RIFENG Multilayer Plumbing System, certified by leading international standards organizations such as NSF and AENOR, ensures safe and hygienic hot and cold water distribution with its clean, corrosion-resistant PEX-AL-PEX pipes, durable brass fittings, and valves—delivering reliable and healthy water supply across residential, commercial, and industrial applications.
Key Features
Technical Specification
| Item | Multilayer Pipe | ||
| Overlapped welded | A(PE-AL-PE) | B1(PEX-AL-PEX) | B(PERT-AL-PERT) |
| Roughness(mm) | 0.0007 | 0.0007 | 0.0007 |
| Density(g/cm^3) | 0.941-0.959 | 0.926-0.959 | 0.926-0.940 |
| Modulus of elasticity(MPa) | 7200 | 7200 | 7200 |
| Thermal conductivity(w/mk) | 0.45 | 0.45 | 0.45 |
| Coefficient of thermal expansion(mm/mk) | 0.025 | 0.025 | 0.025 |
| Maximum operating temperature(℃) | 95 | ||
| Maximum operating pressure(bar) | 10 | ||
Item | Multilayer Pipe | |||
Overlapped welded | A(PE-AL-PE) | B1(PEX-AL-PEX) | B(PERT-AL-PERT) | C(PE-AL-PE) |
Roughness(mm) | 0.0007 | 0.0007 | 0.0007 | 0.0007 |
Melting point(℃) | 135 | 一 | 127 | 127 |
Density(g/cm^3) | 0.941-0.959 | 0.926-0.959 | 0.926-0.940 | 0.941-0.959 |
Modulus of elasticity(MPa) | 7200 | 7200 | 7200 | 7200 |
Thermal conductivity(w/mk) | 0.45 | 0.45 | 0.45 | 0.45 |
Coefficient of thermal expansion(mm/mk) | 0.025 | 0.025 | 0.025 | 0.025 |
Maximum operating temperature(℃) | 95 | |||
Maximum operating pressure(bar) | 10 | |||
Item | Multilayer Pipe | |||
Overlapped welded | A(PE-AL-PE) | B1(PEX-AL-PEX) | B(PERT-AL-PERT) | C(PE-AL-PE) |
Roughness(mm) | 0.0007 | 0.0007 | 0.0007 | 0.0007 |
Melting point(℃) | 135 | 一 | 127 | 127 |
Density(g/cm^3) | 0.941-0.959 | 0.926-0.959 | 0.926-0.940 | 0.941-0.959 |
Modulus of elasticity(MPa) | 7200 | 7200 | 7200 | 7200 |
Thermal conductivity(w/mk) | 0.45 | 0.45 | 0.45 | 0.45 |
Coefficient of thermal expansion(mm/mk) | 0.025 | 0.025 | 0.025 | 0.025 |
Maximum operating temperature(℃) | 95 | |||
Maximum operating pressure(bar) | 10 | |||
Products Overview
Compression fitting
Elbow
Tee
Reducing coupling
Male elbow
Female wall elbow
Male straight coupling
Manifolds
Brass Manifolds with Stop Valves
Brass Manifolds with Ball Valves
Brass Linear Manifolds
Brass Bar Manifolds
Stainless Steel Bar Manifolds
Multi-Jaw Profile
Male elbow
Female tee
Female straight coupling
Male tee
Straight coupling
Double wall elbows (for drywall)
Double wall elbows
Drywall tap elbow, U
Drywall tap elbow
Female wall elbow, U-shape
Male tap elbow mixer, U-shape
Press-fit adapter wall penetration
Press-fit adapter with compression
Press-fit adapter with copper pipe
Telescopic straight
Multilayer pipe
HDPE-AL-HDPE(A-Series)
PERT-AL-PERT(B-Series)
PEX-AL-PEX(B1-Series)
Push-Fit
Tee
Straight coupling
Reducing tee
Reducing coupling
Male tee
Male straight coupling
Male elbow
Female wall elbow
Female tee
Female straight coupling
Female elbow
Eurocone adapter
End cap
Elbow
Demountable female straight
TH Profile
Straight Coupling
Reducing Tee
Reducing Straight Coupling
TH Wall Plated Female Elbow
U-Profile
U Male Straight Coupling
U Female Tee
U End Cap
U Elbow
U Assembly Bouble Fittings
U Wall Plated Female Elbow
Installation Video
What We Promise
25-year Warranty
Global Certification
Product Liability Insurance
01
25-year Warranty
02
Global Certification
03
Product Liability Insurance
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