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Types of UPVC Door Handles If your upvc door handle needs replacing it's essential to find the best replacement for your home. Locksmiths can provide and install high-security uPVC handles with added security features. The most important measurements are measurement A (known as PZ) and the length of the backplate (measurement F). Please 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 towards the end, the fulcrum is likely to turn in the direction the force is applied. This rotation multiplies the applied force, allowing you to lift or move something that would require a greater amount of force if you were to apply it directly to the load. The distance between the fulcrum and the point where you apply the force determines how far the lever can move. This is known as the mechanical advantage. The advantage in mechanical terms increases when the lever is extended. 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 also have various effects based on how the forces are applied. For example, a class 2 lever has a tendency to turn in the opposite direction as the force applied to it (like a teeter-totter). The forces created when you push on the handle of a front door can result in rotational effects similar to those. However, levers don't create energy. They simply multiply the force you exert by making a small amount effort across a large distance into a larger amount of force applied over a shorter distance. This allows you to do more work in less time, and it is why levers are often used for lifting heavy objects or moving large quantities of cargo. The lever principle is also utilized in everyday tools like crowbars. hammer claws, fishing rods and your own legs when you are standing on the hand brake of your car. Lever/Pad Lever pad handles, also known as upvc door handles have levers on each side to operate the multipoint locks. They are available in a variety of variations & finishes and can be used with a variety of materials including UPVC, Aluminium & Timber doors. They are sold as a pair for the inner and outer door, with screws and spindles included. They are also available in handed and unhandled versions for different types of users. These are often used for new constructions and can be used to replace the existing doors made of upvc. They are usually operated by lifting the levers to throw all of the multipoint locks and turning the key to close or unlock. They are more secure in comparison to standard lever door handles as the locking operation can only be accessed from the inside with an open key, in the event that the door is locked. They are not as secure as a cylinder bolt but are an affordable alternative to add security. The only downside is that they do not offer 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 the lever pad upvc door handles we have in stock are manufactured by the top manufacturers in the industry and are made from high quality components. They are also typically supplied with a manufacturer's warranty. These are usually designed to work with the 92mm lock, or a substitute version known as the Paddock Lock. They will feature a cylinder with 82mm diameter on the inside and 62mm outside. They also come with two spindle followers. Some are supplied inserted in the back plate, while others are removable to allow for different fixing centres. Lever/Snib Lever latches are the most basic of door handles are used. By pressing down on the lever, it triggers a simple latch mechanism inside the door to keep it closed, which can be locked with the use of a key. Some lever privacy handles operate similar to the doorknob, however with an additional knob, similar to the doorknob. A snib-button can be very useful, especially for homes where it's crucial to ensure privacy or security. You can use the snib feature to block your partner from entering until they are ready. This kind handle is also used in doors that are inside, such as bedrooms, where you might need to restrict access from outside. In certain situations, snib buttons can cause problems, particularly in the case of older locks and doors that are bent. If the snib switch is accidentally pressed or by someone who is not familiar with it, the door could be slammed and you locked out. You can usually gain entry by knocking on the door frame or the letterbox. However this isn't the best option. If your uPVC has a snib we recommend replacing it with a smart lock from the E-LOK 7 Series. These smart locks can be retrofitted to double-turn pull handle kits. They are available with coverplates that conceal the holes in the existing ones to make it an easy installation. The E-LOK application can be used to open doors with RFID cards or mechanical keys. Passcodes are also offered for convenience and security. The system has been tested for 200,000 cycles 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. It comes with the benefit of preventing the door from being opened from outside without keys if the lock isn't deadlocked. This is achieved with the 'pad-shaped' handle that locks into the gap between the handle and lock case. This kind of handle is made for uPVC doors with multipoint locks that operate using split spindle operations. This type of operation requires that the internal lever handle and the external pad handle be attached to the same lock case. It could be a simple replacement of the current uPVC handle, however it may also require a new lock case or a new set to handle furniture. These levers/movable pad door handles are ideal for uPVC doors. They feature a slide bearing that is maintenance-free, spring cassettes, and fixing lugs included. These handles have a cut-out for a euro-profile, and can be mounted on a variety of uPVC or doors made of timber. The lever moveable pad is available in various designs to fit a broad variety of multipoint locks. They are specifically designed to be used with split spindle locks with an 92mm centre cylinder and require a special set of split spindles provided by the manufacturer of the lock. These Hoppe London 77G/3831N/113 lever moveable pad handles are manufactured from cast aluminum with an anodised surface that is corrosion resistant and has high scratch resistance. These handles can be used in combination with other Hoppe products, such as patio door handles. french door handles, and window handles for windows. They also come with a security escutcheon. Lever/Moveable Snib Lever handles are among the most common types of upvc doors handles. They are available in various designs. It is comprised of two inline handles that can be moved and locked with a thumbturn cylinder or keys. Pad handles can be used as an alternative to lever/lever handles. It consists of either an adjustable or fixed pad that can be used to operate locks. These Fullex handles are sprung lever pads that have a snib that can be triggered to secure the latch. Choosing the right replacement upvc door handles requires careful evaluation of the PZ measurement, screw centres and the back plate length to ensure that the new handle will fit and work with the lock system you have on your doors. Our online measuring guide will assist you to take these measurements to ensure that your new upvc door handle will fit perfectly. We offer free delivery on all orders. Alternatively, you can pick up your order at our store for no cost. Orders made before 11am are ready to be collected on the same day.