4 Inch Insulated Flexible Duct
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Do 3cm thick wall insulation how much kilogram of slurry and how many kilograms of polystyrene particles
- From the outside: ① rigid waterproof casing is only composed of steel casing and wing ring, simple structure; ② flexible waterproof casing mainly by: flange casing, seals, flange pressure plate, wing ring, bolts, nuts Composition, complex structure From the waterproof performance up to choose: ① rigid waterproof casing is outside the wing (ring made of steel ring on the steel pipe), installed in the wall (mostly concrete wall), for the general pipe wall, ; ② flexible waterproof casing in addition to the external wing ring, the internal file ring and the like, the flange wire, there are sets of sales, but also their own processing, for the need for shock absorption pipeline, such as and pump connected When the pipe is through the wall In other words, if the wall on both sides of the waterproof performance, it is necessary to use flexible waterproof casing; if only to consider the pipe through the wall, without considering the wall, the wall on both sides of the waterproof performance and displacement of the pipeline deformation You can use rigid waterproof casings
HVAC Heating: What are the main components of the air distribution system?
- Geothermal construction, the heating pipe spacing can not be less than 100mm, the construction can not be achieved, big brother!s
Air conditioning machine work when the sound is too much reason
- Color steel plate, refers to the color coated steel plate, color coated steel plate is a kind of organic coating with steel plates
Public building design, the building structure and water is generally designed by the Architectural Design Institute, air conditioning and ventilation is based on the design of the interior? Or first air conditioning ventilation?
- Decoration refers to the home improvement part, housing construction is the content of the buildings
Ventilation is very good, why still have to install fresh air system
- You are a single raft toilet wipes Pie Tanzhuang open card would like to confirm what? Contract notarization or. The The If it is contract notarized, generally notary value of 0.25% -0.3%s
What is the whole heat exchange fresh air ventilator?
- Second, the new insulation decorative board is integrated through the production line, set insulation, waterproof, finishes and other functions in one, is to meet the current housing construction energy needs, improve the industrial and civil building exterior wall insulation level of the preferred material, but also on the existing Building energy-saving transformation of the preferred materialss
The installation method of ordinary air conditioner. The more detailed the better. Please thank you all
- 2.1.23 step distance liftheight the distance between the upper and lower horizontal axis of the axis of each other. 2.1.24 pole vertical (cross) distance longitudinal spacingofuprighttube Scaffolding vertical distance between adjacent rods. 2.1.25 Vertical distance transversespacingofuprighttube Scaffolding Horizontal distance between adjacent vertical rods, single row scaffolding for the outside pole axis to the wall distance.s
Air to water heater host and air conditioning host is not the same
- Issued a test report, Detection can be used to pass, failed to use!s
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...
Basic working principle of automatic door
- How do automatic doors work, the basic composition of the automatic door machine is roughly the same, with more than one, and then with the door signal, you can configure a set of ...
what is basalt used for
- What are composite doors？Basalt is a kind of high-quality traffic building stone.Especially in the construction of highway, railway, port, airport runway,it is one of the best co...
how to fix door closer
- The new door closer is in use for a week to 10 days，you should check all the screws, and retighten again. Please use the hydraulic oil recommended by the manufacturer.For cold ar...
what is the difference between granite and marble
- Granite and marble are commone stone in our daily life, whether it is luster or texture,they are rare good stone.But what is the difference between granite and marble？Let me take...