First, to recognize the brand name when buying: At present, the market is rampant, the country has ordered the elimination of toxic materials, a large number of banned into the homes of the people. Ordinary consumers should choose brand products with high reputation, good reputation, high security, and international quality system certification.
Second, waterproof parts to be comprehensive: bathroom floor and wall (back to high not less than 1.8 meters or full), kitchen, balcony floor and wall (return height of not less than 0.3 meters), all on the first floor of the house The ground and the wall surface (back to 0.3 meters high), the basement floor and all the walls should be waterproof, moisture-proof treatment.
Third, the thickness of the waterproof layer should be enough: the thickness of the waterproof layer directly affects the waterproof life, if you reduce the thickness of the waterproof layer is equivalent to reducing its waterproof life.
Fourth, the construction process should be meticulous: wall and floor joints, yin and yang angle, water pipes, floor drains and sanitary ware surrounding and laid cold and heat pipes within the gutter is a key waterproof parts, the construction must be careful.
5. Closed water test after completion: After the waterproof construction is completed, close the door and the water outlet, store the water in the room for 24 hours, and check for leaks.
6. If leakage is found, remedial measures should be implemented.
JIS" Stands for Japanese Industrial Standard and are published by the Japanese Standards Association (JSA) which is the equivalent of ANSI in the United States. They are created and updated by the Committee of the Japanese Industrial Standards (JISC). Like JSA to ANSI, the JISC is similar to the American Society of Mechanical Engineers (ASME).
Japan Industrial Standard is yet another option for metric sizes. Provided in JIS5K, JIS10K, JIS15K, and JISK20K pressure classes, we can offer Slip On, Blind, and Weld Neck varieties in Raised Face or Flat Face configurations. These are typically made of 316/L or A105, but as usual, all alloys are available!
Much like DIN / metric flanges, the JIS Flange specification offers a slightly wider variety of slip weld configurations for the purposes of space limitations and suitability for existing pipeline equipment. For instance, a customer can request a slip on with or without a hub as standard, or even a ring type flange, and all of this within the same B2220 specification.
JIS flanges are commonly found in exported pressure equipment and pipe assemblies from Japan. Many large ships and sea vessels which travel through international waters and service the Pacific rim will utilize equipment made to this standard, as parts and servicing for this specification are widely available.
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Hebei Welkin Pipe Fitting Manufacturing Co., Ltd , https://www.welkinpipeline.com