grease seal

基本解釋

Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, For to prevent scratches.
低壓密封試驗(yàn)4.4.1 進(jìn)行低壓密封試驗(yàn)時，低溫閥門密封面應(yīng)保持干凈，無油、無油脂和密封脂，如需防止擦傷。
The other advantage lies in that the lubricating grease in the seal housing will not flow out when the seal unit is worn, thus the service life is prolonged effectively.
本發(fā)明的另一優(yōu)點(diǎn)在于其中密封裝置磨損后，密封殼體中的潤滑脂不會流出，從而有效地延長其使用壽命。
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If the grease piling up in seal cannot clear away automatically that it will result in reduction of lubricating effect, so you should guarantee the reliability of pressure oil device.
如果密封間的脂堆積不能自動清除，則會導(dǎo)致潤滑效果下降，故應(yīng)保證壓力注油器的可靠。
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