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  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
  • Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve
Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve

Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve

  • 5 - 29 Pieces
    $50
  • >= 30 Pieces
    $40

Customization:

Customized logo（Min.Order: 20 pieces）
Customized packaging（Min.Order: 20 pieces）
View product details

Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Automatic Air Release & Backflow Prevention: Designed to efficiently release accumulated air in water systems while preventing reverse flow of air or water, ensuring smooth and safe fluid dynamics.
  • Multi-Media Compatibility: Operates with water, air, and gas, supporting diverse applications in hydraulic and gas-powered systems through its robust cast iron construction and CE-certified durability.

Key features

  • 1. Durable Material Technology

    • With a ductile cast iron body and protective coating, ensure corrosion resistance and long-lasting performance in harsh water systems. Outlast plastic alternatives* while maintaining structural integrity under pressure.

  • 2. Automatic Interactive Design

    • With an automatic double orifice mechanism, continuously release trapped air without manual intervention, enhancing operational efficiency compared to traditional manual valves*. The flanged base allows seamless integration into existing systems.

  • 3. Multi-Media Performance

    • With compatibility for water, air, and gas, handle diverse media flows in high-pressure industrial settings, outperforming single-purpose valves*. The robust design ensures reliability in demanding environments.

  • 4. Versatile Scenario Solutions

    • Designed for both residential applications (e.g., washing machines, water heaters) and commercial water networks, prevent backflow and ensure smooth system operation across varied use cases.

  • 5. Certified Safety & Compliance

    • Certified to CE standards, guaranteeing adherence to EU safety and quality regulations for industrial use.

Product details

Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve

The SYI Automatic Double Orifice Flange Ductile Cast Iron Air Release Valve is engineered for reliable performance in water, gas, and air systems. Designed with a robust cast iron body and CE certification, it prevents backflow and ensures efficient air release in industrial and municipal applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDuctile cast iron with protective coatingWithstands corrosion in harsh environments
CertificationCE-compliantEnsures safety and regulatory compliance
Media CompatibilityWater, air, gasIdeal for water systems, HVAC, and pipelines
Power TypeGas/hydraulic actuationEnables automated operation in industrial setups
DesignDouble orifice, flanged baseEfficient air release and easy system integration
Valve TypeAir vacuum release, safety reliefMitigates pressure surges in water networks

Customization guide

Adjustable parameters include:

  • Orifice size (to match flow rate requirements)
  • Flange dimensions (for seamless piping system integration)
  • Material upgrades (e.g., stainless steel for corrosive media)

Get inspired

With its CE certification and durable cast iron construction, this valve ensures safety and longevity in demanding applications. The double orifice design efficiently releases trapped air, while hydraulic/gas actuation supports automated systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Flow Rate500 L/min+15% (575 L/min)+30% (650 L/min)*
Max Pressure10 bar12 bar15 bar
Corrosion ResistanceStandard coatingEnhanced epoxyTriple-layer coating*
Actuation Speed5 sec4.3 sec3.5 sec

Supplier's note

  1. Key Technical Breakthroughs:

    • Double orifice design: Reduces air entrapment by 40% compared to single-orifice valves.
    • Flanged base: Enables 20% faster installation than threaded alternatives.
    • CE certification: Ensures compliance with EU safety standards for industrial use.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard residential or municipal water systems requiring basic flow control.
    • Advanced Model: Suitable for industrial plants needing faster actuation (e.g., HVAC systems with variable loads).
    • Pro Model: Designed for harsh environments like chemical plants, where triple-layer corrosion resistance and high-pressure ratings (15 bar) are critical. With its 650 L/min capacity, it outperforms industry benchmarks by 30%, ensuring reliability in demanding applications.

Frequently asked questions

  • Which model of air release valve is best suited for preventing backflow in industrial water systems?

  • How do I maintain and clean a cast iron air release valve for optimal performance?

  • Cast Iron vs Stainless Steel: Which material is better for industrial air valves?

  • Can this air release valve be customized for specific industrial applications?

  • Is the ductile cast iron air release valve FDA-approved for water systems?

  • What installation considerations should I note for flanged air release valves?

  • How long does a ductile cast iron air valve typically last in harsh environments?

  • Does this valve function effectively in systems with corrosive gases or extreme temperatures?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialIndustrial water systems, pipelinesIndustry Standard: Cast Iron (ASTM A48)
Our Base: Ductile Cast Iron (ASTM A48 Class 30)
Our Advanced: Ductile Cast Iron + Epoxy Coating (ISO 12944)		▲ Our Base: 30% higher tensile strength vs standard cast iron
▲ Advanced: Corrosion resistance extended to 25+ years		Higher cost for advanced coating (Advanced tier)
Noise LevelHospitals, offices, residential areasIndustry Standard: 45 dBA (louder than a quiet room)
Our Base: 40 dBA (equivalent to a whisper)
Our Advanced: 35 dBA (quieter than a refrigerator hum)		▲ Base/Advanced: Meets OSHA noise regulations for sensitive environmentsRequires precision engineering (increases manufacturing time)
Pressure RatingHigh-pressure pipelines, industrial plantsIndustry Standard: Up to 10 bar (145 PSI)
Our Base: 12 bar (174 PSI)
Our Advanced: 15 bar (218 PSI)		▲ Advanced: Supports heavy-duty applications like oil refineriesHeavier construction may require reinforced mounting
Temperature RangeCold regions, extreme climate projectsIndustry Standard: -10°C to 80°C
Our Base: -20°C to 90°C
Our Advanced: -30°C to 100°C (verified via ISO 10508)		▲ Advanced: Operates in Arctic conditions (-30°C) and tropical heat (100°C)Limited compatibility with low-temperature fluids in Base tier
Sealing PerformanceChemical plants, gas distributionIndustry Standard: 0.1% leakage (per EN 12266)
Our Base: 0.05% leakage
Our Advanced: 0.01% leakage (ISO 15848 compliant)		▲ Advanced: Zero contamination in pharmaceutical applicationsComplex sealing mechanisms add to maintenance complexity
CertificationsGlobal regulatory complianceIndustry Standard: Basic local certifications
Our Base: CE (EU Directive 2014/68/EU)
Our Advanced: CE + API 600 (American Petroleum Institute)		▲ Advanced: Access to oil/gas markets and international projectsAdditional certifications increase upfront costs

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