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Types of UPVC Door Handles It is essential to select the correct replacement upvc handle for your home if handles are in need of replacement. Locksmiths can provide and fit high-security uPVC handles with added security features. The most important measurements to take are the measurement A (also called PZ) along with the length of the backplate. Make sure to check these measurements to make sure that your new uPVC handles will fit. Lever/Lever A lever is a solid bar that pivots around a central 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 applied force. This rotates the force and lets you lift or move things that would otherwise require more force to lift. The distance between the fulcrum of the lever and the point at which you apply force determines the most effective movement. This is known as the mechanical advantage. The more the lever extends more, the greater the mechanical advantage. You can calculate the advantage of mechanical by dividing the distance from fulcrum point to the place where you are applying force by the distance between fulcrum point and the end of lever. Levers can also have a variety of effects depending on how the forces are applied. A lever of class 2 for instance, has a tendency of rotating in the opposite direction when an effort force is applied. The forces generated by pushing the handle of a front door can produce rotational effects that are similar to these. However, levers don't create energy. Levers increase the force by converting small amounts of effort applied over a lengthy distance into larger amounts of force that are applied over shorter distances. This is what allows you to do more work in a shorter period of time, which is why levers are commonly employed to lift heavy objects or moving large quantities of cargo. This is also the reason behind the levers you find in a variety of everyday tools such as crowbars, fishing rods, hammer claws and even your legs when you sit on the hand brake of your vehicle. Lever/Pad Lever pad handles, also referred to as upvc door handles, have levers on each side to operate the multipoint locks. They come in a variety of designs & finishes and are suitable for a range of materials, including UPVC, Aluminium & Timber doors. They are sold in pairs for the outer and inner door with spindles & screws included. They are available in hand- and non-handled versions to meet the needs of different users. These are often used for new constructions and can be installed to replace doors made of upvc. The levers are lifted to open the multipoint locks and the key is turned to lock or close the door. They provide additional security in comparison to lever handles for doors as the locking operation is only accessible from the inside with a key unless the door is deadlocked. They are not as safe as a cylinder lock, however they are an affordable way to increase the security of your home. The only disadvantage is that they do not offer the same level of protection as a cylinder bolt, and therefore won't prevent access from outside when the door is left open. The majority of lever pad upvc door handles we have in stock are manufactured by the top manufacturers in the industry and are constructed using high quality components. They are also typically supplied with a manufacturer's guarantee. Typically, they will be designed to be compatible with a 92mm lock or the replacement version of this called a Paddock lock. They will have a 92mm cylinder centre on the inside and 62mm on the outside. They will also come with two spindle followers. Some are inserted into the back plate whilst others can be removed to allow for different fixing centres. Lever/Snib Lever latches are the most basic of all door handles, are used. By pressing down on the lever, it operates a simple latch mechanism inside to keep the door shut, and can be locked with a key. Certain lever privacy handles work using the same principle however, with the addition of an lock snib (like the doorknob). A snib button is very useful, especially for homes where it's important to ensure privacy or security. You can use the snib button to stop your guest from entering until they are ready. This type handle can also be used for doors in the interior, like those in bedrooms where you want to restrict access from outside. In certain situations the snib button can cause issues, especially when you have doors and locks that are distorted. If the snib is applied in a mistake, or by a person who isn't accustomed to it, the door can slam shut and shut you out. In most cases, you can gain entry by knocking on the door's frame or letterbox, but this isn't ideal. If your uPVC has a snib we recommend replacing it with a smart lock from the E-LOK 7 Series. These can be retrofitted over pull handle kits with double turns and are available with cover plates to hide existing holes for a seamless install. The E-LOK application can be used to open doors using RFID cards or a mechanical keys. Passcodes are also available to ensure security and convenience. The system is tested to 200k cycles to ensure durability. The handles are constructed of solid metal and comply with BS EN 1670 Grade 5 for corrosion resistance. Lever/Moveable Pad This is a popular handle style for front doors. It comes with the advantage of keeping the door from being opened by the outside without a key if the lock isn't deadlocked. This is achieved by using the 'pad-shaped' handle that locks into the gap between the handle and lock case. This type of handle is designed to fit uPVC doors with multipoint locks that operate with a split spindle operation. This kind of operation requires that the internal lever handle and external pad handle are both fitted to the same lock case. This can be a simple switch from the current uPVC handles but it may also require changing the lock case or a new set of handle furniture to allow for this additional function. These aluminum levers and movable pads door handles are able to be used on uPVC and feature an easy-to-maintain slide bearing. They also come with fixing lugs spring cassettes, and a non-stick slide bearing. They feature a euro-style cut out and are installed to a variety of uPVC and timber doors. Lever moveable pads are available in a variety of finishes and suit many different multipoint locks. They are designed for use with split spindle locks which have a centre cylinder of 92mm 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 made from cast aluminium with an anodised finish which is resistant to corrosion and high scratch resistance. These handles can be used conjunction with many other Hoppe products, such as patio door handles. french door handles, and window handles . They also include an escutcheon for security. Lever/Moveable Snib The lever/lever handle is among the most popular kinds of door handles made of upvc and comes in a variety of designs. It consists of two inline handles that move and is lockable with either a key or thumbturn cylinder that is inside. A pad handle can be used as an alternative to lever/lever handles. It is made up of a fixed or moveable pad which can be used to operate the lock. These Fullex handles feature a spring lever pad and a snib which can be activated in order to secure the latch. Choosing the right replacement upvc door handles requires careful consideration of the PZ measurement, screw centres, and back plate length to ensure the new handle will be a good fit and work with the locking system already installed on your doors. You can use our online measuring guide to assist you in taking these measurements, so that you're certain that the new handles will be an ideal fit. We offer free delivery on all orders. Alternatively, you can pick your order up at our store for no cost. Orders made before 11 am will be ready to pick up the next day.