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Complete Engineered Piping Portfolio & Technical Dimensions

Engineered strictly to DIN, ISO, ASTM, and EN standards. Full mold inventory and brass fittings system available for worldwide OEM/ODM supply.

PP-R Pipes

PP-R Antimicrobial Hot & Cold Water Piping System

DIN 8077/8078 · ISO 15874 · PN25

Manufactured from 100% virgin Borealis RA130E resin with inner nano-silver antimicrobial layer. Homogeneous socket fusion ensures leak-free joints for 50 years.

Size RangeDN20 ~ DN110 mm
Working Temp-10°C ~ 70°C (Peak 95°C)
Joint Method260°C Constant Socket Fusion
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PVC-U Pipes

PVC-U Double-Wall Spiral Silence Drainage Pipe

ISO 3633 · ASTM D2665 · UL94 V-0

Features 6 internal continuous spiral ribs guiding water in a helical flow along the wall, reducing water impact noise below 38 dB(A) for high-rise residential & hospitals.

Size RangeDN50 ~ DN200 mm
Ring StiffnessSN4 / SN8 Heavy Duty
Joint MethodFlexible Rubber Ring / Solvent
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PE-RT Pipes

PE-RT Type II 5-Layer EVOH Oxygen Barrier Heating Pipe

DIN 4726 · ISO 22391 · 95°C Max

Five-layer co-extrusion with middle Kuraray EVOH barrier. Blocks 99.9% oxygen permeability to protect boilers, valves, and heat pumps from oxidation corrosion.

Standard Sizes16×2.0 / 20×2.0 mm (Coils)
Bending Radius5× OD at -40°C flexibility
Joint MethodAxial Sliding Sleeve / Press
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HDPE Pipes

HDPE PE100 High-Density Polyethylene Water & Gas Pipe

ISO 4427 · EN 12201 · SDR11-26

Heavy-duty PE100 grade polymer with elongation at break >350%. Outstanding resistance to slow crack growth (SCG >8,760 hrs), ideal for directional drilling & water mains.

Size RangeDN63 ~ DN800 mm
Nominal Pressure0.6 ~ 1.6 MPa (SDR11-26)
Joint MethodCNC Butt Fusion / Electrofusion
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Engineering Selection & Technical Specifications Overview

Refer to the following standard sizing tables. Custom wall thickness, metric/imperial dimensions, and co-extruded color striping are supported for container orders.

1. PP-R Standard Dimension Table (S2.5 / PN25 Series · DIN 8077/8078):

Nominal Outer Diameter (OD) Wall Thickness (en) Inner Diameter (ID) Packaging Standard Working Pressure (20°C) Recommended Applications
DN20 (1/2")3.4 mm13.2 mm4m / piece (100m / bundle)2.5 MPa (PN25)Terminal cold & hot water branches
DN25 (3/4")4.2 mm16.6 mm4m / piece (80m / bundle)2.5 MPa (PN25)Inlet risers & manifold headers
DN32 (1")5.4 mm21.2 mm4m / piece (60m / bundle)2.5 MPa (PN25)Multi-story residential main risers
DN40 (1-1/4")6.7 mm26.6 mm4m / piece (40m / bundle)2.5 MPa (PN25)Commercial pump distribution lines
DN50 (1-1/2")8.3 mm33.4 mm4m / piece (28m / bundle)2.5 MPa (PN25)Industrial HVAC & plant water mains
DN63 ~ DN11010.5 ~ 18.3 mm42.0 ~ 73.4 mm4m / piece (Crate / Bundle)2.5 MPa (PN25)Basement utility and central mains

2. HDPE PE100 Standard Dimension Ratio (SDR) & Weight Table (ISO 4427):

Nominal OD (mm) SDR11 (PN16) Wall (mm) SDR13.6 (PN12.5) Wall (mm) SDR17 (PN10) Wall (mm) Weight (SDR11 kg/m) Recommended Jointing
DN635.8 mm4.7 mm3.8 mm1.06 kg/mButt Fusion / Electrofusion
DN908.2 mm6.7 mm5.4 mm2.13 kg/mButt Fusion / Electrofusion
DN11010.0 mm8.1 mm6.6 mm3.17 kg/mButt Fusion / Electrofusion
DN16014.6 mm11.8 mm9.5 mm6.71 kg/mAutomated Hydraulic Butt Fusion
DN25022.7 mm18.4 mm14.8 mm16.29 kg/mAutomated Hydraulic Butt Fusion
DN315 ~ DN80028.6 ~ 72.6 mm23.2 ~ 58.8 mm18.7 ~ 47.4 mm25.8 ~ 165.0 kg/mHeavy-duty Trenchless Pulling