What are the common water hose materials and characteristics ? Here is the relevant content introduction for reference. The cast-iron hoses: strong corrosion resistance, crispy texture, poor impact resistance and seismic resistance, and large weight. Steel hoses: high pressure resistance, vibration resistance, light weight, large length of the single tube and convenient interface, but poor stability, poor corrosion resistance, anti-corrosion measures inside and outside the tube wall, high cost. Pre-stress and self-stress reinforced concrete tubes: pre-stress reinforced concrete tube cost low, strong seismic performance, smooth tube wall, good hydraulic conditions, corrosion resistance, low explosion tube rate. The price of concrete tubes is cheaper than steel hoses, and the interface is socket type. Glass reinforced plastic hoses: corrosion resistance, no scaling, can maintain high water transmission capacity for a long time, high strength, low rough coefficient, but high price. Plastic tubes: high strength, smooth surface, not easy to scaling, small head loss, corrosion resistance, light weight, convenient processing and interface, etc., but the strength of the hose is low, the expansion coefficient is large. When used as a long distance hose,you need…

How to use the ladder correctly? Safety production is a necessary guarantee for the survival of an enterprise! The ladder is often used in our usual work and life. However, in the work, there will be some error use and misunderstanding. There are certain safety hazards. Now the safety precautions of the ladder will explain one by one in use. Hidden safety hazards such as injuries, do your own protection! Classification of ladders There are many types and forms of ladders. Materials also have a variety of bamboo, wood, steel, and alloy. Its structural structure has national standards. Most of us use aluminum alloy ladders in our work, which are more secure than other materials in terms of firmness, durability, insulation and other aspects. Check before use First check whether there are screw looseness in the ladder; whether the pedal and the foot of the ladder foot are loosened and falling off; whether the safety lock is flexible; whether the ladder’s feet non-slip glue pads are intact and cracks; the zipper remains intact and the length is appropriate. The functions…

Introduction of water hoses of various materials Product introduction： PP-R hose PP-R hose, also known as type III polypropylene hose, is non-toxic, light, pressure resistant, corrosion resistant, and has good impact resistance and long-term creep performance. It is mainly used in water supply hoseline system and can be used in pure drinking water hoseline. PP-R hose is divided into cold water hose and hot water hose. The interface of PPR hose adopts the hot-melt technology, and the hoses are fully integrated together. Therefore, once the installation pressure test is passed, the aging and water leakage phenomenon will not occur for a long time like the aluminum-plastic hose, and the reliability is very high. PPR hose has no scaling, good heat preservation performance and smooth hose wall. It is becoming a promotional material. However, the high temperature resistance of PPR hose is slightly poor, and the long-term working temperature shall not exceed 70 ℃; And bending construction is not allowed. In terms of comprehensive performance, PPR hose is the hose with high cost performance at present, so it has become the…

Top 5 Best Ladder in Delxo brand 2022 No.1 If you’re looking for a reliable, versatile ladder for general home use, the Delxo Folding 4 Step Ladder with Anti-Slip Sturdy and Wide Pedal delivers, providing a rock-solid frame and a variety of convenient features. Height: 5.5 feet Material: Aluminum Weight Capacity: 300 pounds Weight: 17.6 pounds Steps: 4 Pros: Affordable, easy to operate Cons: Aluminum frame is not recommended for use around electrical wiring First of all, it attracted me when using the Delxo 4 step ladder was how easy it was to operate. Its smooth handle and smooth mechanics allow it to pop right open, even one-handed. That makes it especially useful for tasks that involve transporting a lot of gear and supplies, like large painting projects. Another key feature I loved about the Delxo 4 step ladder was its dual platform design. This model lets you position yourself closer to your work area, which reduces your chances of losing your balance while you work. Stability is essential when it comes to setting up and climbing ladders. The slip-resistant feet of the Delxo 4 step ladder reduce the chances of it slipping or…

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