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Types of UPVC Door Handles If your upvc door handle requires replacement, it is essential to find the best replacement for your home. Locksmiths can supply and install high-security uPVC door handles that come with additional security features. The most important measurements are measurement A (known as PZ) and the length of the backplate (measurement F). Make sure to check these measurements to make sure that your new uPVC handles will fit. Lever/Lever A lever is a rigid bar that is pivotally positioned around a point (known as a Fulcrum). When you apply force to the end of the lever, it will tend to rotate the fulcrum in the direction of the force. This rotates the fulcrum, increasing the applied force which allows you to lift or move something that would require a greater amount of force if you attempted to apply directly to the load. The distance between the fulcrum of the lever and the point at which you apply force determines the maximum movement. This is known as the mechanical advantage. The more the lever extends, the larger the advantage in terms of mechanical. You can calculate the mechanical advantage by dividing distance from fulcrum point to the point at which you are applying force by the distance between the fulcrum's point and the end of lever. Levers can produce different effects depending on the way the force is applied. For instance the class 2 lever is inclined to turn in the opposite direction as the force applied to it (like a T-totter). If you press on the door's handle, the forces will produce similar rotational effects to this. However, levers don't create energy. They simply multiply the force you apply by changing a small amount of effort over a large distance into a greater amount of force applied over a shorter distance. Levers are used to lift heavy objects and transport large amounts of cargo. The principle of the lever is also employed in everyday tools such as crowbars. hammer claws, fishing rods and your own legs when you stand on the hand brake of your car. Lever/Pad Lever pad handles, also known as upvc door handles feature levers on both sides to operate the multipoint locks. They come in a variety of designs and finishes, and are suitable for a variety of materials, including UPVC, Aluminium & Timber doors. They are sold in pairs for the inner and outer door with spindles & screws included. They are available both hand and unhandled versions to accommodate different types of users. These can be used to replace existing upvc door. The levers are lifted to open the multipoint locks, and the key is turned to close or unlock the door. They provide a bit more security than standard lever door handles, as the locking can only be done by the inside using keys. They are not as safe as a cylinder lock but they are an affordable way to increase the security of your home. The only downside is that they don't have the same level of protection as a cylinder bolt and therefore won't prevent access from outside in the event that the door has been left open. We have a wide selection of lever pad upvc handles that are produced by the top manufacturers in the field. They are made from high-quality components. They also come with a manufacturer's guarantee. Typically, they will be designed to work with a 92mm lock or the replacement version of this called a Paddock lock. They will have a 92mm centre cylinder on the inside and 62mm on the exterior and be equipped with two spindle followers. Some are fitted with the back plate whilst others are removable to allow for different fixing centres. Lever/Snib Lever latches are the simplest type of door handles. The lever is pushed down to open a latch inside the door. It can be locked using a key. Some lever privacy handles operate based on this same principle but with the addition of an Snib (like a doorknob). A snib is a very useful tool, especially in homes where privacy and security are important. If your partner is arriving home late from work, you can apply the snib to ensure they won't be able to enter until they're ready to come in. This kind handle can also be used for doors in the interior, like those in bedrooms where you want to restrict access from outside. Snib buttons may cause problems in certain situations, particularly when you have old locks and warped doors. If the snib button is accidentally pressed by a person who isn't familiar with it, the door may be slammed and you locked out. You can usually gain entry by knocking the door frame or the letterbox. However this isn't a good idea. If your uPVC door is equipped with a snib-button it is recommended to replace the handle with a modern E-LOK 7-Series smart lock. These can be retrofitted over double turn pull handle kits and are available with cover plates that hide existing holes, to ensure a seamless installation. The E-LOK app can be used to unlock doors using RFID cards or a mechanical key. Passcodes are also offered to ensure security and convenience. The system is tested to 200 000 cycles to ensure long-term durability. The handles themselves are constructed with a solid metal construction and are BS EN 1670:2007 Grade 5 for resistance to corrosion. Lever/Moveable Pad This popular handle design is commonly used on front doors. It is advantageous because it has the benefit of preventing the door being opened without an outside key in the event that the lock has not been deadlocked. This is achieved by an external 'pad' handle which locks in the gap between the handles and the lock case to stop the latch from being withdrawn or the door opened. This kind of handle is made for uPVC doors with multipoint locks which operate via split spindle operations. This kind of operation requires that the lever handle and the external pad handle are both fitted to the same lock case. This can be a simple modification to the existing uPVC handles, but it could also require changing the lock case or a new set of handle furniture to allow this additional function. These aluminum levers and movable pad handles are suitable for uPVC doors. They feature a maintenance free slide bearing as well as spring cassettes and fixing lugs supplied. These handles feature a cut-out for a euro-profile, and can be fitted to many uPVC or doors made of timber. Lever moveable pads are offered in a variety of finishes to can be used with a variety of multipoint locks. They are specifically designed to be used with split spindle locks which have an 92mm centre cylinder and require a special set of split spindles that is supplied by the lock maker. These Hoppe London 77G/3831N/113 lever moveable pad handles are manufactured from cast aluminium with an anodised surface that is corrosion resistant and has high scratch resistance. They can be used in conjunction with various other Hoppe products like patio door handles, french door handles, and window handles and come complete with a security escutcheon. Lever/Moveable Snib The lever/lever handles are among the most commonly used types of upvc doors handles. They are available in a variety of designs. It is comprised of two handles that can be locked and moved using a thumbturn cylinder or the use of a key. A pad handle can be used as a substitute to lever/lever handles. It consists of either a fixed or moveable pad which can be used to operate locks. These Fullex handles have a spring-loaded lever pads with snibs that can be triggered to secure the latch. Selecting the best replacement door handles made of upvc requires careful analysis of the PZ measurement, screw centres and the back plate length to ensure the new handle will be a good fit and function properly with the lock system you have on your doors. You can use our online measuring guide to assist you in taking these measurements, so you're certain that the new handles will be a perfect fit. All orders are eligible to receive free delivery or you can pick up your order in-store. Orders made before 11am will be available for collection the same day.