(1) opening, not toward the shaft.(2) should be installed with a key to open the lock, when the door is opened without a key can also be closed and locked; In the case of locking, the door can be opened from the inside of the shaft without a key.(3) these doors should be equipped with electrical saf... READ MORE
Overhaul port at the upper end of the bathroom pipeline: 5-10cm should be reserved from the top of the bricklaying package, which can greatly reduce the influence of the bathroom on the package due to thermal expansion and contraction and moisture, and is convenient for future maintenance. Sufficien... READ MORE
1. The reliability of galvanized steel plate is good, and the galvanized layer and steel are metallurgically combined and become a part of the rigid surface, so the durability of the coating is more reliable. 2. Galvanized steel plate has corrosion resistance. Galvanized steel plate is to prevent t... READ MORE
Safety production management is an important part of management and a branch of safety science. The so-called safety production management is aimed at the safety problems in people's production process, using effective resources, giving full play to people's wisdom, and carrying out relevant activit... READ MORE
A plumbing access panel provides easy access to plumbing-system elements behind the wall, such as a shut-off valve, drains, etc., by way of a panel or door. This cost-efficient and time-saving panel or door can be easily opened or removed, eliminating the need to break through and repair the drywall... READ MORE
The main difference between these two types of doors is their purpose. The purpose of fire exit doors is to let people escape the building in the event of a fire, while the purpose of fire doors is to prevent fire from spreading from room to room. READ MORE
Cam locks are L-shaped locking mechanisms that are used to secure cabinets, lockers and other enclosures. They consist of two main parts: a cylindrical keyed nut and a tongue bar (also known as a cam). Once installed, you can lock the enclosure by inserting a key into the former part and turning it.... READ MORE
Plastic and metal are the most common materials used in manufacturing panels. The easiest way to install a drywall access panel is to buy a pre-made panel from a supplier. Then, all you need to do is cut the correct space in the drywall for your panel to fit. The panel is usually secured by screws. READ MORE
Budget locks are a more unconventional variation of the standard lock and key; unlike the more orthodox mortice deadlocks, these locks utilise a unique key system that makes them ideal for furniture, enclosures, meter boxes, window handles, garage doors and even refrigerators and also access panels ... READ MORE
According to the material, there are mainly steel fire doors, wooden fire doors, steel and wood fire doors, and other material fire doors. The most commonly seen ones are steel fire doors. Due to their low cost and good fire performance, they are widely used in buildings. Wooden fire doors are expen... READ MORE
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