A custom 48 x 60 casement window from DERCHI built on the E6N Xingyue thermal-break aluminum system, measuring 1219 x 1524mm with approximately 1.86 square meters of glazing area. Because the 1524mm height exceeds conventional outward-opening sash limits, inward-opening tilt-and-turn is the recommended configuration.
- Custom-built to project drawings — not a stock standard window
- E6N series: 103mm frame, 2.0mm wall, 35mm PA66 insulation strip
- Standard glass: 5+27A+5 fluorocarbon hollow aluminum strip tempered glass
- Germany WEHAG hardware with 100,000+ open cycles
Product Details
The E6N Xingyue system pairs a 103mm thermal-break aluminum frame with 2.0mm wall thickness and a 35mm PA66 insulation strip. For this 48 x 60 casement window, a double-sash layout gives each sash approximately 610mm of width, while a three-lite configuration yields roughly 406mm per lite. Since 1524mm surpasses the practical upper limit for most outward-opening sashes, the recommended approach is inward-opening tilt-and-turn or an upper/lower fixed plus middle opening combination — both keep the sash operable from inside and avoid exterior access for maintenance.
The system incorporates inner and outer pressure rubber strips, triple sealing, Vertical Isotherm Design, hidden drainage, and glue-injected corner codes for corner integrity. Standard glass is 5+27A+5 fluorocarbon hollow aluminum strip tempered units. Buyers should note that the local manual lists an opening sash range of 508–1000mm width and 600–2000mm height with up to 12sqm fixed glass, while the export page specifies 510–850mm width, 595–2400mm height, and a 6sqm fixed glass maximum — confirm which range governs your order before production.
Product Features
- Seven-Level Thermal Insulation: The E6N system achieves seven levels of thermal insulation through its Vertical Isotherm Design and 35mm PA66 strip, reducing heat transfer across the frame. Buyers should request specific U-value data for their glass configuration.
- Super Impact Corner Strength: Glue-injected corner codes deliver impact resistance rated ten times stronger than conventional screw-fixed corners, supporting structural integrity at the 1524mm sash height. Confirm the test standard behind this rating with the supplier.
- WEHAG Hardware Longevity: Germany WEHAG accessories carry a 100,000+ open cycle rating, supporting long-term reliability in project residential settings. Buyers should confirm the test conditions and certification body for this cycle figure.
- Triple Sealing System: Inner and outer pressure rubber strips combined with triple sealing help manage weather infiltration and contribute to a quieter indoor environment. Specific air and water tightness ratings for E6N should be confirmed before ordering.
- Hidden Drainage Design: Concealed drainage channels direct water away without visible exterior weep holes, maintaining a clean flush appearance on both inner and outer frame faces while managing rainwater runoff.
- Inward Tilt-and-Turn Opening: The tilt position allows controlled ventilation without fully opening the sash, while the turn position enables indoor cleaning access — particularly useful for high-rise installations where exterior maintenance is impractical.
Customizable Styles
- Glass Configuration: Options include argon gas fill, Low-E coating, laminated, frosted, tinted, ultra-clear, and blind glass — frosted suits bathroom privacy, Low-E supports energy-conscious projects.
- Frame and Structure: Choose from single sash, double sash, fixed plus opening, both-side opening with middle fixed, three-segment, upper transom, lower fixed, asymmetric, and multi-lite bay window combinations.
- Custom Sizing: Dimensions are built to project drawings. Confirm whether the local manual range or export page range applies to your order, as opening sash limits and maximum fixed glass areas differ.
- Color and Finish: Available colors include Sand Gray, Dark Coffee, Black Crystal, Starry Black, White, Black Walnut, Pear Wood, Indigo Gray, and Mint Gold. Finishes span powder coating, fluorocarbon, and wood grain.
- Opening and Screen: Inward tilt-and-turn and inward side-hung are supported. A with-screen version places the screen sash inward with a password handle for child safety and security control.
Hardware Accessories
- WEHAG Baseless Glass Sash Handle: The E6N glass sash uses a WEHAG baseless handle system from Germany, providing smooth inward operation. Confirm handle finish options and compatibility with your sash weight.
- Screen Sash Password Handle: The screen sash features a password handle that adds a security layer, restricting screen removal to authorized users — relevant for child safety and high-rise ventilation control.
- Glue-Injected Corner Code: Corner joints use glue-injected corner codes rather than standard screws, delivering impact resistance rated ten times stronger. Buyers should confirm the test standard behind this figure.
- Inner and Outer Pressure Rubber Strip: The sealing system uses inner and outer pressure rubber strips with triple sealing, contributing to weather management. Specific water and air tightness ratings for E6N require supplier confirmation.
- WEHAG Accessory System: The full WEHAG accessory set carries a 100,000+ open cycle rating. Maximum sash weight capacity for E6N hardware at this size is not published — confirm before ordering.
Basic Parameters
| Performance Item | Available Information | Buyer Notes |
|---|---|---|
| Thermal Insulation | E6N: 7 levels with Vertical Isotherm Design and 35mm PA66 strip | Request specific U-value and SHGC ratings for your glass configuration and target market certification. |
| Wind Pressure Resistance | Not published for E6N series | Confirm rating class and test standard. R8Y series shows 5kPa level 9 as reference. |
| Water Tightness | Not published for E6N series | Confirm test pressure and standard. R8Y shows 700Pa level 6; E5N shows 550–700Pa as reference. |
| Air Tightness | Not published for E6N series | Confirm classification standard. E5N shows 1.2 and R8Y shows 1.2 level 8 as reference. |
| Sound Insulation | Not published for E6N series | Confirm rating and glass configuration needed. E5N and R8Y both show 35dB as reference. |
Product Specifications
| Specification | E6N (Primary) | E5N (Alternative) | R8Y (Alternative) |
|---|---|---|---|
| Product Type | Thermal-break aluminum casement window | ||
| Frame Width / Wall / Strip | 103mm / 2.0mm / 35mm PA66 | 85mm / 2.0mm / 35mm PA66 | 118mm / 1.8mm / 35-34-16mm |
| Standard Glass | 5+27A+5 fluorocarbon hollow aluminum strip | ||
| Opening Style | Inward tilt-and-turn / side-hung | Inward tilt-and-turn / side-hung | Outward / upper-hung |
| Hardware | WEHAG baseless + password screen handle | WEHAG system | WEHAG, 12" friction hinge, 6-point lock |
| Water Tightness | Confirm with supplier | 550–700Pa (per config.) | 700Pa level 6 |
| Air Tightness | Confirm with supplier | 1.2 (per config.) | 1.2 level 8 |
| Sound Insulation | Confirm with supplier | 35dB (per config.) | 35dB level 4 |
| Thermal Insulation | 7 levels (confirm U-value) | 1.8W level (per config.) | 2.0W level 6 |
| Wind Pressure | Confirm with supplier | ~5kPa (per config.) | 5kPa level 9 |
| Best Suited For | High windows, stairwells, high-rise | Bathroom, bedroom, narrow windows | Coastal, typhoon, safety |
| Customization | Custom sizes, colors, glass, structures — provide drawings for quotation | ||
| Notes | E5N values vary by screen/export version. E6N ratings not published — request test reports. Confirm local vs export range. | ||
Advantages
- Height-Engineered Inward Opening: The 1524mm height exceeds outward-opening sash limits, so inward tilt-and-turn solves the structural challenge while enabling safe ventilation and indoor maintenance at high-rise floors.
- Controlled Ventilation for Safety: Tilt position allows airflow without full sash opening, reducing fall risks for children and pets while maintaining security in residential and commercial occupancy settings.
- Indoor Maintenance Access: Inward-opening sashes eliminate the need for exterior scaffolding or rope access, lowering maintenance costs and improving safety for upper-floor and high-rise window installations.
- Multiple Series for Scenario Matching: E6N, E5N, and R8Y cover different project zones — from high-window stairwells to coastal typhoon areas — giving buyers series-level flexibility within one supplier relationship.
- Export-Ready Packaging: Four-layer protection — anti-scratch film, pearl cotton, waterproof outer film, and fully enclosed wooden rack — supports international shipping. Door-to-door or port delivery options are available.
Application Scenarios
- Apartment: Inward tilt-and-turn operation suits apartment living where exterior window access is limited. The tilt position provides background ventilation without opening the sash fully, balancing airflow with occupant safety on upper floors.
- Home Office: Triple sealing and 5+27A+5 double tempered glass help reduce external noise intrusion, supporting a quieter workspace. The inward-opening design allows cleaning from inside without stepping outside during work hours.
- Hotel: Project-grade system window construction with WEHAG hardware supports the open-cycle reliability hospitality environments demand. Custom color options like Dark Coffee or Starry Black can align with interior design schemes.
- Office Building: The 103mm frame and 2.0mm wall thickness provide a substantial system window feel suitable for commercial facades. Multiple structure options — fixed plus opening, multi-lite wall — adapt to varied office wall configurations.
- Outdoor: For semi-exposed or covered outdoor applications, buyers should confirm water tightness ratings, wind pressure class, and surface finish durability for the specific environmental conditions. Hidden drainage helps manage rainwater runoff at frame level.
- Residential Building: The E6N system targets project residential procurement with its thickened profile, child-safe password screen handle, and controllable ventilation. Custom structures like upper transom plus lower fixed address common residential high-window layouts.
- Exterior: Exterior-facing installations require confirmation of weather resistance, water tightness pressure, wind load rating, and fluorocarbon or powder coating finish performance under local climate conditions. Buyers should request test reports for their configuration.
- Villa: Custom colors and finishes — including wood grain, fluorocarbon flash silver, and metallic options — let villa projects match architectural palettes. The inner and outer flush design delivers a clean modern aesthetic on both frame faces.
Inquiry Guidance
To request a quote, please share your project location, required size, quantity, preferred frame color, glass type, hardware requirements, and drawings or reference photos if available.
FAQ
Why does a 48 x 60 casement window need inward-opening design?
The 1524mm height exceeds the conventional upper limit for most outward-opening sashes. Inward tilt-and-turn or upper/lower fixed plus middle opening combinations keep the sash manageable while allowing safe ventilation and indoor maintenance.
What is the difference between the E6N, E5N, and R8Y series?
E6N features a 103mm frame for high-window inward-opening scenarios. E5N has an 85mm frame for narrower wall conditions. R8Y is an outward-opening 118mm frame for coastal and typhoon zones with published water and wind ratings.
What glass options are available for this window?
Standard glass is 5+27A+5 fluorocarbon hollow aluminum strip tempered units. Customizable options include argon, Low-E, laminated, frosted, tinted, ultra-clear, and blind glass — each selected based on privacy, energy, or safety needs.
What information do I need to provide for a quotation?
Prepare project quantity, destination port, opening dimensions, structural drawings, glass type, color and finish, hardware preference, screen requirement, and packaging needs. More configuration detail yields a more accurate quotation.
What about MOQ and delivery timeline?
Platform data references a common MOQ of approximately 2 square meters and roughly 25–35 days delivery. These are not confirmed for the E6N custom configuration — verify both before ordering.
Are performance certifications and test reports available?
E6N-specific water tightness, air tightness, sound insulation, thermal, and wind pressure ratings are not published. Buyers should request test reports, confirm classification standards, and verify applicable certifications for their target market.
Which size range applies to my order — local manual or export page?
The local manual lists 508–1000mm width, 600–2000mm height, 12sqm max fixed glass. The export page lists 510–850mm width, 595–2400mm height, 6sqm max fixed glass. Confirm which range governs your order.
