PetSafe Large Dog Flap 640 | Heavy Duty Aluminium Frame

PetSafe® Staywell® Aluminium Pet Door (Model 640) – Heavy Duty Access for Large Dogs

Give your dog the independence they deserve with the highly durable PetSafe® Staywell® Aluminium Pet Door (640). Designed as a practical and elegant solution for your home, this heavy-duty dog flap is built to withstand the energetic lifestyle of large dogs weighing up to 45kg.

Featuring an extra-strong aluminium frame, this door provides superior stability compared to standard plastic flaps. The flexible, lightly tinted flap is designed to be particularly quiet, ensuring your dog can come and go without causing noisy disruptions. Thanks to the integrated 2-way closure system, you always remain in control—simply slide the locking plate into place when you want to keep your pet safely indoors or secure your home for the night.

Key Benefits & Features

• Extra Strong Construction: The premium aluminium frame delivers exceptional durability and an elegant look, easily handling the daily wear and tear of large, active dogs.
• Quiet & Flexible Flap: Features a soft, slightly milky-tinted flap that operates smoothly and quietly, preventing loud banging noises when your pet enters or exits.
• 2-Way Security Lock: The versatile 2-way closure system allows you to easily switch between free entry/exit and fully locked, giving you total control over your pet's movements.
• Designed for Large Dogs: Specifically engineered for large breeds, comfortably accommodating dogs with a maximum shoulder width of 260mm and weighing up to 45kg.
• Peace of Mind: Backed by a reliable 3-year manufacturer's guarantee for lasting confidence in your purchase.

Product Specifications

• Brand: PetSafe®
• Model/Code: Staywell® 640
• Material: Heavy-duty Aluminium frame with flexible plastic flap
• Maximum Dog Weight: Up to 45 kg
• Maximum Shoulder Width: 260 mm
• Overall Dimensions: 502.6 x 329.1 mm
• Cut-Out Size: 451 x 277 mm
• Flap Opening: 413 x 260 mm
• Installation Thickness: Fits doors and walls up to 51 mm thick (minimum 8 mm if excess aluminium tunnel is removed)
• Frame Depth (Inside with closing plate): 21 mm
• Frame Depth (Inside without cover plate): 8.5 mm
• External Depth: 4.6 mm

Installation Tip: When measuring your dog to ensure a proper fit, mark their shoulder height on your door before making any cuts. The top of the flap opening should sit roughly 5cm above your dog's shoulders so they do not have to crouch excessively when passing through.