Industrial PE Siphone Drainage Fitting for Optimal Water Management

• Customization: Available
• After-sales Service: Support
• Warranty: 50 Years
• Model NO.: PE Siphone Drainage Fitting
• Connection: Welding
• Flexible or Rigid: Flexible
• Material: PE
• Standard: Standard
• Product Name: PE Siphone Drainage Fitting
• Keywords: Electrofusion Fitting
• Usage: Industrial and Warehouse Facilities
• OEM: Available
• Color: Black
• Transport Package: Standard Packaging or Customized
• Specification: Standard Specifications or Customized
• Trademark: FENGFENG PIPE
• Origin: Zhejiang, China
• HS Code: 3917400000
• Production Capacity: 2000000 Pieces/Year
• Package Size: 49.00cm * 36.00cm * 37.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

HDPE PE SIPHONE DRAINAGE FITTINGS

High-performance PE fitting for siphonic roof & storm drainage systems.

Full-flow, high-capacity discharge fittings with smooth profiles for reliable action.

Search terms: PE siphonic fittings, siphonic roof drain, PE drainage, stormwater system.

Optimized for easy installation, long life, and low maintenance for cost-effectiveness.

Application

Siphonic roof drainage for commercial buildings
Office towers, malls, and airports needing efficient stormwater removal.

Industrial and warehouse facilities
Factories with wide-span roofing benefit from fewer downpipes and simpler routing.

Covered car parks and podium decks
Fast drainage and low visual impact for multi-level car parks and podiums.

Public buildings and stadia
Sports venues, halls, and stations needing reliable, high-capacity roof drainage during heavy rain.

Retrofitting and roof upgrades
Upgrade older systems to siphonic for increased capacity without structural work.

Product Parameters

HDPE SIPHONE DRAINAGE FITTINGS	SIZE
	50-315MM

Detailed Photos

HIGH FLOW, SPACE-SAVING DESIGN

SMOOTH, CLOG-RESISTANT INTERIOR

Max discharge capacity allows fewer downpipes and smaller diameters, saving space.

Polished PE paths ensure rapid rainwater removal, cutting cleaning costs.

DURABLE PE CONSTRUCTION

RELIABLE SIPHONIC PERFORMANCE

Corrosion-resistant PE ensures long life in outdoor and buried conditions.

Hydraulic design promotes stable flow, preventing air ingress during storms.

FAQ

1. Why choose us?
Factory Direct Pricing, Large Stock,Quality
(1).Manufactuer: Fittings from 20mm to 1400mm, rated for PN10 to PN25.
(2).custom branding & products, supported by three plants.
(3).large inventory
(4).Competitive pricing with strict, in-house quality control.
(5).Rapid sourcing and consolidation of related piping products.

2.What is common Uses of  HDPE/PE/PPR/PERT II pipe & fittings?
Zhejiang Fengfeng Pipe Industry's HDPE/PE/PPR/PERT II pipe & fittings excel in construction materials, household products, and agriculture due to their strength, durability, and versatility. They're essential in urban/rural water projects, sewage systems, wastewater pipelines, storm-water management, firewater pipelines, infrastructure projects, airports, ports, railways, highways, sports venues, landscape irrigation, geothermal systems, solar/wind farm piping, water distribution networks, agricultural irrigation, gas networks, natural gas pipelines, industrial systems, chemical plants, mining operations, power plants, and cooling systems.

3.What is the key Benefits of Electrofusion Fitting?
Zhejiang Fengfeng Pipe Industry's electrofusion fittings offer zero-leakage joints through a controlled scientific process, creating a homogeneous molecular bond between fitting and pipe, forming a single entity.

Here is a detailed, step-by-step breakdown of the process and the underlying principles that guarantee a leak-proof connection:

(1).Core Principle: Molecular Diffusion & Interfusion:
Thermal fusion is key. Heated HDPE or PPR (~200-220°C) becomes molten, allowing polymer chains from fitting and pipe to interdiffuse. Cooling recrystallizes them into a seamless mass.

(2).Step-by-Step Process to Ensure Zero Leakage

(3).The Role of "Smart" Technology in Guaranteeing Integrity:
Modern electrofusion uses smart technology. The fitting's data, read by a welding unit, ensures leak-proof processes:
Barcode/Data Matrix: Stores specific welding parameters for the fitting's size and material batch.
Automatic Process Control: The welder reads the code, executing the cycle automatically, removing human error.
Real-Time Monitoring & Rejection: Welder monitors parameters in real-time, aborting cycles with deviations to prevent defects.
Data Logging: Records provide traceability and proof of correct, leak-proof installation.

(4).Comparison: Why Mechanical Fittings Can Leak:Electrofusion is superior for permanent, leak-free performance:Feature Electrofusion Joint.Mechanical/Gasketed Joint.Sealing Mechanism Homogeneous molecular bond (pipe and fitting become one). Compression of elastomeric seal (gasket/O-ring) against pipe surface.Weakness None, if procedure is followed correctly. Seal aging, hardening, and creep over time. Sensitivity to vibration and thermal cycling causing bolts to loosen.Long-Term Performance Static or improves as crystallization completes. Lifetime equal to the pipe (50+ years). Degrades over time. Requires periodic re-torquing and seal replacement.

Conclusion: Ensured Zero Leakage
Zhejiang Fengfeng Pipe Industry's electrofusion joint is leak-proof, eliminating leakage interface. It is a seam elimination, not a "seal." Material science (molecular fusion), precision engineering (embedded coil & bead), and process intelligence (automated welding with data traceability) create a joint with intrinsic, permanent, verifiable integrity. It is the mandated method for leak-sensitive applications like gas distribution, potable water mains, and chemical pipelines.

4.What is the Step of Process Purpose & Anti-Leak Mechanism?
Step 1: Surface Preparation Pipe end is scraped to expose clean, virgin material. Removes contamination that prevents weak bonds by acting as a barrier to molecular diffusion.

Step 2: Clamping & Alignment:
Pipe and fitting are securely clamped in a straight, aligned position with a precise gap. Eliminates stress and misalignment that could cause voids or thin spots in the fused joint.

Step 3: Initiation & Heating:
Voltage is applied to the integrated resistance wire coil embedded in the fitting. The coil heats uniformly, transferring heat conductively to melt both the fitting's inner surface and the pipe's outer surface. Creates a precise, uniform melt zone. Controlled, even heating is critical—cold spots would lead to incomplete fusion and potential leak paths.

Step 4: Melting & Interfusion:
The molten material from both parts merges. Internal pressure from thermal expansion of the pipe and the designated fusion bead inside the fitting ensures intimate contact and forces materials to intermix. The fusion bead melts to fill the gap completely, providing additional material to compensate for any surface irregularities, guaranteeing no voids.

Step 5: Controlled Cooling:
Power is cut. The joint cools naturally and uniformly under maintained restraint. Polymer chains solidify slowly, locking their entangled structure in place. Prevents internal stress cracks (caused by rapid quenching). A stress-free joint maintains integrity under cyclic pressure and temperature changes.

5.What is HDPE?
High-Density Polyethylene (HDPE) is a thermoplastic polymer made from petroleum. Known for its high strength-to-density ratio, HDPE is strong yet lightweight. This versatile plastic has been popular since the 1950s due to its durability, impact resistance, and ability to withstand various environmental conditions.
Using virgin HDPE from traceable sources is crucial for performance, safety, and value of pipe fittings. Zhejiang Fengfeng Pipe Industry sources prime resins from top producers like SHANGHAI JINFEI PETROCHEMICAL and ZHEJIANG PETROLEUM & CHEMICAL (grades: BH 1064, TR480AT 1768, 23050 HDPE 2125366, 07111) for measurable benefits.

(1).Core Performance & Long-Term Integrity
Virgin Material vs. Recycled: Long-Term Hydrostatic Strength ensures fittings meet PE100/PE100RC, withstanding rated pressure (e.g., PN16, PN25) for 50+ years. Recycled material risks strength loss and pipe bursts.

(2).ESCR: Virgin material provides superior resistance to chemicals and installation stresses, extending lifespan. Recycled material lacks ESCR, leading to system failure.

(3).Consistent Electrofusion Quality: Stable MFR ensures uniform heating and perfect molecular bond. Recycled material causes uneven heating and leaks.

(4).Dimensional Stability & Toughness: Predictable shrinkage ensures precise molding and impact resistance at -20°C. Recycled material leads to cracks in handling.

2. Critical Value for Projects & Business:
(1).Risk Mitigation & Safety Assurance:
In pipelines, faulty fittings cause failures. Virgin material is key to preventing systemic risks.
Protects brand reputation and avoids huge costs from claims, failures, and environmental damage.

(2).Passport to International Certification & Markets:
High-end certifications (CE, ISO, WRAS) require traceability and certified performance data. Virgin resin is essential.
Prerequisite for entering regulated markets like the EU, Middle East, and North America.

(3).Lowest Total Cost of Ownership:
Higher initial cost ensures maintenance-free, zero-replacement system for 50+ years.
For owners, reduced lifetime costs outweigh the minor price difference in fittings.

(4).Foundation for Credible Quality Commitment:
Traceability to top petrochemical producers guarantees quality.
In communication, this is compelling proof, building trust and justifying a premium.

Conclusion: The Strategic Message
Highlighting traceable, virgin raw materials sends a strategic message, especially to international clients:
Zhejiang Fengfeng Pipe Industry ensures reliability at the molecular level, investing in quality materials to protect your projects from operational risks and costs. It's not just a fitting—it's a 50-year performance warranty.
This transforms the competitive focus from price to value, responsibility, and risk management, positioning Zhejiang Fengfeng Pipe Industry as a provider of essential infrastructure solutions, beyond mere commodities.