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Types of UPVC Door Handles When your upvc door handle needs replacing it's essential to choose the correct replacement for your home. A locksmith can supply 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 your new uPVC handles will fit. Lever/Lever A lever is a rod that pivots around the point. When you apply force to the end of the bar, the fulcrum is likely to move in the direction of the force is applied. This rotates the force and allows you to lift or move objects that would otherwise require more force to lift. The distance between the fulcrum to the point 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 more, the greater the mechanical benefit. You can calculate the mechanical advantage by dividing distance from the fulcrum point to the place where you apply force by the distance between the fulcrum's point and the end of lever. door handles repairmywindowsanddoors can have a variety of effects based on how forces are applied. For instance the class 2 lever is inclined to turn in the opposite direction to when the force applied to it (like a totter-totter). If you push the door handle, the forces will produce the same rotational effects as this. However, levers don't create energy. Levers multiply the force by changing small amounts of effort applied over a longer distance into larger amounts of force applied over smaller distances. Levers are used to lift heavy objects and move huge amounts of cargo. This is also the basis behind levers found in many everyday tools such as crowbars, fishing rods hammer claws and even your own legs when you stand on the hand brakes of your car. Lever/Pad Lever pad handles are a kind of door handle made of upvc that have levers on both sides that operate the multipoint lock. Lever pad handles are available in various finishes and designs and can be used on a wide range of materials that include UPVC doors, Aluminium doors & Timber Doors. They are sold in pairs for both the outside and the interior doors with screws and spindles included. They are also available in hand and unhandled versions to suit different types of users. They can be used to replace an existing upvc door. They are typically operated by lifting the levers to throw out all of the multipoint locks and turning the key to close and unlock. They provide a bit more security than standard lever door handles since locking can only be performed by the inside using a key. They are not as secure as a cylinder bolt however they are a cost-effective alternative to add security. The only drawback is that they don't have the same level of security as a cylinder bolt and therefore won't prevent access from outside in the event that the door has been left open. The majority of lever pad upvc door handles we stock are made by the top manufacturers in the industry and are made from high quality components. In general, they come with a manufacturer's guarantee. They are typically designed to work with the 92mm lock, or a substitute version known as the Paddock Lock. They will have a 92mm centre cylinder on the inside and 62mm on the exterior and be fitted with 2 spindle followers. Some come with the backplate, and others are movable to accommodate different fixing centers. Lever/Snib Lever latches are the simplest kind of door handles. The lever is pushed down to open a latch inside the door that can be locked with a key. The levers for privacy are using the same principle but with the addition of a Snib (like a doorknob). A snib-button can be extremely useful, particularly for homes where it's important to protect privacy or ensure security. You can use the snib button to block your guests from entering the home until they are prepared. This type handle can also be put in on interior doors such as those in bedrooms where you wish to limit access from outside. Snib buttons can cause issues in some cases, especially when you have old locks and warped doors. If the snib button is accidentally pressed, or by a person who isn't familiar with it, the door may be slammed and you locked out. In most cases, you can get in by knocking on the door's frame or letterbox, but this isn't a good idea. If your uPVC has a snib we recommend replacing it with an electronic 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 makes use of a smart application to enable you to unlock the door with RFID cards or mechanical keys, and can be configured with passcodes for safe entry and convenience. The system is tested to 200,000 cycles to ensure long-term 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 well-known handle design for front doors. It comes with the advantage of keeping the door from opening from the outside without keys if the lock isn't deadlocked. This is accomplished by a 'pad' shaped external handle that locks in the gap between the handles and lock case to stop the latch from being removed or the door being opened. This handle is designed to work with uPVC multipoint locks that use split spindle mechanisms. This type of operation requires the internal lever handle and the external pad handle to be installed on the same lock case. This can be a simple replacement of the current uPVC handle, however it could also require a change in the lock case or a new set of handles to handle furniture. These levers/movable pad handles are suitable for uPVC doors and come with an easy to maintain slide bearing, spring cassettes, and fixing lugs included. They have a euro profile cut out and are installed to a variety of uPVC and timber doors. Lever moveable pads are offered in a variety of finishes and fit many different multipoint locks. They are designed to work with split spindle multipoint locks that have a 92mm cylinder centre and require a separate split spindle set that is supplied by the lock manufacturer. These Hoppe London 77G/3831N/113 lever moveable pad handles are manufactured from cast aluminum with an anodised finish which is corrosion resistant and has high scratch resistance. They can be used in conjunction with many other Hoppe products like patio door handles, french door handles and window handles. They come with an escutcheon for security. Lever/Moveable Snib The lever handle is one of the most popular kinds of door handles made from upvc and comes in a range of designs. It is comprised of two inline handles that can be moved and locked with a thumbturn cylinder or keys. Pad handles are an alternative to a lever or lever handle. It is made up of an adjustable or fixed pad that can be used to operate the lock. These Fullex handles have a spring-loaded lever pads with snibs that can be activated to stop the latch from closing. 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 function properly with the existing locking system on your doors. Our online measuring guide will assist you to measure these parameters to ensure that the new upvc handle fits perfectly. All orders are eligible for free delivery or you can take your order to the store. Orders placed before 11am will be ready to pick up the next day.