Brass Door Viewer Model 1012-25-38-CP with 12mm Tube Diameter

The Oupu Optic Brass Door Viewer Model 1012-25-38-CP is a commercial-grade security hardware component optimized for door panels and partitions measuring 25 to 38 mm in thickness. Engineered with a machined solid brass housing in a high-shine chrome plated finish and precision optical glass lenses, this 12mm tube diameter viewer provides a clear, wide-angle view for interior wood doors, commercial hollow metal panels, and composite office doors.

Technical Specifications

ParameterSpecification Details
Model Number1012-25-38-CP and 1012B-25-38-CP
Housing MaterialMachined Solid Brass
Tube Diameter12 mm
Door Thickness Range25 mm to 38 mm
Head Diameter16 mm
Standard FinishCP – Chrome Plated
UL Fire RatingOptional 1/3 H or 1.5 H Fire-Resistant
Target ApplicationsInterior wood doors, composite office partitions, and commercial panel gates

Key Benefits & Target Applications

Core Hardware Advantages

  • Clear Optical Performance: Engineered with professional optical lens configurations to minimize edge distortion and maintain a wide, clear field of view.
  • Solid Brass Body: Machined from robust solid brass to ensure long-term durability and high corrosion resistance.
  • Targeted Panel Thickness Range: Specifically sized to fit panels from 25 mm to 38 mm, preventing loose installations on standard interior room and office doors.
  • UL Fire-Safety Standards: Available with fire-resistant options to comply with commercial building regulations for rated fire doors.

Primary Application Environments

  • Commercial Office Partition Doors: Designed for sleek aluminum frame doors and composite panel dividers.
  • Standard Residential Interior Doors: Fits standard interior bedroom and study room doors where a high-durability viewer is required.
  • Hotel and Motel Guest Rooms: Excellent for modern guest room doors with a 25 to 38 mm profile thickness.
  • Hollow-Core and PVC Doors: Lightweight design and tight-threading body ensure a secure mount without compromising softer door core materials.

Custom Finishes and Accessories

We offer several standard finishes and accessories to match your project requirements:

Optional Finishes

  • SC: Satin Chrome
  • SN: Satin Nickel
  • PB: Polished Brass
  • CP: Chrome Plated – Standard
  • G: Gold Plated
  • AC: Antique Copper
  • AB: Antique Brass
  • ORB: Oil Rubbed Bronze

Optional Accessories

  • Cover F1012G: Internal privacy shutter
  • Extension F1012J: Threaded tube extension for thicker door panels
  • Integrated Cover F1012XG: Integrated rear privacy cover assembly

B2B Procurement Terms

To support commercial buyers, distributors, and door manufacturing plants, we provide standard export trade terms:

  • Minimum Order Quantity: Please contact our sales department for specific finish and volume requirements.
  • Production Lead Time: Typically 30 to 45 days depending on the batch order size and finishing options.
  • Sample Policy: Physical product samples are available for quality evaluation and testing by qualified trade buyers.
  • Incoterms and Port of Loading: FOB Ningbo, Shanghai, or Tianjin.
  • Export Packaging: Shipped in standard industrial export cartons. Custom private labeling and brand packaging are available upon request.
  • Technical Drawings: We provide 2D and 3D CAD files to engineering teams and door manufacturers for pre-installation planning.

Manufacturing Capabilities and Certifications

Beijing Oupuoptic Instrument Co., Ltd. began operations in 2001 in Tongzhou District, Beijing. To support large-volume global exports, we established our modern manufacturing facility, Zhejiang Guocheng Technology Co., Ltd., in Zhejiang province in 2019.

Our manufacturing infrastructure and legacy include:

  • A modern production facility covering over 5000 square meters.
  • A workforce of more than 100 professionals.
  • Automated CNC machining and precision optical lens assembly lines.
  • Full ISO9001 quality system certification.
  • Direct import and export authorization.

Our optical engineering history:
Our Chairman, Mr. Shao Wencai, is an experienced optical designer who was deeply involved in developing China’s first-generation door viewer in 1978. He patented a 180-degree wide-angle door viewer in 1990, securing a national patent. He later designed a dual-purpose door viewer in 1998, followed by an enhanced optical door viewer system in 2006.

Our door viewer series is UL certified, satisfying the fire safety standards of both the United States and Canada.

Frequently Asked Questions

This model is specifically designed for doors and panels measuring between 25 mm and 38 mm in thickness. This range corresponds directly to the standard specifications for commercial interior wood doors, office partition frames, and lightweight panel doors.

The UL fire safety rating is an optional upgrade. If your commercial project requires fire-resistant hardware, please let us know when submitting your RFQ so we can supply certified units.

Yes. We supply evaluation samples and technical 2D/3D drawings to door manufacturers and procurement managers. Please contact our trade team to coordinate your specifications.