VIGA txorrota fabrikatzailea 
Duela gutxi, the Nanjing Municipal Bureau of Quality Supervision released the results of the 2017 residents’ home improvement products quality spot check, txorrotak inplikatzea, Altzairu herdoilgaitzezko konketa, bathroom brackets and paint-free boards. The pass rate of faucets is the lowest at 67.5%, and the pass rate of faucets priced at 100 yuan and below is only 14.3%.
Azpian hutsik gabeko tasa 20$ is as high as 85.7%
Aldez ere, the Nanjing Municipal Bureau of Quality and Technical Supervision commissioned the Nanjing Product Quality Supervision and Inspection Institute to conduct random inspections on 40 batches of faucet products sold by production enterprises, circulation areas and e-commerce platforms in Nanjing. Ikuskapenaren ondoren, 27 batches were qualified and 13 batches were unqualified, pase tasa batekin 67.5%.
Nanjing Quality Supervision Bureau classified the test results according to the product source and price range, and the results were eye-catching.
The 40 batches of tap products sampled this time were 20 loteak, 19 loteak eta 1 batch sampled from physical stores, Merkataritza elektronikoaren plataformak eta fabrikazio enpresak, hurrenez hurren. Haien artean, the qualification rate of physical store products is the lowest at 55%; the qualification rate of e-commerce platform products is 78.9%; and the qualification rate of production enterprises is 100%.
Produktuen prezioen ikuspegitik, produktuen pasa-tasa 70$ and above is 100% (unqualified rate 0%), and the pass rate of products between 20$ eta 70$ da 85.7% (unqualified rate 14.3%). The pass rate of products between 20$ eta 40$ da 62.5% (the unqualified rate is 37.5%), eta produktuen pasa-tasa 100 yuan eta azpian daude 14.3% (the unqualified rate is 85.7%).
2 batches of faucet metal pollutants precipitation exceeded the standard
This sampling inspection was carried out in accordance with GB 18145-2014 “Zeramikazko xafla zigilatzeko txorrota” eta gb 25501-2010 “Limited Value of Faucet Water Efficiency and Water Efficiency Grade”. Artean 13 Kalifikatu gabeko produktuen sorta, the unqualified items mainly related to surface corrosion resistance, Uraren eraginkortasun kalifikazioa, Fluxu uniformetasuna eta materialak, among which 2 batches of products were detected to exceed the standard of metal pollutant precipitation (lehenengo).
Horrez gain, this sampling inspection also refers to the standard of QB/T 1334-2013 “General Technical Conditions for Faucets”, and carried out the sealing performance of the faucet after freezing for 4 ordire ordu, 8 ordire ordu, 12 ordire ordu, eta 24 hours at a low temperature of -10°C. Risk monitoring. Ikuskapenaren ondoren, 33 batches of faucets meet the standard requirements, with a compliance rate of 82.5%.
Ikuskapen Elementuen Analisia
①Flow uniformity and water efficiency grade
Flow uniformity and water efficiency grade Among the samples sampled this time, 1 batch of water efficiency grade was unqualified, eta proiektu honen pase tasa izan zen 97.5%; 3 batches of flow uniformity were unqualified, eta proiektu honen pase tasa izan zen 92.5%. These two items are the requirements for the energy efficiency of the water tap, and the uniformity of the flow is the prerequisite for evaluating the water efficiency grade of the tap. Excessive flow of water nozzles will cause waste of water resources, which is not conducive to the implementation of my country’s energy conservation and emission reduction policies.
②Surface korrosioarekiko erresistentzia
Among the samples sampled this time, 12 batches of surface corrosion resistance were unqualified, eta proiektu honen pase tasa izan zen 70%. Products with unqualified surface corrosion resistance are prone to rust during use, which will not provide protection and affect the appearance and use of the product. The surface corrosion resistance of the faucet not only depends on the company’s electroplating process, baina, gainera, materialak bezalako hainbat alderdi dakartza, Galdaketa prozesua, leuntzea eta kreatioa.
③Precipitation of metal pollutants
Among the samples sampled this time, 2 batches of metal contaminants were unqualified, eta proiektu honen pase tasa izan zen 95%. Kutsatzaile metalikoen prezipitazioak gizakiaren osasunarekin lotuta dago, batez ere, giza gorputzean berunaren metaketa, which can cause long-term health risks in the human body and affect the normal physiological functions of the human body. The low-grade copper grades of faucet products and the substandard production process of the enterprise are all causes of excessive precipitation of metal pollutants.
(Unqualified samples precipitated by gold contaminants)
④material
Among the samples sampled this time, 7 batches of materials were unqualified, eta proiektu honen pase tasa izan zen 82.5%. Produktu batzuek zinka aleazioa erabiltzen dute, a corrosive material whose price is only 1/3 of copper alloy. Material hau erraz da, Itxura ez ezik, but also reduces the strength of the faucet, causing water leakage and cracking after a period of use. Kobre aleazioekin alderatuta, zinc alloys are cheap and easy to process. In order to control costs and reduce processing links, some companies use zinc alloys instead of copper alloys to make greater profits.
⑤ Risk items (Tenperatura proba)
This sampling conducted a temperature test, hau da, freezing the water nozzle at -10°C for 4 ordire ordu, 8 ordire ordu, 12 ordire ordu, eta 24 hours to test the sealing performance. Probatu ondoren, artean 40 batches of taps sampled this time, guztira 7 batches of faucets have leaked in a low temperature environment.
Gaur egun, there is no corresponding national standard for the freezing temperature value of faucets. Egoera normaletan, the faucet will not be frozen and cracked at a few degrees below zero, but after low-temperature freezing, due to the expansion and condensation of water in the valve core, the valve core will be squeezed and stressed. Konexioan ihesak egongo dira. Kostuak aurrezteko, some manufacturers use poor-quality brass as the casting material for the faucet. The ductility of the metal is greatly reduced, and it is easy to freeze at low temperatures and almost breaks when it is knocked.
(Sample with unqualified freeze-thaw sealing performance)
Kontsumitzaileen aholkuak
①Avoid buying zinc alloy faucets
Zinc alloy is a corrosive material, so you should avoid this type of product when purchasing a faucet. Produktuaren barruko barrunbearen arabera bereiz daiteke. Copper materials are generally castings, and the inner wall of the product is not very flat, while zinc alloys are injection-milled, the inner wall will be very smooth, and the inner wall has obvious separation lines. If possible, you can grind away the sample in an inconspicuous place to see the color. The color of zinc alloy is white, while copper alloy is yellow.
②Avoid buying low-cost faucets
The unqualified rate of faucets below 100 yuan bezain altua da 85.7%, and many items that have a greater impact on consumers’ osasun, such as the precipitation of materials and metal pollutants, are not recommended.
③Look at the surface
Visually check whether the plating surface of the faucet is evenly glossy, and pay attention to whether there are any defects such as peeling, karrasak, burning, oztopo, azal, dark spots and obvious pitting. The sprayed surface structure should be fine, leuna eta uniformea, without defects such as sagging and bottoming. There is no burr or grit to the hand.
④Look at the thread
The pipe thread of the faucet is connected with the connecting hose or pipe. Erosketan, visually check the thread surface for defects such as dents and broken teeth. Pay special attention to the effective length of the pipe thread.
⑤ Begira ezazu
Try turning the handle up, beherantz, ezker, eta zuzen. If it feels light and does not feel blocking, the valve core is better. The main parts of a good quality faucet are made of brass. Arreta jarri aleazio materialak eta ingeniaritza plastikoak erabiltzen dituzten produktuak bereizteko, zeinen kalitatea eta zerbitzua bizitzea nahiko eskasa da.
⑥ Water saving
The faucet with a bubbler saves water better. Feel the water flow with your hand when purchasing. Ur biguna eta aparra aberatsa (Uraren emaria burbuilaren edukia) indicate that the bubbler is of better quality.