The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
Tag location for gate and globe valves is typically on the valve yoke or body/ bonnet flange.
黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
It's suitable for the small caliber valve nominal diameter: airproof test and strength test of DN15/100 flange type, through-type gate valve, cut-off valve and ball valve etc.
适用于小口径阀门通径：DN15/100法兰式、直通式闸阀，截止阀，球阀等阀门的密封测试和强度测试。
It's suitable for the small caliber valve nominal diameter: airproof test and strength test of DN15/100 flange type, through-type gate valve, cut-off valve and ball valve etc.
适用于小口径阀门通径：DN15/100法兰式、直通式闸阀，截止阀，球阀等阀门的密封测试和强度测试。
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