Shut-off valve requires a lower leakage as possible, the leakage of soft-sealed valve is the lowest, of course, cut off the effect, but not wear-resistant, poor reliability. From the leakage is small, sealed and reliable double standards, the soft seal cut off as good as the hard seal cut off. Such as full-function ultra-light control valve, sealed and piled with wear-resistant alloy protection, high reliability, leakage rate of 10-7, has been able to meet the requirements of shut-off valve.
Measure tape is a measuring Tool which is commonly used in our daily life, when building, decorating and making wooden furniture, we often use steel tape measures. In fact, besides steel tape measure, there are also other types of tape measures, such as fiberglass tape measure, laser tape measure and ground fiber tape measure.
Measure Tape,Tape Measure Flexible Rule,Digital Tape Measure,Steel Tape
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