INTRODUCTION:

Hongdaer EXPANSION fittings are designed for water supply and heating systems.The system comprises plastic compression rings and brass fittings.

COMPONENTS

Plastic Compression Rings:

Memory Property: After expansion, the rings return to their original dimensions within seconds, ensuring a secure seal.

Brass Fittings:

Material: CW617N brass (EN 12165 standard)

TECHNICAL PARAMETERS:

Working Pressure:≤1.6 MPa (PN16)

Medium: Cold/hot water (pH 6.5–8.5)
Working temperature:-10°C to +95°C

PEX Pipe Specifications (OD × Wall Thickness):
16×1.8 mm, 20×1.9 mm, 25×2.3 mm, 32×2.9 mm
16×2.2 mm, 20×2.8 mm, 25×3.5 mm, 32×4.4 mm

ADVANTAGES

1.Rapid Installation

No specialized tools required;

Average installation time reduced by 50% compared to Axial fittings.

2. Broad Compatibility

Suitable for PEX-A, PEX-B pipes.

3. Corrosion Resistance:

Passes 5,000-hour salt spray test (ASTM B117).

4. Longevity:

Service life exceeds 50 years under standard operating conditions.

5. Cost Efficiency:

Reduces material waste by 20% and eliminates post-installation maintenance costs.