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PPH儲罐在有很多方面性能優(yōu)于在同等應用條件下用其他材質制做的儲罐，在自然條件下的使用壽命更長。有很多優(yōu)點，在應用之前，請仔細檢查PPH儲罐。
第一，PPH儲罐在應用前要做好外觀檢查，其表面應無裂紋、縮孔、夾渣、折疊、重皮等缺陷。腐蝕深度和凹陷機械損傷深度不得超過相應產品標準允許的負壁厚偏差。
第二，PPH罐閥的殼體試驗壓力必須在公稱壓力的1.5倍以下，試驗時間必須在5min以下，以沒有殼體填充劑泄漏為合格，密封試驗以公稱壓力進行，閥密封面沒有泄漏為合格。
第三，機械設備運輸有毒液體、有害液體、易燃液體管道閘閥，分別設計方法論工作壓力太大于1MPa，設計方法論溫度小于-29C或大于186C不易燃液體，進行了有毒液體管道閘閥殼體工作壓試驗和密封試驗。
第四，請通過觀察pph儲存罐外螺紋突面，再加精度和表面粗糙度應合乎設計構思規(guī)定或規(guī)范，并應有商品分辨。
The service life of PPH storage tank is longer than that of other storage tanks under the same natural conditions. There are many advantages. Please carefully check the PPH tank before application.
First, the appearance of PPH storage tank shall be inspected before application, and its surface shall be free of cracks, shrinkage cavities, slag inclusion, folding, double skin and other defects. The corrosion depth and mechanical damage depth of depression shall not exceed the negative wall thickness deviation allowed by the corresponding product standards.
Second, the shell test pressure of PPH tank valve must be less than 1.5 times of the nominal pressure, and the test time must be less than 5min. It is qualified if there is no leakage of shell filler. The sealing test is conducted at the nominal pressure and there is no leakage on the valve sealing surface.
Third, for the mechanical equipment transporting toxic liquid, harmful liquid and flammable liquid pipeline gate valve, the working pressure of the design methodology is too greater than 1MPa, and the temperature of the design methodology is less than - 29c or greater than 186c. The working pressure test and sealing test of the shell of the toxic liquid pipeline gate valve are carried out.
Fourth, please observe the protruding surface of the external thread of the PPH storage tank. In addition, the accuracy and surface roughness should meet the design concept or specifications, and there should be commodity discrimination.
