GB PVC DWV FITTING SPIRAL SILENCING CROSS

GB PVC DWV FITTING SPIRAL SILENCING CROSS

GB PVC DWV FITTING SPIRAL SILENCING CROSS

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GB PVC DWV FITTING SPIRAL SILENCING CROSS

GB PVC DWV FITTING spiral silencing cross SIZE

In addition to all the advantages of PVC-U solid-wall pipe, especially the sound insulation effect is obvious. It can reduce 8-10 decibels than standard solid-wall pipe. It really restrains the noise generated in the process of sewage discharge, so that your living environment is more warm and quiet. The utility model relates to a spiral muffler, which is characterized in that a spiral rib is arranged on the inner wall of the pipe, and the spiral rib is obliquely distributed in a straight line, and the angle between the spiral rib and the center line of the muffler is 8-20 degrees. The utility model is characterized in that the inner wall of the pipe is equipped with helical bars with straight and oblique uniform distribution. When draining, water flows under the guide of the helical bars and is discharged along the inner wall of the pipe according to the oblique straight line of the helical bars, which will not produce strong impact on the inner wall of the pipe, so the noise is relatively small.

Advantage

1. Low cost: The product has a large drainage volume, which increases by 1/3 compared with the ordinary drainage volume, thus greatly reducing the material cost, saving the installation cost, reducing the overall cost by more than 30%, and increasing the indoor use area.

2. Reduce the flow resistance: The water flow in the drainage riser shows obvious wall-attached flow, which reduces the flow velocity, reduces the water resistance coefficient, makes up and down through, stabilizes the pressure fluctuation in the riser, improves the discharge capacity of the riser, reduces the discharge capacity, increases the discharge capacity, and reduces the gas volume by about 15-20%. 2. Reduce noise: Because the pipeline adopts spiral design, it can reduce the collision between water flow and irregular movement of air and pipe wall, standardize the direction of fluid, thus reducing noise and achieving the effect of silencing.

3. Safety and hygiene: Because spiral muffler and double-wall spiral muffler have good decompression performance, the safety factor of high-rise building drainage pipeline is greatly improved.

4. Easy installation and maintenance: the double-wall spiral muffler of the spiral muffler of buildings below 18 stories does not need to install ventilation pipe, H pipe fittings, etc. The horizontal riser can be disassembled, with exquisite appearance, good seismic effect, simple and fast installation.

5. Increase the strength of pipes: Because of the unblocked air column in the pipe, the pressure fluctuation in the pipe is reduced, and the safety factor of the pipe is improved. The six triangular spiral bars on the inner wall of the pipe have significant strengthening effect, which can effectively reduce the rupture phenomenon caused by the impact of external forces on the pipe.

6. Reducing project cost: Using hollow spiral silencing riser can avoid H-type double riser ventilation mode and reduce project cost.

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