service
  • Quality Assurance:
    • NSF/ANSI 61 certified for drinking water
    • 100% pressure tested (0.8MPa for 2 hours)

6. Typical Applications

  • Residential central heating systems (villas/apartments)
  • Hotel centralized hot water systems (40 tons/day capacity)
  • Solar thermal projects (differential temperature systems)
  • Industrial cooling loops (≤95℃ operating conditions)

7. Case Studies & Test Data

  • Hangzhou Luxury Residential Project: Zero leaks in 5 years
  • Laboratory Results:
    • 95℃ cycling test: 5,000 hours no deformation
    • 500ppm chloride environment: 3,000 hours no corrosion

Connaissances
IFAN

What Is the Price of 1.5 Inch PPR Pipe?

If you’re planning a plumbing, heating, or water supply project, you may be wondering: how much does a 1.5 inch PPR pipe cost? Understanding the price of PPR (Polypropylene Random Copolymer) pipes is essential for budgeting, especially for contractors, wholesalers, or bulk buyers looking for long-term value. In this guide, we’ll break down: 📏 First,

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IFAN

Which Pipe Is Costly: PVC or HDPE?

If you’re planning a plumbing, drainage, or infrastructure project, choosing the right type of pipe is critical—not only for performance, but also for cost-efficiency. Two of the most commonly compared materials are PVC (Polyvinyl Chloride) and HDPE (High-Density Polyethylene). But which one is more expensive? In this article, we’ll break down the cost differences between

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IFAN

What Is the Difference Between Green and White PPR?

When sourcing PPR (Polypropylene Random Copolymer) pipes and fittings, many buyers notice that they come in various colors—most commonly green and white. This leads to a common question: Is there a functional difference between green and white PPR? Or is it just cosmetic? In this article, we’ll explain the real differences (if any) between green

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IFAN depuis 1993, offre PPR, PEX, PVC, HDPE, raccords en laiton, vannes en laiton, robinets en laiton, etc.