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PPR Flow Fitting Series

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Product Description

I Product Description

The PPR Flow Fitting Series is a breakthrough in fluid transport engineering, purpose-built to eliminate the bottleneck effect that plagues conventional pipe fittings. Unlike standard fittings that constrict internal diameter and create turbulence, this series maintains a full-bore internal channel that matches the pipe's inner diameter, ensuring unimpeded flow from start to finish. Each component is precision-manufactured from virgin PPR copolymer, featuring a mirror-smooth interior surface (Ra ≤ 0.8μm) that resists scaling and biofilm formation. The series introduces patent-pending vortex-suppression geometry at all directional change points, converting turbulent flow into laminar movement. This translates to measurable real-world performance: a kitchen faucet fills a 500ml bottle in under 3 seconds, while a showerhead delivers consistent pressure even when multiple outlets are active simultaneously. The entire lineup is fully backward-compatible with existing PPR piping systems, requiring no special tools or training for installation.

I Product Feature

1. Full-Bore Internal Geometry

Every fitting in this series eliminates the stepped reduction found in standard fittings. The internal diameter remains constant throughout the entire flow path, removing the most common cause of pressure loss in plumbing systems. This design alone reduces localized resistance by up to 50% compared to conventional alternatives.

2. Vortex-Suppression Arc Design

Directional changes employ a scientifically calculated large-radius arc (R ≥ 1.5×DN for 90° bends) that guides water smoothly around corners. Computational fluid dynamics simulations confirm a 40% reduction in turbulence intensity at elbow exits, preserving kinetic energy for downstream delivery.

3. Multi-Layer Material Matrix

The pipe wall incorporates a three-phase molecular structure: a crystalline inner layer for hydraulic smoothness, an amorphous middle layer for impact absorption, and a UV-stabilized outer layer for environmental protection. This triplex architecture extends service life beyond 50 years under continuous 70°C operation.

4. Smart Thread Integration

Threaded variants feature a double-lock brass insert system with a hexagonal anti-rotation anchor embedded in the PPR body. This prevents spin-out during installation and maintains sealing integrity through thermal cycling, achieving zero-leak performance at pressures up to 2.5 MPa.

5. Modular Component Ecosystem

The series is designed as an interconnected system where elbows, tees, reducers, and adapters share compatible socket depths and fusion parameters. This allows installers to mix and match components freely without recalibrating equipment, reducing installation time by approximately 30%.

I Technical Data

Parameter	Value	Test Method
Material Grade	PP-R Type 3	ISO 15874
Density	0.91 g/cm³	ISO 1183
Melt Flow Rate (230°C/2.16kg)	0.25–0.35 g/10min	ISO 1133
Vicat Softening Point	131.5°C	ISO 306
Thermal Conductivity	0.21 W/(m·K)	DIN 52612
Linear Expansion Coefficient	0.15 mm/(m·°C)	DIN 53752
Tensile Strength at Yield	≥24 MPa	ISO 527
Elongation at Break	≥200%	ISO 527
Hydrostatic Strength (20°C, 1h)	≥26 MPa	ISO 1167
Hydrostatic Strength (95°C, 1000h)	≥4.0 MPa	ISO 1167
Surface Roughness (Inner)	Ra ≤ 0.8 μm	ISO 4287
Maximum Continuous Temperature	70°C	—
Maximum Short-Term Temperature	95°C	—
Minimum Operating Temperature	-20°C	—
Pressure Rating (20°C)	PN20 (2.0 MPa) / PN25 (2.5 MPa)	ISO 15874

I Product Specification

Component	Size Range (DN)
Large-Arc 90° Elbow	20–63
Sweeping 45° Elbow	20–63
Equal Flow Tee	20–63
Reducing Flow Tee	25×20 – 63×40
Y-Type Tee	20–63
Over-Bridge Fitting	20–32
Flow Coupling	20–63
Threaded Coupling	20×1/2″ – 63×2″