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Types of UPVC Door Handles When your upvc door handle requires replacement, it is essential to find the best replacement for your home. A locksmith can provide and install high-security uPVC door handles that have additional 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 your new uPVC handles will fit. Lever/Lever A lever is a rigid rod that pivots around an object. When you apply a force to the end of the lever, it tends to rotate the fulcrum to the direction of the force applied. This rotates the fulcrum, increasing the force applied which allows you to lift or move something that would require more force if you tried to apply it directly to the load. The distance between the fulcrum to the point where you apply the force determines the distance the lever is able to move. This is known as the mechanical advantage. The advantage in mechanical terms increases as the lever gets extended. You can calculate the advantage of mechanical by dividing distance from the fulcrum point to the place where you are applying force by distance between the fulcrum point and end of lever. Levers can have a variety of effects based on the method by which forces are applied. For example a lever of class 2 tends to rotate in the opposite direction as the force of effort is applied (like a totter-totter). The forces created by pushing the handle of a front door will create rotational effects similar to those. However, levers don't create energy. Levers multiply the force by changing small amounts of effort applied over a longer distance into greater amounts of force that are applied over shorter distances. This is what allows you to complete more work in a shorter amount of time, which is why levers are commonly used for lifting 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 brakes of your car. Lever/Pad Lever pad handles are a kind of door handle made of upvc that have levers on both sides to operate the multipoint lock. They are available in a variety of finishes & variations and can be used on a wide range of materials that include UPVC doors, Aluminium doors & Timber Doors. They are sold as a pair for the inner and outer door, with screws and spindles included. They are available in unhanded and handed versions to suit different users. These can be used to replace an existing upvc door. The levers are lowered to open the multipoint locks, and the key is turned to close or unlock the door. They provide additional security when compared to lever handles for doors as the locking operation can only be gained by entering the door with keys unless the door is deadlocked. They're not as secure as a cylinder bolt, but are a reasonable option to provide extra home security. The only downside is that they don't offer the same level of protection as a cylinder lock, and so don't prevent external access to the home when the door is left open. The majority of the lever pad upvc door handles we offer are manufactured by industry's leading manufacturers and therefore will be manufactured with good quality components. In general, they come with a manufacturer's guarantee. Typically, they will be designed to be compatible with a 92mm lock, or the replacement version known as 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 are inserted into the back plate, while others are movable to allow for different fixing centers. Lever/Snib Lever latches are by far the most simple type of door handles. Pressing down on the lever triggers a simple latch mechanism inside to keep the door closed, which can be locked using a key. Some lever privacy handles operate based on this same principle however, with the addition of an snib (like knobs for doors). A snib can be extremely useful tool, particularly in homes where privacy and security are important. You can use the snib feature to prevent your partner from entering until they are prepared. This kind of handle is also popular for interior doors such as bedrooms, where you may require a lock to prevent access from outside. Snib buttons can cause issues in certain circumstances, especially when you have old locks and warped doors. If the snib switch is accidentally pressed or by a person who isn't 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 is not ideal. If your uPVC has a snib, we recommend replacing it with a smart lock from the E-LOK 7 Series. They can be retrofitted to pull handle kits with double turns and are available with cover plates to conceal the holes that are already present, allowing to make it a seamless installation. The E-LOK application can be used to unlock doors with RFID cards or mechanical key. Passcodes are also offered for convenience and security. The system has been tested to 200,000 cycles to ensure long-term durability. The handles are constructed of solid metal and meet BS EN 1670 Grade 5 for resistance to corrosion. Lever/Moveable Pad This is a popular handle design for front doors. It has the benefit of stopping the door from being opened from the outside without keys if the lock is not deadlocked. This is accomplished by an external 'pad' handle which locks in the gap between the handles and the lock case to stop the latch from being removed or the door from being opened. This kind of handle is made for uPVC doors fitted with multipoint locks that operate with a split spindle operation. This kind of operation requires that the internal lever handle and external pad handle both be fitted to the same lock case. It is a simple change from the current uPVC handles but it may also require a change to the lock case or a new set of handle furniture to allow this additional function. These levers/movable pad handles are suitable for uPVC doors. They feature a maintenance free slide bearing, spring cassettes and fixing lugs supplied. These handles feature a cut-out for a euro-profile, and can be fitted to various uPVC or wood doors. The lever moveable pad is available in a variety of styles to match a wide selection of multipoint locks. They are designed to work with split spindle multipoint locks with an 92mm cylinder center and require a separate split spindle set that is supplied by the lock manufacturer. These Hoppe London lever moveable pad handle 77G/3831N/113 is made of cast aluminum with an anodized surface that is scratch-resistant and resistant to corrosion. These handles can be used in combination with a variety of other Hoppe products, such as patio door handles. french door handles and window handles. They also have an escutcheon for security. Lever/Moveable Snib The lever handles are one of the most popular kinds of upvc door handles. They are available in various designs. It is comprised of two inline handles that move and is lockable with either a key or thumbturn cylinder inside. Pad handles are an alternative to a lever or lever handle. It consists of an adjustable or fixed pad that can be used to control the lock. These Fullex handles have a spring-loaded lever pads that have a snib that can be triggered to stop the latch from closing. When choosing a replacement upvc handle, be sure to consider the screw centres, the back plate length and the PZ measurement. This will ensure that the handle will work with your existing locking system. window handles repairmywindowsanddoors.co.uk can use our online measurement guide to assist you in taking these measurements, so that you can be sure that your new upvc handles will be an ideal fit. We offer free delivery on all orders. You can pick your order up in our store for free. Orders made before 11am are ready to be collected the same day.