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(jiǎn)體中文版 English

Product List

Packing chamber integral flange ball valve is our company after two years of trial production of the latest patent ball valve products. This product has a wide type valve has the advantages of small volume, easy installation features, but also has the advantages of full bore standard flange is not easy to leak, has changed the way of flange ball valve flow is small, easy to leak the error, but also solve the standard flange ball valve too bulky shortcomings, and the valve body can be made of precision casting process, shape beautiful and generous. Full size, large size, connection size standard wide flange ball valve, is expected to be widely used in more and more on the pipeline.
Note: parameters are for reference only,?or?are not full. Valve can be used in accordance with the requirements of different pressure, material, caliber. Specific please contact?or?online advisory contact
Mandatory
Mandatory
Mandatory
Mandatory

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