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Types of UPVC Door Handles It is essential to select the correct replacement Upvc handle for your home when your upvc handles need replacing. Locksmiths can provide and install high-security uPVC 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 ensure that your new uPVC handle will fit. Lever/Lever A lever is a solid bar pivoted around a point (known as a Fulcrum). When you apply force to the end, the fulcrum will move in the direction of the force is applied. 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 were to apply directly to the load. The distance between the fulcrum and the place where you apply the force determines the distance the lever can be moved. This is known as the mechanical advantage. The greater the length of the lever, the larger the mechanical advantage. You can calculate the advantage by dividing the distance from the fulcrum to the point at which you're applying the force by the distance between the fulcrum and the end of the lever. Levers can also have a variety of effects depending on how the forces are applied. A lever of class 2 for instance is prone to turning in the opposite direction when an effort force is applied. If you push on the door handle, the forces will produce rotational effects similar to this. However, levers don't create energy. Levers increase the force by making small amounts of effort applied over a lengthy distance into larger amounts of force applied over smaller distances. This is what allows you to do more work in less time, and that is why levers are often employed to lift heavy objects or moving large quantities of cargo. The lever principle is utilized in everyday tools like crowbars. Hammer claws, fishing rods and your own legs, as you are standing on the hand brake of your car. Lever/Pad Lever pad handles, also referred to as upvc door handles, have levers on each side to operate the multipoint locks. They are available in various finishes and designs and can be used on a variety of materials, including UPVC doors, Aluminium doors & Timber Doors. They are sold in pairs for the outer and inner door with spindles & screws included. They are also available in hand and unhandled versions for different users. These locks can be used to replace an existing upvc door. The levers are lifted to open the multipoint locks, and the key is turned to lock or close the door. They provide additional security when compared to standard lever door handles as the locking operation can only be gained via the inside using an open key, unless the door is locked. They are not as safe as a cylinder lock but they're an affordable way to provide extra security to your home. The only downside is that they don't offer the same level of protection as a cylinder bolt, and therefore won't prevent access from outside if the door has been left open. The majority of lever pad upvc door handles we stock are made by the industry's leading manufacturers and therefore will be manufactured with good quality components. They are also typically supplied with a manufacturer's guarantee. They are typically designed to work with the 92mm lock or a replacement model called a Paddock Lock. They will feature a 92mm cylinder center on the inside and 62mm on the outside and be equipped with two spindle followers. Some come with a backplate in place, while others can be removed to accommodate different fixing centers. Lever/Snib Lever latches are the simplest type of door handles. The lever is pulled down to open a latch inside the door that can be locked with keys. Some lever privacy handles work similar to the doorknob, however with an additional snib, which is similar to a doorknob. A snib can be a extremely useful tool, particularly in homes where security and privacy are important. You can use the snib handle to stop your partner from entering until they are prepared. This type of handle can also be used on interior doors such as those in bedrooms where you wish to limit access from outside. In some cases the snib button can cause problems, especially when you have doors and locks that are bent. If the snib is used in a mistake or by someone who isn't used to it, the door can slam shut and shut you out. Usually, you can still gain entry by knocking on the door frame or the letterbox, but this isn't a good idea. If your uPVC door is equipped with a snib-button it is recommended to replace the handle with an modern E-LOK 7-Series smart lock. www.repairmywindowsanddoors.co.uk can be retrofitted over pull handle kits with double turns and come with cover plates to hide existing holes, to ensure a seamless installation. The E-LOK utilizes a smart app to enable you to unlock the door with mechanical keys or RFID cards and can be configured with passcodes to ensure security and convenience. The system has been tested for 200,000 cycles in order to ensure its durability. The handles themselves are made with a solid-metal construction and are BS EN 1670:2007 Grade 5 for corrosion resistance. Lever/Moveable Pad This is a very popular handle design for front doors that has the benefit of stopping the door from being opened from the outside without a key if the lock is not deadlocked. This is achieved by a 'pad' shaped external handle that locks into the gap between the handles and lock case to stop the latch from being withdrawn or the door being opened. This kind of handle is designed for uPVC doors fitted with multipoint locks that operate with a split spindle operation. This kind of operation requires the lever handle as well as the external pad handle to be mounted to the same lock case. This can be a simple switch from the current uPVC handles, but it might also require a change to the lock case or a brand new set of handle furniture to allow this added functionality. These aluminum levers and movable pad door handles are ideal for uPVC doors and feature an easy to maintain slide bearing fixing lugs, spring cassettes, and fixing lugs supplied. These handles feature a cut-out for a euro-profile, and can be installed on a variety of uPVC or timber doors. Lever moveable pads are available in a variety of finishes and fit many different multipoint locks. They are designed to work with split spindle locks which have a centre cylinder of 92mm and require a specific set of split spindles supplied by the manufacturer of the lock. These Hoppe London lever moveable pad handle 77G/3831N/113 is made of cast aluminum with an anodized finish that's scratch-resistant and resistant to corrosion. They are compatible with many other Hoppe products, including patio door handles, french door handles, and window handles and come complete with a security escutcheon. Lever/Moveable Snib The lever/lever handles are one of the most popular kinds of upvc door handles. They come in many designs. It is comprised of two inline handles that can be moved and is lockable with either a key or thumbturn cylinder on the inside. A pad handle can be used as an alternative to lever or lever handles. It is comprised of one that is fixed or moveable which can be used to operate the lock. These Fullex handles are sprung lever pad with a snib that can be turned on to secure the latch. Choosing the right replacement upvc door handles requires careful analysis of the PZ measurement, screw centres and back plate length to ensure that the new handle will be a good fit and work correctly with the locking system already installed on your doors. You can use our online measurement guide to help you take these measurements, so that you're sure that your new upvc handles will be an ideal fit. We offer free delivery on all orders. Alternatively, you can pick up your order at our store for no cost. Orders placed by 11am will be ready for collection the next day.