First, the water stop screw is a kind of opposite screw.
The opposite-pulling screw is another way for us to say the through-wall screw. Because the screw passes through the wall, both sides of the screw need fasteners such as wood square, steel pipe, gable clamp and nut to tighten it, forming a form of opposite-pulling. Water stop screw is a kind of through-wall screw welded with water stop. It can be seen that the opposite screw is the through-wall screw, and the water stop screw is a kind of through-wall screw.
Second, the water stop screw is a kind of opposite screw with water stop function.
The counter-pulling screw has played a role in controlling the thickness of formwork and preventing the mold from bursting in building engineering. The water-stop screw also has this basic role, and it also plays a role in preventing water from seeping from the outside to the inside, so it is also called the water-stop counter-pulling screw.
Third, the use position is different
At present, the counter-pulling screw we are talking about is a double-headed screw, that is, a double-headed screw. Some people also call the through-threaded screw as a counter-pulling screw, which is mainly used on the foundation of construction projects, while the water-stopping screw is mainly used in underground projects, such as basements, garages, tunnels, culverts and sewage tanks, which need water seepage prevention.
Four, the calculation of both dosage and length is the same.
In this respect, it is the same. Special projects are treated specially. Normally, 3-4 screws are used for one square. And the normal length of the wall thickness plus 40cm can be. Hainan water pump
5. In terms of price, the water stop screw costs more than the pull screw. The processing cost of water stop screw includes: water stop piece, locating piece and welding labor cost. The weight is also the weight of one more water stop and two positioning.
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