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Flexible Garden Hoses Are Made From Pvc

• Posted by zhangina gao February 21, 2019 Filed in Business #Flexible garden hose  484 views
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  PVC high quality garden hose is made of PVC as the main raw material. It is divided into inner, middle and outer layers. It is made of high temperature composite. The inner and outer layers are made of PVC of various colors, and the intermediate reinforcement layer is made of reinforced industrial fiber. The finished product has bright colors, beautiful appearance and soft texture. It is an ideal product for home and garden watering. The plastic shell high quality garden hose is made of plastic shell blister packaging, which is beautiful and convenient in appearance and suitable for supermarket sales.

  The minimum length of a high quality garden hose, excluding end fittings. It should be 5 times the nominal inner diameter of the hose or 1 m length. Take the longer of the two, if the length is less than 1m, take the whole hose or hose assembly.

  Test procedure

  Method A

  Place the flexible garden hose as flat as possible on a flat surface, plug the end of the hose with a metal plug so that it does not leak, insert a solid ball into the hose, and then attach the open end of the hose. On the vacuum pump of the vacuum gauge, reduce the internal pressure of the hose to the specified test pressure within 60s and keep the pressure at least 10 minutes.

  While maintaining the test pressure, check whether the outside of the flexible garden hose is sunken or collapsed, then tilt the test hose so that the solid ball passes through the whole hose and check if the hose has Any obstacles due to internal deformation.

  B method

  A sealing plug made of transparent material is installed at one end of the high quality garden hose, one end of which is connected to a vacuum pump with a vacuum gauge, and the internal pressure of the hose is reduced to the military aid test pressure value within 60s and may not be Keep this pressure within less than 10 cliffs min.

  While maintaining the test pressure, use a light source that meets certain brightness, check the overall condition of the hose through the transparent plate, and check whether there is any sag or collapse of the outside of the hose.