描述

High-Performance Hydraulic Door Closer for Doors up to 65kg

The ZT-A002 Series Door Closer is a premium EN3 hydraulic surface-mounted door closer designed for medium-duty commercial and residential doors. Combining advanced hydraulic technology, a precision-engineered spring mechanism, and a durable aluminum alloy body, the ZT-A002 ensures smooth, safe, and reliable automatic door closing for a wide variety of building applications.

Designed to accommodate doors weighing up to 65kg with a maximum door width of 1000mm, this model offers excellent performance for offices, schools, hotels, hospitals, retail stores, apartment buildings, and other high-traffic environments. The adjustable dual-speed closing mechanism allows installers to customize the closing action according to different door sizes and operating conditions.

Manufactured using strict quality control procedures and modern production technology, the ZT-A002 provides outstanding durability, stable hydraulic performance, and long service life. It is an ideal choice for importers, distributors, project contractors, and OEM brands seeking a dependable and competitively priced door closer.

---

Product Features

Premium Aluminum Alloy Body

The ZT-A002 is manufactured from high-quality die-cast aluminum alloy, offering an ideal balance of strength, durability, and lightweight construction. Aluminum alloy provides excellent resistance to corrosion and deformation, making it suitable for long-term indoor and semi-outdoor applications.

The body is finished with a durable three-layer spray-painted coating, enhancing resistance to:

• Corrosion
• Scratches
• Oxidation
• Moisture
• Daily wear

Standard finish:

• Silver

OEM color options include:

• Black
• White
• Champagne
• Gold
• Bronze
• Custom RAL colors

The smooth exterior design also complements modern architectural styles while providing a professional appearance.

---

Precision Hydraulic Control System

The ZT-A002 features a high-quality hydraulic damping system that delivers consistent and quiet door movement.

The precision hydraulic mechanism effectively controls door speed throughout the entire closing cycle, preventing sudden impacts and minimizing noise.

Advantages include:

• Stable hydraulic pressure
• Leak-resistant oil chamber
• Quiet operation
• Smooth closing action
• Reduced maintenance requirements
• Long operating life

The internal hydraulic oil is specially formulated to maintain stable viscosity under different temperature conditions, ensuring reliable performance throughout the year.

---

Dual-Speed Adjustable Closing

The ZT-A002 incorporates an adjustable two-stage hydraulic control system.

Main Closing Speed

Adjustable between 180° and 15°

This controls the primary closing movement of the door and can be adjusted to match different installation environments.

Latching Speed

Adjustable between 15° and 0°

This stage controls the final closing action, ensuring the door closes securely without slamming.

Independent adjustment valves allow installers to optimize door performance based on:

• Door weight
• Door width
• Wind conditions
• User traffic
• Building requirements

This flexibility improves safety while extending the lifespan of locks, hinges, and door frames.

---

High-Performance Spring Mechanism

Inside the door closer is a precision-engineered spring manufactured from premium alloy spring steel.

The spring undergoes advanced heat treatment to ensure:

• Excellent fatigue resistance
• Stable closing force
• High durability
• Long cycle life
• Reliable operation under frequent daily use

The spring system works seamlessly with the hydraulic damping mechanism to provide smooth and consistent closing performance.

---

Imported Bearing and Sealing Components

The ZT-A002 adopts high-quality imported bearings and sealing rings that enhance both efficiency and durability.

Benefits include:

• Lower friction
• Reduced wear
• Improved hydraulic sealing
• Leak prevention
• Stable long-term performance

These premium components contribute significantly to the product’s extended service life.

---

Wide Temperature Adaptability

The hydraulic system is designed to operate effectively in a wide range of environmental conditions.

Suitable for:

• Cold climates
• Tropical regions
• Humid environments
• Coastal installations
• Dry inland areas

The hydraulic oil maintains stable damping characteristics, ensuring consistent door operation regardless of seasonal temperature changes.

---

Technical Specifications

Item	Specification
Model	ZT-A002
Product Type	Hydraulic Door Closer
Power Size	EN3
Material	Die-cast Aluminum Alloy
Surface Treatment	Spray Painting
Standard Color	Silver
Maximum Door Weight	≤65kg
Maximum Door Width	≤1000mm
Adjustable Closing Speed	Yes
Adjustable Latching Speed	Yes
Maximum Opening Angle	180°
Hold Open Function	90° Hold Open / 180° Non-Hold Open
Hole Center Spacing	165 × 19 mm

---

Product Advantages

Smooth and Quiet Operation

The hydraulic control system effectively slows door movement, reducing noise and eliminating harsh impacts.

Benefits include:

• Improved user comfort
• Enhanced safety
• Protection for door frames
• Longer hardware lifespan

---

Easy Installation

The standardized mounting dimensions simplify installation for professional technicians.

Suitable for:

• New construction
• Building renovations
• Door replacements
• Maintenance projects

The product supports both left-hand and right-hand door installations.

---

Durable Surface Finish

The spray-painted coating provides long-lasting protection while maintaining an attractive appearance.

Excellent resistance to:

• Rust
• Moisture
• Dust
• Daily scratches
• UV aging (indoor and semi-outdoor use)

---

Reliable Performance

Every ZT-A002 undergoes rigorous testing to ensure dependable operation under continuous daily use.

The combination of premium materials and precision manufacturing ensures long service life with minimal maintenance.

---

Suitable Door Types

The ZT-A002 is compatible with a variety of door materials, including:

• Aluminum doors
• Wooden doors
• Steel doors
• Hollow metal doors
• PVC doors
• Plastic doors
• Composite doors
• Glass-framed doors with compatible hardware systems

Its EN3 power rating makes it ideal for medium-weight doors commonly found in commercial and residential buildings.

---

Typical Applications

The ZT-A002 is widely used across many industries and building types.

Office Buildings

Provides controlled door closing for offices, meeting rooms, and administrative areas, improving safety and reducing energy loss.

Hotels

Ideal for guest rooms, corridors, conference facilities, and service entrances where quiet operation enhances the customer experience.

Hospitals and Healthcare Facilities

Suitable for patient rooms, clinics, consultation offices, laboratories, and administrative departments requiring safe and controlled door movement.

Educational Institutions

Commonly installed in classrooms, libraries, laboratories, and university buildings due to its reliable performance under frequent use.

Shopping Centers and Retail Stores

Ensures smooth operation for storefront entrances, internal passageways, and service rooms in busy commercial environments.

Residential Buildings

Perfect for apartment entrances, condominium common areas, villas, and residential complexes where automatic closing improves security and convenience.

Government and Public Buildings

Widely used in municipal offices, public service centers, and administrative facilities where dependable door control is essential.

Industrial Facilities

Suitable for warehouses, factory offices, workshops, logistics centers, and staff entrances.

---

Manufacturing Process

The ZT-A002 is produced using advanced manufacturing equipment and strict production standards.

Production steps include:

• High-pressure aluminum die casting
• Precision CNC machining
• Surface polishing
• Spray painting
• Heat-treated spring assembly
• Hydraulic oil filling
• Imported seal installation
• Speed adjustment calibration
• Functional performance testing
• Final quality inspection
• Protective packaging

Every production stage is monitored to ensure product consistency and reliability.

---

Quality Control

Quality assurance is integrated into every stage of production.

Inspection procedures include:

• Incoming raw material inspection
• Aluminum alloy hardness testing
• Dimensional accuracy verification
• Surface coating inspection
• Hydraulic leakage testing
• Spring torque measurement
• Speed adjustment calibration
• Opening and closing function testing
• Durability cycle testing
• Final appearance inspection
• Packaging verification

Only products that pass all inspection standards are approved for shipment.

---

OEM & ODM Services

As an experienced professional door closer manufacturer in China, we provide comprehensive OEM and ODM solutions for customers worldwide.

Customization services include:

• Laser-engraved customer logos
• Private label manufacturing
• Custom housing colors
• Printed instruction manuals
• Customized retail packaging
• Carton artwork design
• Barcode labels
• Mounting accessories
• Installation templates
• Product specification sheets

We also support customized product development based on customer drawings, samples, or technical requirements.

---

Export Markets

The ZT-A002 Series Door Closer has been successfully exported to more than 80 countries and regions, earning a reputation for reliable quality, competitive pricing, and consistent performance.

Europe

Major export destinations include:

• Germany
• France
• Italy
• Spain
• Netherlands
• Belgium
• Poland
• Czech Republic
• Romania
• Portugal

European customers appreciate the product’s smooth hydraulic operation, corrosion resistance, and suitability for commercial projects.

North America

Regular shipments are made to:

• United States
• Canada
• Mexico

Applications include office buildings, schools, hospitals, apartment complexes, and commercial developments.

South America

Growing demand comes from:

• Brazil
• Argentina
• Chile
• Peru
• Colombia
• Ecuador

These markets value durable and cost-effective architectural hardware for expanding infrastructure projects.

Middle East

Key markets include:

• United Arab Emirates
• Saudi Arabia
• Qatar
• Kuwait
• Oman
• Bahrain

The ZT-A002 is widely used in hotels, shopping malls, airports, hospitals, and premium residential developments due to its dependable performance in demanding environments.

Southeast Asia

Popular export countries include:

• Vietnam
• Thailand
• Indonesia
• Malaysia
• Singapore
• Philippines
• Cambodia

Rapid urban development and commercial construction continue to drive strong demand for high-quality hydraulic door closers.

Africa

Major customers are located in:

• South Africa
• Egypt
• Kenya
• Nigeria
• Tanzania
• Morocco

Typical projects include schools, government buildings, hospitals, office complexes, and residential developments.

Oceania

Regular exports are supplied to:

• Australia
• New Zealand

Customers in these regions value the product’s corrosion resistance, smooth operation, and long-term reliability.

---

Target Customer Groups

The ZT-A002 is specifically designed for international B2B customers involved in the building hardware and construction industries, including:

• Building hardware importers
• Door hardware wholesalers
• Architectural hardware distributors
• Glass hardware suppliers
• Aluminum door and window manufacturers
• Steel door manufacturers
• Fire door manufacturers
• Construction material distributors
• Building contractors
• EPC (Engineering, Procurement, and Construction) companies
• Real estate developers
• Interior fit-out contractors
• Hotel project suppliers
• Government procurement departments
• Facility management companies
• DIY retail chains
• Home improvement stores
• Amazon, Alibaba, and other e-commerce sellers
• OEM brands
• Private-label companies

These customers benefit from flexible customization, stable supply capacity, strict quality control, and competitive factory-direct pricing.

---

Why Choose the ZT-A002 Series Door Closer?

The ZT-A002 Series Door Closer is a reliable and versatile EN3 hydraulic solution that combines precision engineering, durable die-cast aluminum construction, adjustable dual-speed control, and leak-resistant hydraulic technology. Designed for doors up to 65kg and 1000mm wide, it offers smooth, quiet, and dependable operation in a broad range of residential, commercial, institutional, and industrial applications.

With comprehensive OEM/ODM services, rigorous quality assurance, and extensive export experience across Europe, North America, the Middle East, Southeast Asia, Africa, South America, and Oceania, the ZT-A002 is an excellent choice for importers, distributors, contractors, and private-label brands seeking a high-quality hydraulic door closer that delivers long-term value, consistent performance, and strong market competitiveness.