Avocet UPVC Door Flag Hinge MT3D Mini Triad

Avocet MT3D Mini Triad Flag Hinge - 85mm 3D Adjustable Flag Hinge for uPVC Double Glazing Doors

Upgrade your uPVC door performance with professional adjustability and reliability.

Avocet MT3D Mini Triad Flag Hinge has 3 way adjustability for inward and outward opening uPVC doors, made from zinc alloy with premium finish options in white, chrome and brown. Reversible flag hinge for rebate heights 12-16mm (extends to 19mm with packers) for precise door alignment and performance.

Built to last with 100,000 operations and load tested to 100kg across 3 hinges. The 3D adjustment system allows DIYers to achieve professional results without the need for an engineer callout and ensures perfect door operation for inward and outward opening doors.

Key Benefits:

• Universal Door Compatibility – Reversible design suits both inward opening doors and outward opening doors, providing installation flexibility for any uPVC door configuration without requiring handed-specific variants.
• Professional 3D Adjustment System – Three-way fully adjustable mechanism enables precise vertical, horizontal, and compression adjustments using simple allen key tools, ensuring perfect door alignment and eliminating common installation frustrations.
• Premium Material Construction – Manufactured from robust zinc alloy with stainless steel pins, delivering superior strength and corrosion resistance that outperforms standard mild steel alternatives in demanding weather conditions.
• Flexible Rebate Accommodation – Designed to suit rebate heights from 12-16mm with optional extension to 19mm using provided packers, ensuring compatibility with various uPVC door frame configurations and double glazing systems.
• Commercial-Grade Durability – Endurance tested to 100,000 operations and load tested to 100kg capacity across three hinges, providing residential reliability that matches commercial performance standards.
• Superior Finish Protection – Multiple finish options including PVD chrome coating and powder coating (white/brown) meet BAS EN 1670 grade 5 requirements, withstanding 500 hours salt spray testing for long-lasting appearance.
• Compact Mini Profile – 85mm width design provides full functionality while maintaining aesthetic appeal, perfect for modern uPVC door installations where space efficiency and visual elegance matter.
• DIY-Friendly Installation – Clear adjustment guidelines and comprehensive drilling specifications eliminate guesswork, enabling confident DIY installation without specialist tools or professional assistance.
• Enhanced Security Design – Flag hinge construction prevents external removal while maintaining smooth operation, contributing to overall door security without compromising daily functionality.
• Weather Seal Optimisation – Precise compression adjustment ensures optimal weather seal contact, reducing draughts and improving energy efficiency while maintaining smooth door operation throughout all seasons.

Product Specifications:

• Brand: Avocet
• Model: Mini Triad (MT3D Mini Flag Hinge Range)
• Material: Premium zinc alloy construction with stainless steel pins for maximum durability
• Finish Options: White, Chrome, Brown (PVD chrome coating/powder coating to 60 microns minimum)
• Type: Flag hinge with MT3D mini sub-type for enhanced adjustability
• Dimensions: 85mm width × 86mm height × 33mm depth (3.38in hinge length)
• Suitable For: uPVC door types, both inward opening doors and outward opening doors
• Rebate Compatibility: 12-16mm (extends to 19mm with packers provided)
• Adjustment: Reversible, 3-way fully adjustable system
• Load Capacity: 100kg tested capacity across three hinges
• Durability Rating: 100,000 operation endurance tested
• Corrosion Protection: BAS EN 1670 grade 5 (500 hours salt spray resistance)
• Items Included: 1 × hinge (Screws not supplied)

Please refer to the measurement diagram in the listing gallery for precise screw fixing centres and drilling specifications.

Pro Tips:

Pro Tip: When installing this reversible flag hinge, start with 1-2 full allen key rotations for initial positioning, then fine-tune the compression adjustment to achieve optimal weather seal contact. The zinc alloy construction allows for repeated adjustments without thread wear, making it perfect for seasonal fine-tuning as your uPVC door settles. For rebate heights approaching 19mm, use the provided packers to maintain proper hinge geometry and ensure smooth operation.

Package Contents:

• 1 × Avocet MT3D Mini Triad Flag Hinge
• Adjustment packers (for extended rebate height compatibility)
• Technical specification guide

Note: Screw fixings are not supplied. Please refer to the drilling diagram in the gallery for recommended fixing specifications.

Frequently Asked Questions:

Will this reversible hinge work with my specific uPVC door configuration?

Yes! This flag hinge is designed for universal compatibility with both inward opening doors and outward opening doors. The reversible design eliminates the need to specify left or right handed variants, while the adjustable rebate accommodation (12-16mm, extends to 19mm with packers) is compatible with most uPVC door types and double glazing systems. The zinc alloy construction provides the strength for both light and heavy duty uPVC door installations.

How difficult is the 3-way adjustment process for DIY installation?

The 3 way fully adjustable system is designed for DIY success. Using standard allen keys you can make vertical, horizontal and compression adjustments without specialist knowledge. The zinc alloy material maintains precise tolerances so the adjustment is smooth even after extended use. Start with the initial positioning then fine tune in small increments until your door operates perfectly. The robust construction means you can make seasonal adjustments as needed without compromising the hinge.

What’s the difference between the finishes and which one should I choose?

he white and brown finishes have powder coating to 60 microns minimum thickness, perfect for traditional uPVC door frames. The chrome finish has PVD coating for superior durability and modern look. All finishes meet BAS EN 1670 grade 5 requirements, 500 hours salt spray resistance. Choose based on your door’s existing hardware - white for classic uPVC, brown for wood effect frames or chrome for modern installations where premium look is required.

Can this mini triad hinge handle heavy uPVC doors with multiple glazing?

Yes, the MT3D mini flag hinge is load tested to 100kg across 3 hinges, suitable for heavy uPVC doors including triple glazed units. The zinc alloy construction and stainless steel pins provide commercial grade strength, 100,000 operation endurance testing ensures long term reliability even with frequent use. The 85mm width profile doesn’t compromise on strength, full performance in a space saving design perfect for modern double glazing applications.

Why Choose Avocet MT3D Mini Triad Flag Hinge?

When your uPVC doors demand precision, durability and professional results the Avocet MT3D Mini Triad delivers uncompromising quality that turns everyday door operation into smooth performance. This premium zinc alloy hinge is the perfect combination of engineering and functionality, your investment in quality hardware will pay back through years of smooth trouble free operation. Trust in Avocet’s reputation for innovation and choose the flag hinge solution that professional installers recommend for discerning homeowners who won’t compromise on quality.