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  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
  • Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob
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Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob

  • 1 - 499 Sets
    $4.68
    $5.20
  • 500 - 999 Sets
    $4.41
    $4.90
  • >= 1000 Sets
    $4.14
    $4.60

Customization:

Customized logo（Min.Order: 500 pieces）
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Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Fire-Safe Security: A solid brass fire hydrant lock system designed to secure fire doors, ensuring compliance with safety standards during emergencies.
  • Invisible Rack Bolt Mechanism: Features an integrated deadbolt that retracts invisibly into the door frame when unlocked, maintaining a clean aesthetic while providing robust security.

Key features

  • 1. Material Technology

    • With solid brass and stainless steel construction, ensure durability and corrosion resistance in high-demand environments. The brass knob and stainless steel body combine elegance with long-lasting performance, outperforming cheaper metal alloys*.

  • 2. Interactive Design

    • With a traditional oval brass knob, enjoy intuitive operation for quick locking and unlocking. The ergonomic design allows effortless engagement of the deadbolt, simplifying daily use compared to complex locking mechanisms*.

  • 3. Performance Parameters

    • With a reinforced deadbolt mechanism, provide reliable security against forced entry compared to standard locks*. The robust locking system ensures a secure seal when engaged, ideal for high-traffic or vulnerable doorways.

  • 4. Scenario Solutions

    • With an adjustable mounting plate and customizable finishes, adapt to diverse door frames and interior designs while maintaining security. Whether for residential homes or commercial spaces, this bolt offers versatility in both function and aesthetics.

  • 5. Certification Standards

    • With CE certification, meet rigorous safety and quality standards for both residential and commercial use. This ensures compliance with international regulations for fire-resistant and durable locking systems.

Product details

Solid Brass Fire Hydrant Lock System Fire Door Invisible Rack Bolt Security Door Lock with Oval Knob

The Solid Brass Fire Hydrant Lock System is a premium security door lock designed for fire-rated doors, combining robust brass construction with an invisible rack bolt mechanism. Its oval knob and traditional styling ensure seamless integration into diverse architectural settings while delivering enhanced fire resistance and security.

Technical specifications

FeatureSpecificationBenefit
MaterialSolid brassCorrosion-resistant, durable, and elegant
CertificationCE-compliantEnsures compliance with European safety standards
Lock TypeInvisible rack bolt (deadbolt system)Discreet yet secure engagement mechanism
Fire ResistanceFire door ratedMeets safety requirements for fire-prone areas
InstallationAdjustable mounting plateFits varied door frame thicknesses

Customization guide

Adjustable mounting plate parameters allow customization for door frame thickness (1.5–3.0 cm). Oval knob finishes can be tailored to match existing hardware (e.g., brushed brass, polished chrome).

Get inspired

Ideal for fire-rated doors in commercial buildings, residential fire escapes, or high-security storage areas. The invisible rack bolt ensures a clean aesthetic while providing reliable locking functionality.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Security LevelStandard+20% enhancedMilitary-grade*
Fire Resistance30-minute rating60-minute rating90-minute rating
Installation FlexibilityFixed plateAdjustable plateUniversal adapter kit

Supplier's note

  1. Technical Breakthroughs:

    • CE Certification: Ensures compliance with stringent EU safety standards for fire and structural integrity.
    • Solid Brass Construction: Offers 40% higher corrosion resistance than aluminum alloys, extending lifespan in humid environments.
    • Invisible Rack Bolt Design: Reduces visible hardware by 50%, maintaining aesthetic appeal without compromising security.

  2. Version Selection Guide:

    • Base Model: Suitable for residential fire doors requiring basic compliance and cost-effective solutions.
    • Advanced Model: Ideal for commercial buildings needing extended fire resistance (e.g., hotels, offices) paired with adjustable mounting for diverse door types.
    • Pro Model: Tailored for high-risk environments (e.g., data centers, hospitals) where extreme fire resistance and customizable installation are critical. With its 90-minute fire rating, it outperforms industry benchmarks by 100%.

*Note: "Military-grade" refers to enhanced tamper-proof mechanisms, not official military certification.

Frequently asked questions

  • Which fire door lock model is best for commercial buildings?

  • How to maintain the brass finish of a fire door lock?

  • Brass vs. stainless steel door locks: Which is better for fire-rated doors?

  • Can this fire hydrant lock be customized for specific door frames?

  • Is the Solid Brass Fire Hydrant Lock CE-certified for fire safety?

  • How does the invisible rack bolt enhance door security?

  • What makes this lock suitable for fire door applications?

  • Does the lock require professional installation for fire-rated doors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionCoastal areas, industrial environmentsIndustry Standard: Steel (ASTM A36) (Standard structural steel)
Our Base: Brass (ASTM B260) ▲ (Corrosion-resistant brass)
Our Advanced: Brass + Stainless Steel (ASTM A240) ▲▲ (Durable alloy combo)		Enhanced corrosion resistance in Our Base/Advanced.
Lighter weight in Advanced.		Higher cost for Advanced versions. Steel is cheaper but rust-prone.
Fire ResistanceHigh-rise buildings, hospitalsIndustry Standard: 30min fire rating (EN 1634-1) (Basic fire door standard)
Our Base: 45min fire rating ▲ (Improved protection)
Our Advanced: 60min fire rating ▲▲ (Commercial-grade)		Exceeds safety norms in Advanced.
Meets regulatory requirements.		Requires thicker door frames for Advanced versions.
Security LevelBanks, vaultsIndustry Standard: ANSI Grade 2 (Residential standard)
Our Base: ANSI Grade 1 ▲ (Commercial-grade)
Our Advanced: ANSI Grade 1 + Pick-resistant ▲▲ (Military-grade)		Advanced versions resist forced/pick attacks.
Base version deters casual break-ins.		Advanced models may need professional installation.
Installation ComplexityResidential DIY projectsIndustry Standard: Moderate (requires locksmith) (Typical steel locks)
Our Base: Semi-professional ▲ (Do-it-yourself with guides)
Our Advanced: Fully DIY ▲▲ (Pre-drilled templates)		Advanced versions save labor costs.
Base version simplifies setup.		Advanced may lack some security features for ease of installation.
Certification StandardsInternational installationsIndustry Standard: CE (Basic EU compliance)
Our Base: CE + UL 10C ▲ (North American approval)
Our Advanced: CE + UL + FM ▲▲ (Global certifications)		Wider market acceptance for Advanced.
Base meets regional needs.		Higher testing costs for Advanced.
Weight/PortabilityMobile facilities, frequent relocationIndustry Standard: Heavy (steel, ~2.5kg) (Typical steel locks)
Our Base: Moderate (brass, ~1.8kg) ▲ (Lighter than steel)
Our Advanced: Lightweight (aluminum core, ~1.2kg) ▲▲ (Ergonomic design)		Advanced versions reduce installation strain.
Base balances weight and durability.		Advanced may sacrifice slight thickness for portability.

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