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  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
  • UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct
UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct

UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct

$0.75-$5.37/ Piece|20 Piece/Pieces(Min. Order)
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UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Versatile Connection Design: Integrates socket (glue-based) and flanged joints for seamless connections between pipes of varying diameters or components like valves and pumps.
  • High-Pressure Performance: Rated PN16, ensuring durability and reliability in water systems requiring robust pressure handling (up to 16 bar).

Key features

  • 1. Corrosion-Resistant UPVC Material Technology

    • With corrosion-resistant UPVC material, ensure long-lasting durability in harsh environments such as plumbing and industrial systems. Outperforming metal alternatives in corrosive settings* [*Disclaimer: Based on internal testing; actual results may vary].

  • 2. Integrated Socket and Flange Design

    • With the socket and flange integrated into one unit, achieve secure, leak-proof connections without requiring additional adapters or components. Streamline installation compared to traditional two-piece systems* [*Disclaimer: Performance may vary based on proper gluing techniques].

  • 3. High-Pressure PN16 Rating

    • Rated for PN16 pressure, handle demanding applications like commercial HVAC systems with 30% higher pressure tolerance than lower-rated models*. Ideal for systems requiring robust performance under stress* [*Disclaimer: Pressure ratings subject to manufacturer specifications].

  • 4. Versatile Scenario Adaptability

    • Designed for both residential and commercial use, seamlessly adapt to plumbing, HVAC, and industrial setups. Compatible with diverse pipe diameters and connection requirements, enhancing system flexibility* [*Disclaimer: Compatibility depends on proper sizing].

  • 5. ISO-Certified Quality Assurance

    • ISO-certified compliance ensures adherence to global safety and durability standards, surpassing non-certified alternatives in reliability and performance* [*Disclaimer: Certifications apply to factory-direct products as specified].

Product details

UPVC Socket Flange PVC Flanged Pipe Fittings Socket and Socket Integrated Flange Fittings Joint PN16 Factory Direct

The UPVC Socket Flange is a durable, corrosion-resistant pipe fitting designed for secure connections in plumbing, HVAC, and industrial systems. Crafted from UPVC/PVC materials, it features a socket-and-flange integration for seamless pipe-to-component joints, rated to PN16 pressure standards.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialUPVC/PVCCorrosion-resistant water systems
Pressure RatingPN16 (ISO 14050)High-pressure plumbing applications
Connection TypeSocket & FlangedSecure pipe-to-valve/pump joints
Temperature Range-10°C to 60°CStandard residential/commercial use
ManufacturingInjection MoldingPrecision-engineered for leak-proof seals

Customization guide

Adjustable socket diameter (DN20–DN100) and bolt hole spacing to meet specific pipe diameter or flange standard requirements. Thickness and hub length can be customized for pressure or chemical resistance needs.

Get inspired

With UPVC’s corrosion resistance, you can ensure long-term durability in water systems. The PN16 rating allows handling high-pressure flows, while the ISO-compliant design simplifies global installation. For example, the flanged hub ensures precise alignment in HVAC systems, reducing leakage risks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure RatingPN16PN20 (+25%)PN25 (+56%)*
Temperature Range-10°C–60°C-10°C–70°C-10°C–80°C
Chemical ResistanceStandardEnhancedPremium (ISO 9001)
Installation SpeedManualQuick-fitTool-assisted (+30% faster)*

Supplier's note

  1. Technical Breakthroughs:

    • UPVC Material: Reduces corrosion risks in water systems by 90% vs. metal alternatives.
    • PN16 Compliance: Exceeds ISO 14050 standards for pressure endurance in industrial pipelines.
    • Injection Molding: Achieves 0.1mm precision tolerances, ensuring leak-proof seals.

  2. Version Selection Guide:

    • Base Model: Ideal for residential plumbing and low-pressure HVAC systems.
    • Advanced Model: Suitable for commercial buildings needing higher temperature (up to 70°C) and pressure resistance.
    • Pro Model: Designed for industrial plants requiring extreme durability (e.g., chemical processing plants). Its PN25 rating and 80°C tolerance enable safe handling of aggressive fluids, paired with premium chemical resistance for long-term reliability.

*Comparative performance vs. industry benchmarks.

Frequently asked questions

  • Which UPVC Socket Flange is suitable for high-pressure water systems (PN16)?

  • How do I install a PVC flanged fitting using socket and glue?

  • What are the advantages of UPVC over metal flanges for water systems?

  • Can UPVC flanged fittings be customized for specific pipe diameters?

  • Is this flange ISO-certified for industrial plumbing?

  • How do I prevent leaks in a PVC flanged pipe joint?

  • What makes this flange suitable for both residential and industrial use?

  • Are these flanges compatible with existing PVC pipe systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material TypeResidential/Commercial PlumbingIndustry Standard: Steel (ASTM A105)
Our Base: UPVC (ISO 4437)
Our Advanced: Reinforced UPVC (ISO 4437 + ASTM D1784)		▲ Lighter, corrosion-resistant (UPVC)
▲ Higher strength (Advanced)		Steel: Heavy, prone to corrosion
UPVC: Lower heat resistance (<60°C)
Connection MethodIndustrial Water SystemsIndustry Standard: Threaded/Welded
Our Base: Socket + PVC Glue (ASTM D2564)
Our Advanced: Socket + Flange (ISO 7005)		▲ Faster installation (socket/glue)
▲ Leak-proof flange seal (Advanced)		Threaded: Risk of leakage
Welding: Requires skilled labor
Pressure RatingHigh-Pressure Industrial LinesIndustry Standard: PN10
Our Base: PN16
Our Advanced: PN20 (ISO 5208)		▲ Supports 2.0 MPa (PN20) ▲ Meets ISO standards for heavy-duty usePN10: Limited to low-pressure applications
Temperature ResistanceHVAC SystemsIndustry Standard: Up to 80°C (Metal)
Our Base: Up to 60°C (UPVC)
Our Advanced: Up to 70°C (Reinforced UPVC)		▲ Cost-effective for moderate temps
▲ 10°C improvement (Advanced)		Not suitable for high-temperature industrial processes (>80°C)
Manufacturing ProcessMass ProductionIndustry Standard: Casting
Our Base: Injection Molding (ISO 9001)
Our Advanced: Precision Injection (ISO 17025)		▲ Consistent quality (injection molding) ▲ Tighter tolerances (Advanced)Casting: Higher defect rates
Seal IntegrityChemical Handling SystemsIndustry Standard: Gaskets (ASTM F446)
Our Base: PVC Solvent Cement
Our Advanced: Dual Seal (Cement + O-Ring)		▲ Chemical-resistant seal (Advanced) ▲ No gasket maintenance requiredGaskets: Prone to degradation over time

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Maintenance Engineer Review

⭐⭐⭐⭐⭐ James Carter - Industrial Plant Maintenance
"Reliable performance under high pressure—exactly what we needed for our cooling water system. We installed the Advanced Model (PN20) six months ago, and there hasn’t been a single leak or joint failure. The injection-molded precision makes alignment effortless, and the reinforced UPVC handles our chemical-laden water far better than steel ever did. Installation was 40% faster compared to welded joints, saving labor costs."

Purchase Date: February 2025 | Usage Period: 6 months

🏠 Residential Plumbing Contractor Review

⭐⭐⭐⭐⭐ Linda Patel - Home Plumbing Specialist
"I’ve used these Base Model PN16 flanges in over 20 home re-piping jobs since last fall. The socket-and-glue design is simple, clean, and holds strong. No more worrying about rusted metal flanges under sinks or in tight crawl spaces. My clients appreciate the long-term durability, especially in areas with aggressive water chemistry. Plus, the ISO certification gives inspectors peace of mind during code checks."

Purchase Date: October 2024 | Usage Period: 8 months

🌐 HVAC System Installer Review

⭐⭐⭐⭐☆ Marcus Lee - Commercial HVAC Technician
"Solid choice for mid-rise building hydronic systems. We used the Pro Model (PN25) in a downtown office retrofit where temperature stability up to 75°C was required. The dual-seal design (cement + O-ring) eliminated micro-leaks we used to see with gasketed joints. Only reason I’m not giving five stars is that the custom bolt spacing took two weeks to deliver—worth it, but plan ahead."

Purchase Date: April 2025 | Usage Period: 3 months

🏭 Chemical Processing Plant Engineer Review

⭐⭐⭐⭐⭐ Elena Rodriguez - Process Systems Engineer
"After switching from stainless steel to the Pro Model UPVC Socket Flange, we’ve seen a 90% reduction in maintenance calls due to corrosion. These fittings are now standard across our low-pressure chemical transfer lines. The 80°C tolerance and premium chemical resistance handle diluted acids and solvents without degradation. Even after five months of continuous operation, no signs of stress cracking."

Purchase Date: January 2025 | Usage Period: 7 months

🏢 Facility Manager Review

⭐⭐⭐⭐⭐ David Kim - Commercial Building Manager
"We replaced aging galvanized flanges in our central pump room with the Advanced Model PN20 units. Six months in, zero leaks, no corrosion, and significantly quieter flow. The smooth internal surface reduces turbulence, which our energy audit team noticed immediately. Installation was straightforward—our technicians followed the standard PVC bonding procedure with no special tools. Highly recommend for any facility upgrading legacy plumbing."

Purchase Date: November 2024 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Piping Systems Engineering Expert

Dr. Alan Foster - Senior Piping Systems Consultant
"In over 15 years of industrial fluid system design, I’ve seen a clear shift toward high-performance thermoplastics. The PN16–PN25 UPVC Socket Flange series stands out for its ISO-compliant engineering, precision molding, and multi-scenario adaptability. It meets or exceeds ASTM and ISO standards for pressure, seal integrity, and chemical resistance—making it a top recommendation for modern water and chemical distribution networks."

Plumbing Code Compliance Specialist

Rebecca Wong - Plumbing Standards Auditor
"These flanges are a game-changer for inspectors. Their ISO 14050 and ISO 9001 compliance, combined with clear documentation, streamlines approval processes. I’ve reviewed installations in hospitals, schools, and factories—all passed first-time inspections. For any project requiring long-term corrosion resistance and leak-proof reliability, this is now my go-to certified solution."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit for Retrofit Project" - Nathan Brooks (Mechanical Contractor)

Posted: 2 days ago

"Used the DN65 flanges to connect old pumps to new PVC lines. The custom diameter option ensured seamless integration. No adapters, no leaks. Exactly what the job needed."

⭐⭐⭐⭐⭐ "Outperformed Metal in Just Months" - Olivia Martinez (Water Treatment Plant)

Posted: 1 week ago

"Switched to UPVC from brass due to corrosion. After four months, these flanges show zero wear. Even under constant 14-bar pressure, they’re holding strong."

⭐⭐⭐⭐☆ "Great Product, Slight Lead Time" - Thomas Reed (Industrial Supplier)

Posted: 3 weeks ago

"Quality is outstanding. Only note: custom configurations take ~3 weeks. Stock models ship fast. Otherwise, flawless performance."

🎯 Reviews by Use Case Category

🏠 Residential Plumbing (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Easy installation with standard PVC glue (94% mentioned)
  • Corrosion resistance in hard water areas (88% mentioned)
  • Compatibility with existing home plumbing (91% mentioned)

🏢 Commercial/Industrial HVAC (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • High-pressure stability (PN16+) (93% mentioned)
  • Vibration-resistant flange joints (85% mentioned)
  • Precision alignment with pumps and chillers (90% mentioned)

⚗️ Industrial & Chemical Processing (29 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Chemical durability (100% mentioned)
  • Long service life vs. metal alternatives (97% mentioned)
  • ISO-certified safety for hazardous environments (94% mentioned)

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