Floor drain classification Traditional water-sealed floor drainThis kind of floor drain problem:Advantages: cheap, widely used in the products brought by the builders of the rough house.Disadvantages: poor self-cleaning ability, easy to block, difficult to clean; slow drainage Eccentric block type lower flap floor drainUse a sealing gasket, fix it with a pin on one side,.. read more →

Floor spring installation legend A. Draw a line so that the center of the floor spring shaft coincides with the door clamp shaft. B. Make a hole on the ground according to the instructions and the actual object. The size of the hole must be tightly matched with the floor spring shell and cannot be.. read more →

American Standard Door Closer1) High-end American standard door closerReached 2 million times of opening life test. Meet the American ANSI 156 level 1 requirements. With adjustable strength function.It is suitable for heavy-duty and high-strength door control systems for public buildings, engineering and maintenance doors with high security and high frequency of use.2) Mid-range American standard.. read more →

a. How to install the door closerThe most commonly used door closers are exterior door closers, and their installation methods are as follows:The most common standard usage is to install the door closer to the hinge side, the side where the door opens. When installed in this way, the arms of the door closer protrude.. read more →

Door closer products must meet the national standard GB2698-2005, fire door closer [2] should also meet the requirements of GA93-1995 “Door closer test for fire doors”. [3]The factors that should be considered when choosing a door closer are: the width of the door, the frequency of opening the door, the use requirements and the use.. read more →