Ball Bearing Hinge If we said that ball-bearing hinges are among the most durable on the market, we wouldn't be wrong. The primary purpose of this hinge type is to support doors that are heavy and wide. Just as we mentioned, you will typically find a ball bearing between the two separate knuckles.
COMMERCIAL GRADE HEAVY-DUTY (LL)– doors falling in the low-frequency category that weigh up to 1000 lb must use the HD hinges, along with additional fastener holes. We recommend using rivnuts in the door and frame if the door is complete, extremely heavy or taller than the average doors.
Ball Bearing Hinges: These hinges feature small ball bearings between the knuckles, which help to distribute the weight of the door evenly.
Gate Width and Weight
If your door is relatively large and heavy, you may want to look at heavy-duty, weld-on, or pintle hinges. For lighter gates, consider a strap, butt, or barrel hinge. Hinges list their load capacity in the product description, which tells you how much weight they can support.
Ball Bearing Hinge
If we said that ball-bearing hinges are among the most durable on the market, we wouldn't be wrong. The primary purpose of this hinge type is to support doors that are heavy and wide. Just as we mentioned, you will typically find a ball bearing between the two separate knuckles.
Typical weight capacity of T Hinges
For example, aheavy-duty steel 6-inch T hinge might support up to 100 pounds per hinge, while astandard 7-inch T hinge might support 55 pounds.
Grade 13 Fire Hinge's can be used on 30 minute and 60 minute fire rated doors conforming to CE 1121 BE EN 1935 Grade 13. It is usual for three Grade 13 fire hinges to be fitted on doors; their positioning is determined by the size, weight and construction of the door and its intended use.
The Parliament Hinge is designed for doors which need to fold back on themselves creating the maximum possible opening through a doorway.
Ball Bearing Hinges
They're a good choice for particularly heavy doors.
While traditional door hinges are typically used to connect standard indoor and outdoor doors to an adjacent frame, strap hinges are used for heavier doors as well as gates. Strap hinges are designed with an emphasis on strength and stability, so they can withstand the weight of a heavy door or gate.
The thicker hinges will be stronger and carry more weight. Standard weight hinges commonly have two sets of ball bearings while heavy weight hinges have four ball bearings. The frequency of use or the size and weight or the door are important considerations when deciding which hinge weight to utilize.
Grade 7 Ball Bearing Hinge (Max Load 40kg). They have a CE mark and are Fire door rated. BS EN 1935 rated. Ball bearing hinges have always been very popular for their smooth operation, durability, long lasting design and ability to carry heavier loads than washered hinges.
Softness: Brass is a softer metal compared to steel, which may make brass hinges more susceptible to dents and scratches, particularly in high-traffic areas.
Blum 100 Degree Hinge. These hinges allow the cabinet door to open 100 degrees enabling easy access to the stored contents within. Constructed from metal alloy finished with a durable nickel coating and compatible with all mounting plates in Blum's Clip Top range.
Butt Hinges
They consist of two plates, known as leaves, which are joined together by a central pin. Used predominantly in doors, gates, and cabinets, these hinges are incredibly robust and durable. Their simplicity in design means fewer moving parts, leading to less wear over time.
This range of door hinges are Grade 11 fire rated under BS EN 1935, have been tested to 200,000 cycles and can hold interior doors that weigh up to 80kg. These products have been fire-tested for an hour on timber doors.
We recommend ball bearing hinges as the strongest type of hinge, and most suitable for heavy doors. Unlike standard hinges, they have a ball bearing in between the knuckles. These take the stress off the knuckle and prevent the hinges sticking or squeaking, and allow for the door to open much more smoothly.
Made from materials like carbon steel or 304 and 316 grades of stainless steel, these hinges can easily withstand corrosion, moisture, and other environmental elements. As these hinges remain hidden behind the doors or gates, they are difficult to damage and tamper.
General rules to follow with Door Hinges
The top hinge should be located 150mm from the top of the sash, the bottom hinge should be located 150mm from the bottom of the sash, and the middle flag hinge should be positioned at an equal distance centrally between the top and bottom of the sash.
For most construction projects, including metal gates, butt hinges are the ideal option. They can work with a range of styles and have the potential to carry a good weight amount.
The easiest way to reinforce a gate is to attach a diagonal brace or tension rod connecting one of the hinges to the corner opposite. This equalizes the tension between each side of the gate.