NPD D Advanced Inward Tilt Turn System

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Product Description

Packaging & Delivery

Product Description

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Packaging & Delivery

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Product Description

Luoqi Door Systems

NPD-D
Advanced
Tilt Turn System

High-capacity Aluminum Alloy Hardware for heavy-duty window sashes. Delivering Premium Hardware Solutions through reinforced structural integrity and advanced mechanical leverage.

100 KG Maximum Load Rating

450-1000mm FB Width Compatibility

Advanced Loading
Professional System Stability

The NPD-D Advanced Inward Tilt Turn System is the reinforced flagship within the Luoqi Door Systems portfolio. Designed to meet the demands of oversized and heavy-glazed Window Hardware, it provides smooth tilting and turning operations for sashes weighing up to 100kg.

Built upon high-performance aluminum alloy Hardware principles, the NPD-D series caters to a wide range of widths (450mm to 1000mm). This system is particularly favored for Premium Hardware Solutions where architectural design requires larger glass surfaces without compromising on mechanical safety or long-term operational precision.

Structural Standards

◈ Reinforced Load Bearing Architecture
◈ Optimized FB Application Range
◈ High-Performance Seal Compression
◈ Vertical Security Point Protocol
◈ Precision Mechanical Synergy
◈ Static & Dynamic Load Verified

Engineering Data Matrix

Hardware Parameter	Technical Threshold	Requirement / Status
Sash Width (FB) Range	450 mm — 1000 mm	Operational Standard
Load Capacity	Below 100 Kg	Structural Limit
Window Height (FH)	Mandatory increase in locking points when FH exceeds 1500 mm	Security Protocol
Lock Point Interval	Suggested spacing within 700 mm	Precision Suggestion
Aspect Ratio (H/W)	Recommended maintain at 1.5 : 1	Geometric Standard

Deployment Excellence

Utilizing NPD-D for advanced Window Hardware requirements.

Extended Width Versatility

The NPD-D system provides a versatile application range for sash widths (FB) starting from 450mm up to 1000mm. This ensures consistent mechanical leverage across various residential and commercial window sizes.

Heavy-Sash Load Support

Optimized for heavy-duty profiles, the system safely supports a total load capacity of up to 100Kg, allowing for the integration of high-spec thermal glass units without stressing the Aluminum Alloy Hardware.

Vertical Integrity Control

For configurations where the window height (FH) is greater than 1500mm, the hardware logic requires an increase in the number of locking points to maintain frame-to-sash alignment and security.

Proportional Equilibrium

To preserve the service life of the transmission gear and hinges, maintaining a 1.5:1 height-to-width ratio is suggested to prevent unnecessary mechanical wear and ensure smooth operation.

Engineering & Maintenance Guidelines

To ensure the longevity of Luoqi Door Systems Advanced NPD-D components, the following professional configuration rules must be strictly observed.

◈ Optimal Point Spacing Strategy

For peak airtightness and acoustic performance, keep the distribution spacing of all lock points within 700mm. This allows for even compression force across the EPDM gaskets.

◈ Large Scale Security Protocol

When applying the NPD-D to high-exposure facades, always adhere to the FH > 1500mm locking point expansion rule to ensure the sash remains perfectly anchored against external wind pressure.