中文无码日韩精品_色五月激情中文在线观看_AV无码国产办公室在线看_国产一级a特黄中文对话_AV免费福利 色逼AV_久久精品性爱福利视频_2021自拍偷区亚洲综合第一页_99精品国产深喉呕吐_男人晚上狂揉美女的胸_成全视频免费在线观看

簡體中文版 English

Product List

The valve is suitable for liquefied petroleum gas pump outlet liquid outlet pipeline, for the safe return of overpressure medium, standard reflux pressure greater than 0.5MPa liquefied petroleum gas can automatically back into the tank. May adjust the backflow pressure difference is 0.3~0.8MPa, or according to the user request to determine, when the pump pressure exceeds the specified value, the valve automatically opens, and play a safe return, to ensure the safe operation of the equipment and pipeline.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.