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FAQ

For example, HDPE pipe with a flexible connection is a flexible interface, PVC-U of the glue plug-in method, is just helium pouring a lie on the pizza pull the interface, wire then, flange it more

PM25 and other dust particles mosquito 4 The The The One of the most critical is that the window is not New Zealand, to know that China's outdoor air quality is very bad And closed doors and windows (especially air conditioning or warm and warm equipment must be closed when the window), the indoor air in a variety of superimposed pollution (decoration pollution, carbon dioxide exceeded)

How to optimize the construction management to improve the quality of construction projects

flexible waterproof casing for seismic fortification of the region, rigid waterproof casing for the pipeline to touch the tattoo Du Gu Sen single point of the wall does not bear the vibration of the building

Will the embedded stove why use stainless steel corrugated hose connection?

62-2 meets the requirements 3 The deformation rate of the flexible pipe shall not exceed the design requirements or the provisions of regulation 45 the longitudinal wall shall not appear in the pipe wall, and the annular and other deformation shall be in accordance with regulation 462-3 The requirements of the 4 backfill compaction should meet the design requirements, design requirements, should meet the requirements of Table 463- Table 463-2 Flexible pipe groove backfill site and compaction see Figure 463 Article 462-4 meet the requirements of the general items 1 backfill should reach the design elevation, the surface should be flattened Section 462-5 meet the requirements 2 backfill pipe and ancillary structures without damage, settlement, displacement Section 462-6 Conformity to allowable deviation Average pass rate (%)

Drain flexible pipe to keep the base design above the elevation of the number of meters

Flexible pipe with metal materials, such as metal mesh, organ, etc

Safety evaluation: gas pipeline and discharge pipe should not be set between the valve, what is the specification of which provisions?

In the past, the external wall insulation technology prevails, the external wall insulation is in the experimental stage, Basically no

Plastic tube most afraid of what the East unitary

The bonding strength of the gypsum board and the extruded polystyrene plate is ≥010MPa, and the interface is in the extruded polystyrene board The bond strength of the bonded gypsum and the composite plate is ≥010MPa The combustibility of the composite plate reaches B1 level Construction technology points: the installation of the board between the natural close (including the long board) does not leave; for long board, should be installed before the hardening of the bonding material can be carried out; per square meter composite board with at least 2 Expansion of the anchor, each commonly used specifications of the composite board at least 6 expansion anchors evenly anchored to the grass-roots wall; external walls and internal wall connection should be extended to the wall, the width should not be less than 300mm; And wall bonding area ≥ 30% Applicable conditions and scope: hot summer and hot summer and warm winter area outside the building insulation works

Composite pipe and flexible tube which aspects of the difference

On this basis, advanced construction and management technology, excellent technology in the continuous improvement and updating, which on the one hand also shows the construction market continues to improve

What is the difference between a flexible pipe and a rigid pipe? What types of pipes are used for drainage pipes, heat pipes and gas pipelines?

Can not do, according to the construction map can be