Single window fittings should be selected according to the standard and of the best quality so that the double-glazed window has the necessary efficiency and productivity. The single-mode window hardware opens and closes only in one direction and horizontally, that is, to open its sashes, the entire space on the right or left side of the sash should be empty based on the direction of opening, so that there is no disturbance to opening.
Double-glazed single-case window is the simplest type of hinged opening window, in which the consumables are less compared to other opening windows. The price of the double-glazed window is more reasonable due to the use of this type of fittings and the lack of the need to use fittings for different types of openings.
⏬ Introducing Standard Single Models ⏬
◀️ Spaniolt:
The use of Spaniolt in windows is to lock and seal the hinges of doors and double-glazed windows. Its operation, when the window handle is turned downwards, causes the locks on the spaniolt to go behind the zamak piece and causes the opening latches to be compressed inside the rubber of the frame. The performance of spaniolt and zamac is designed in such a way that it causes the tire and frame to tip over each other.

The spaniolets should be produced from the gear part with a very high quality alloy that will not break and wear out over time. In low-quality fittings, due to the use of low-quality alloy, the screw threads of the handle were weak and sometimes cracked or broken after installation or caused the teeth of the screw to become loose.
Also, the bases of the riveted rollers on the Espagnolette have a strong material. And it is thick so that its base does not crack or break or become loose during window regulation. This has caused the pressure in the area of the sealing rubbers to be normal when the window shutters are closed. Another important point about Spaniel coating should be the standard amount, which has a resistance of at least 300 hours against water and salt test, so that it does not wear out and corrode in wet areas.
◀️ Single window handles:
Double-glazed window handles are made of plastic and aluminum. It is recommended to choose aluminum handles to have enough resistance against pressure and not to break, the use of plastic handles has less resistance and causes it to break over time.
But in choosing handles Aluminum should also be carefully considered because its low-quality and non-standard type can be seen in the market, which has less parts. When buying a standing handle, he paid attention to the height of the handle, appropriate weight, high-quality alloy, thick plastic bases, multi-layer coating, resistant four-sided shaft and internal metal gear.

The proper height of the handle made it act like a lever and caused less pressure on the window when opening and closing. The use of short handles causes the window to not be sealed in a standard way, and to compensate for this and the comfort of the customer, it is improperly adjusted, so there is not enough pressure between the frame and the opening.
In cheap handles to reduce the price. The height and weight of the materials used in it have been reduced and it has been produced in an empty and hollow form, which causes low resistance and fragility of the handle. Failure to comply with the thick plastic bases in the handle has caused the bases to crack and break when the screw is tightened. The multi-layered paint in these fittings used in the single-case window has caused the color to not be lost due to washing and impact. The use of a suitable alloy in the four-sided shaft, which is placed inside the spaniolet, and a lot of pressure is applied to this part, causes until the shaft does not go out of its natural and square shape and increases the lifespan of the UPVC window handle.
◀️ Single-mode double-glazed window hinge:
The alloy used in the hinge is of great importance because all the weight of the hinges is on this single-mode hardware. Two models of hinges are used for UPVC double-glazed windows, which are normal hinges and adjustable hinges. The hinge used in single-hung windows as part of its components is a 75 mm hinge. Hinge is one of the simplest fittings used in single-pane double-glazed windows, which does not have any technical differences. In the production of this type of hinge, it is possible that its consumables are reduced, which reduces its weight, and causes the hinge to become weak and not bear the weight of the window sashes, because it is produced in a hollow form, and during sharp painting, it is a single-layer color. It is possible that against the slightest wear, its color will be lost and it will rot. The appropriate and standard weight for a 75 mm hinge is equivalent to 83 grams, which reduces the weight of the hinge.

◀️ Zamac or front lock:
Zamac is placed in the double-glazed window in front of the Españolt locks, and it closes and seals the sash with the frame. This part plays a very effective role in the window as a part of single-mode fittings. The proper weight of Zamak is 13 grams, which is also produced and sold in the market to reduce the price of 7 grams. Its light weight makes Zamak weak and vulnerable. The use of light and poor-quality front locks is very vulnerable due to the high pressure and its placement in the window as a support point for the sash and frame, and it causes a change in shape and breakage, and the window is out of its standard state. Zamak has two types, Ax 9 and Ax 13, which are selected according to the consumption profile.



