Product Introduction
The PPR 90° equal-diameter elbow is a thermoplastic fitting used to achieve a 90° directional change in PPR piping systems. It is suitable for hot and cold water, HVAC, and industrial fluid systems.
Technical Specifications
| Parameter | Specification | Testing Standard |
|---|---|---|
| Dimensional Standards | ISO 15874-2, AS/NZS 4129, DIN 8077/78 | ISO 3126 |
| Pressure Rating | PN 20 (2.0 MPa at 20°C), PN 16 (1.6 MPa at 20°C) | ISO 1167 |
| Temperature Range | -20°C to +95°C (continuous operation at 70°C) | ISO 9080 |
| Thermal Conductivity | 0.24 W/(m·K) | ISO 8497 |
| Linear Expansion | 0.15 mm/(m·°C) | ISO 11359 |
| Minimum Bend Radius | 1.5 × DN for optimal flow characteristics | ISO 161-1 |
Product Features
Corrosion-resistant And Hygienic
The PP-R material contains no metal components, is chemically resistant, releases no harmful substances, and meets drinking water hygiene standards.
Extremely Long-life Design
The hot-melt connection is stable and provides up to 50 years of maintenance-free use.
High-temperature And High-pressure Resistance
The PPR 90° equal elbow has a pressure resistance of PN20 and a temperature resistance of 95°C, making it suitable for hot and cold water and floor heating systems.
Why We Are the Leading Manufacturer of PPR 90° Equal Elbow
Over 12 Years of Industry Experience
We have specialized in pipe and fittings production and international trade for over 12 years, accumulating extensive manufacturing and export experience.
Complete Product Range
We offer a wide range of products, including PPR pipes and fittings, PERT pipes, PE pipes, PEXC pipes, and pre-filters, to meet diverse market and customer needs.
Strict Quality Management System
We are ISO 9001:2015 certified, ensuring every product meets international standards.
Free Samples and Fast Delivery
We offer free samples for quality verification, and our standard delivery time is 20–30 days, ensuring efficient cooperation.
Packaging & Ordering Information
Packaging: Standard carton boxes or as per customer request .
Minimum Order Quantity (MOQ): Can be discussed .
Delivery Time: Usually 15-30 days after order confirmation; faster for samples.
Payment Terms: T/T.
Port of Shipment: Mainly Chinese ports like Shanghai, Ningbo.
Certifications: ISO 9001 .
Comparative Advantages Over Standard Elbows
Flow Efficiency Metrics
15% lower pressure drop than conventional 90° elbows
Turbulence reduction of up to 40% compared to standard designs
Performance Validation Data
Hydraulic Testing Results
Flow coefficient (Cv): 25-30% improvement over standard elbows
Velocity profile recovery: 1.5D from elbow exit (vs. 3D for standard designs)
Long-Term Reliability
50-year service life validated through accelerated aging tests
Zero maintenance requirements throughout service life
Consistent performance across full temperature range
Frequently Asked Questions
Q: Can I get samples from your factory?
A: Yes. We can provide free samples upon request. Shipping costs are negotiable or borne by the customer and are refundable after order confirmation.
Q: What are your payment terms?
A: We accept 30% T/T in advance, 70% before shipment, or 100% irrevocable letter of credit (L/C).
Q: What is the main purpose of the PPR 90° equal elbow?
A: It is used to achieve 90° bends in PPR piping systems, maintaining a stable flow rate within the pipe.
Q: What systems are it suitable for?
A: Suitable for hot and cold water, HVAC, air conditioning, industrial, and drinking water pipes.
Q: How is it connected?
A: It is heat-fused to the pipe to ensure leak-proof connection.
Q: Is it customizable?
A: Yes. We offer custom sizes, colors, and branding.
Q: Is it easy to install?
A: Yes. It is lightweight and features alignment markings for quick installation.
Q: How is it stored?
A: It should be kept away from direct sunlight and high temperatures, and the packaging should be kept intact.
Q: How is it packaged?
A: It is packed in plastic bags and cartons, with pallet reinforcement available.
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