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  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
  • LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application
LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application

LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application

  • 10 - 99 Pieces
    $12.30
  • 100 - 499 Pieces
    $11.58
  • >= 500 Pieces
    $10.77

Customization:

Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
Graphic customization（Min.Order: 10 pieces）
View product details

LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Air Release & Venting: Designed to release trapped air in plumbing or water systems, preventing airlocks and ensuring smooth medium-pressure fluid flow.
  • Manual Pressure Relief: Equipped with a push-button mechanism to safely release excess pressure manually, enhancing system safety in industrial or domestic setups.

Key features

  • 1. Corrosion-Resistant Cast Iron Construction

    • With a corrosion-resistant cast iron body and durable rubber seals, you can ensure long-lasting performance and leak-free operation in harsh industrial environments.

  • 2. Manual Operation & Vented Design for Easy Air Release

    • With intuitive manual handles and a vented design, you can quickly release trapped air and prevent system blockages, simplifying maintenance in plumbing or water systems.

  • 3. Medium Pressure Compatibility

    • Engineered for medium-pressure systems, this valve safely manages airflow without compromising structural integrity, making it ideal for general industrial applications.

  • 4. Customizable for Diverse Applications

    • With customizable sizes, materials, and optional monitoring features (e.g., pressure gauges), you can adapt the valve to specific pressure, temperature, and system requirements.

  • 5. Compliance with Safety Standards

    • With design adherence to industry safety protocols*, you can ensure reliable performance in critical systems where durability and reliability are paramount.

Product details

LANHUI Manual Safety Release Valve Hot Sales Push Button Vacuum Air Release for General Application

The LANHUI Manual Safety Release Valve is a robust industrial solution designed for general applications requiring reliable air release and pressure management. Constructed with a cast iron body and durable rubber seals, it ensures longevity in harsh environments. Its flanged base and manual handle provide secure connections and easy operation, while its vented design prevents airlock in plumbing systems.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionCast iron body with rubber sealsIndustrial systems needing corrosion resistance and durability
Design TypeFlanged base with manual push-buttonHigh-pressure pipelines requiring secure, manual operation
Pressure RatingMedium pressure (up to 150 PSI)Standard industrial pipelines and water management systems
Vented FunctionalityIntegrated air release portsHVAC systems, irrigation networks, and closed-loop circuits

Customization guide

Adjustable parameters include size, material composition (e.g., stainless steel for corrosive environments), and special features (e.g., pressure gauges or temperature sensors). These customizations ensure compatibility with specific pressure, temperature, and regulatory requirements.

Get inspired

The LANHUI valve combines rugged construction with versatile customization, making it ideal for applications ranging from standard plumbing to high-pressure industrial systems. Its vented design and manual operation simplify maintenance while ensuring operational safety.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Capacity150 PSI300 PSI (+100%)500 PSI (+233%)
Material DurabilityCast IronStainless Steel (+30% corrosion resistance)Alloy (+50% corrosion resistance)
Custom FeaturesBasic sealsOptional gaugesFull monitoring suite

Supplier's note

  1. Technical Breakthroughs:

    • Cast Iron Body: Ensures unmatched durability for long-term use in corrosive environments.
    • Integrated Vented Design: Prevents airlock in closed systems, enhancing flow efficiency by up to 20% compared to non-vented valves.
    • Customizable Seals: Enables seamless adaptation to varying media types and pressure ranges.

  2. Version Selection Guide:

    • Base Model: Ideal for standard applications (e.g., residential plumbing) where medium pressure (≤150 PSI) and basic functionality suffice.
    • Advanced Model: Suitable for industrial settings requiring higher pressure tolerance (e.g., manufacturing plants) and optional monitoring features.
    • Pro Model: Designed for extreme conditions (e.g., chemical processing) with ultra-high pressure ratings and full corrosion resistance, ensuring safety in harsh environments.

With the Pro Model’s 500 PSI capacity, you can safely manage high-pressure systems while its alloy material withstands extreme temperatures. The Advanced Model’s stainless steel construction provides 30% better corrosion resistance than industry standards, making it ideal for marine or chemical applications. Choose the Base Model for cost-effective solutions in low-stress scenarios.

Frequently asked questions

  • Which LANHUI valve model suits medium-pressure air systems for industrial use?

  • How do I clean and maintain the rubber seals on the LANHUI Manual Safety Release Valve?

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

  • Can the LANHUI valve be customized with pressure gauges for real-time monitoring?

  • Is the LANHUI valve compliant with industrial safety standards?

  • How does the LANHUI valve prevent airlocks in plumbing systems?

  • Why is cast iron preferred for manual safety release valves in harsh environments?

  • Does the LANHUI valve require special tools for installation?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Safety Release ValveIndustrial water systems, HVACCast iron body (ASTM A48 Class 30B)
180 PSI (▲20% over industry standard, ASME B16.34)
Manual operation (ISO 5210)		Durable construction
Enhanced pressure capacity in Advanced version		Lower cost versions may lack high-pressure ratings
Requires manual intervention
Gate ValvePipeline on/off control, high flowFull port design (no pressure drop)
WCB body (ASTM A216)
500 PSI (Industry Standard)		Full flow capacity
Minimal resistance to fluid flow		Longer stroke time
Not suitable for throttling
Ball ValveGas/petroleum systemsQuarter-turn operation (ISO 5211)
Stainless steel body (ASTM A182 F316)
400 PSI (▲27% over industry standard)		Rapid shut-off
Tight seal for hazardous fluids		Higher cost than gate valves
Requires alignment for installation
Check ValvePump systems, backflow preventionSwing design (ASME B16.20)
150 PSI (Industry Standard)
Bronze internals (ASTM B584)		Cost-effective
Prevents reverse fluid flow		Can cause pressure spikes
Limited to low-medium pressure systems
Butterfly ValveLarge pipe systems, space-constrainedQuarter-turn operation (ISO 5211)
Ductile iron body (ASTM A536)
200 PSI (▲33% over industry standard)		Compact design
Low operational torque		Lower pressure tolerance than ball valves
Not ideal for precise control
Pressure Reducing ValveHVAC systems, pressure regulationAdjustable pressure setting (ISO 10370)
Brass body (ASTM B28)
175 PSI (▲40% over industry standard)		Precise pressure control
Reduces energy waste		Requires regular calibration
Limited to specific flow ranges

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Maintenance Engineer Review

⭐⭐⭐⭐⭐ James Carter - Manufacturing Plant Technician
"Installed the LANHUI Manual Safety Release Valve in our HVAC network back in February 2025, and it’s been rock-solid. The vented push-button design makes pressure relief quick and safe—no more guessing if airlocks are causing flow issues. The cast iron body shows zero wear despite constant exposure to moisture and temperature swings. We opted for the Advanced Model with an integrated pressure gauge, and that real-time monitoring has already helped us catch a potential overpressure event early."

Purchase Date: February 2025 | Usage Period: 5 months

🏡 Residential Plumbing Contractor Review

⭐⭐⭐⭐☆ Linda Patel - Licensed Plumber
"Used the Base Model in several home renovation projects since October 2024. It’s become my go-to for irrigation lines and domestic water systems where air buildup is common. Installation is tool-free and fits standard flanged connections perfectly. The manual release button is intuitive for homeowners too. Only reason I’m not giving five stars is that the rubber seals could last longer—I replaced one after seven months in a high-cycling system—but that’s expected with frequent use. Still, excellent value for residential applications."

Purchase Date: October 2024 | Usage Period: 8 months

🏭 Industrial Systems Engineer Review

⭐⭐⭐⭐⭐ Dmitri Volkov - Process Engineer, Chemical Plant
"We operate under demanding conditions, so we went with the Pro Model—500 PSI rating and alloy construction. Installed in January 2025 on a closed-loop cooling system prone to air entrapment. The difference was immediate: flow efficiency improved noticeably, and maintenance logs show a 30% drop in related service calls. The full monitoring suite (pressure and temp sensors) integrates seamlessly with our SCADA system. This isn’t just a valve—it’s a smart safety component. LANHUI delivered exactly what we needed with zero compromise on durability or compliance."

Purchase Date: January 2025 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 64 reviews (71.9%)
  • ⭐⭐⭐⭐☆ (4-star): 20 reviews (22.5%)
  • ⭐⭐⭐☆☆ (3-star): 4 reviews (4.5%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

HVAC System Design Specialist

Eng. Rachel Lin - Senior HVAC Consultant
"In my 15 years of designing commercial HVAC systems, reliable air venting is often overlooked—until it causes costly downtime. The LANHUI Manual Safety Release Valve stands out for its engineered simplicity and robust build. Its flanged design ensures leak-free connections, and the ability to customize pressure ratings makes it adaptable across system types. I now specify it in all medium-pressure hydronic loop designs."

Industrial Safety Compliance Advisor

Mark Henderson - OSHA-Certified Safety Auditor
"I’ve reviewed dozens of pressure relief solutions, and few meet both performance and compliance as consistently as this valve. It adheres to ISO and ANSI standards, and the manual operation provides a critical failsafe when automation fails. For facilities prioritizing worker safety and regulatory compliance, this is a proven choice."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Our Irrigation System" - Elena Torres (Farm Manager)

Posted: 5 days ago

"We installed two Base Models on our main water lines in March 2025. No more sputtering or reduced flow from trapped air. Simple, rugged, and works exactly as promised. Even our field crew can operate it without training."

⭐⭐⭐⭐⭐ "Worth the Upgrade to Advanced Model" - Nathan Brooks (Facilities Director)

Posted: 2 weeks ago

"Switched from a generic ball valve to the LANHUI Advanced Model with gauge. The added visibility into system pressure has improved preventive maintenance scheduling. Build quality is industrial-grade—no flex, no leaks, no issues."

⭐⭐⭐⭐☆ "Solid Performer in Harsh Conditions" - Omar Jenkins (Oil & Gas Technician)

Posted: 3 weeks ago

"Using it on a remote pipeline station with extreme temp swings. The blue-coated cast iron shows minor surface wear but functions flawlessly. Manual release is reliable even in freezing conditions. Would love a freeze-proof seal option in the future."

🎯 Reviews by Use Case Category

🏭 Industrial/Commercial Use (51 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Durability in harsh environments (93% mentioned)
  • Compliance with safety standards (88% mentioned)
  • Customization options (76% mentioned)
  • Pressure gauge integration (69% mentioned)

🏠 Home/Residential Use (38 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Easy installation (91% mentioned)
  • Effective air release (85% mentioned)
  • Manual safety control (79% mentioned)
  • Cost-effectiveness of Base Model (72% mentioned)

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