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What is the classification and standard of stainless steel braided hose?

Update:04 Jun 2021
Summary:

High Quality Braided Shower 3437 can generally be divid […]

High Quality Braided Shower 3437 can generally be divided into single-head tubes, braided tubes, and shower tubes according to the above functions. Braided hoses can be divided into low, medium and high grades according to the production process. The low-grade braided hose uses a relatively low-end aluminum wire with a thinner diameter, an iron nut, a zinc alloy inner core, and a rubber inner tube. The product with this configuration has a certain price advantage, but the grade is the lowest, and it is prone to problems such as water leakage and oxidation. The mid-range braided pipe is mainly made of 304 steel wire, EPDM material, and all-copper fittings. The applicable period is generally more than 5 years. High-end braided hoses have specific uses, such as braided hoses for water purifiers. It is generally required that the configuration of the mid-range is supreme. Common configurations include 304 stainless steel wire, food-grade silicone inner tube, food-grade PEX-B inner tube, 58-3 all-copper fittings, and silicone gaskets.

Customized Braided Shower 3445 can be divided into single-ended hoses, braided hoses, and shower hoses (shower hoses) according to their use. The single-head tube is mainly used for kitchen and bathroom hardware such as faucets and kitchen sinks. Her name comes from the outer teeth at one end, also called poles. The single-head tube requires 304 stainless steel wire, EPDM inner tube, and all copper fittings. Etc., braided pipe is divided into stainless steel and alloy wire (aluminum wire), and also divided into upper and lower grades. Shower pipes generally have 201 and 304 stainless steel braided, EPDM inner pipes, and all-copper fittings. "Shower pipes are generally made of 58-3 copper fittings, EPDM inner pipes, braided from 201 and 304 stainless steel. Of course, they also include high-end copper braiding and stainless steel gold-plated products. These are relatively high-end braided hoses. product.
The usual implementation standard for braided pipes is GB/T23448-2009 or JC886-2001. Because braided pipes are mainly used in the water supply connection of sanitary equipment or drinking water equipment, the water passes through the pipe and directly contacts human skin or is directly drunk. Therefore, the material of the inner tube in contact with the water source is very critical. The existing national standards or the standards of the Ministry of Construction require that the inner pipe material must meet the "GBT17219-1998 Safety Evaluation Standard for Drinking Water Transmission and Distribution Equipment and Protective Materials" to ensure that the water source is not polluted. In Europe, Germany puts forward higher requirements for braided pipes, especially braided pipes connected to drinking water, requiring the inner pipe to be tested for microbial toxicity W270. Under this requirement, the original PVC, EPDM and other raw materials cannot meet the requirements . The latest inner tube materials commonly used in the European market are mainly silicone tubes or PEX-B tubes. Due to the high cost of silicone tubes, PEX-B tubes in the European market will be the future trend. Of course, including other developed countries such as Europe and the United States.

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