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进口放散式全焊接球阀阀性能描述performance deion
放散式全焊接球阀阀体是由钢管焊接而成,球垫选用强化聚四。采用浮动球结构,双面密封阀座是由ptfe密封环及蝶形弹簧构成的,强度高,自润滑性好,摩擦系数小,对压力和温度的变化适应能力强,在使用范围内不会产生任何泄漏。可以直接埋于地下,不用建高大型阀门井,只需在地面上设置小型浅井,大大节省施工费用及工程时间。可根据管道的施工及设计要求,调整阀体的长短和阀杆的高度。球体的加工精度非常精密,操作轻便,无不良干涉。主要应用于燃气输出管道、主干线及各支线供应管道等;集中供热:大型供热设备输出管线、主干线、支线thefully welded ball valve body is made of welded steel pipes, and the ball pad ismade of reinforced polytetrafluoroethylene. adopting a floating ball structure,the double-sided sealing valve seat is composed of ptfe sealing rings andbutterfly springs, with high strength, good self-lubrication, small frictioncoefficient, strong adaptability to pressure and temperature changes, and noleakage within the range of use. it can be directly buried underground withoutthe need to build high or large valve wells. instead, small shallow wells needto be installed on the ground, greatly saving construction costs and time. thelength of the valve body and the height of the valve stem can be adjustedaccording to the construction and design requirements of the pipeline. themachining accuracy of the sphere is very precise, with easy operation and noadverse interference. mainly used in gas output pipelines, trunk lines, andvarious branch supply pipelines; central heating: large heating equipmentoutput pipelines, trunk lines, and branch lines.
进口放散式全焊接球阀阀产品特性product features
1、阀杆可根据用户具体安装情况加长,以便于地面操作;
2、相对于同规格的常规球阀具有体积小、重量轻、外形美观、经久耐用等优点;
3、阀座密封面材料根据使用介质不同可选用ptfe、尼龙、合金钢、硬质合金等,能较大范围适应不同的温度、压力和腐蚀性要求;
4、采用全焊结构,没有中法兰泄漏,与管道用对焊连接或法兰连接。前者没有管道和阀门法兰连接的泄漏,后者便于拆卸维修阀门。
进口放散式全焊接球阀阀技术规范 technicalspecifications
设计规范:api 6d、asmeb 16.34
压力-温度等级:asme b16.34、api608
结构长度:asmeb16.10、gb12221
对焊端形式:asmeb16.25、asmeb31.4/31.8
检验与试验:api598、api 6d、gb13927
耐火试验:api607、api6fa
连接方式:焊接@法兰,内螺纹@法兰,焊接@内螺纹
压力等级:class150~600lb,pn1.6~4.0mpa
产品规格:dn15~200mm
主要材质:碳钢/不锈钢/a105
适用温度:-29℃≤t≤260℃
适用介质:水,空气,油和其它不与碳钢发生化学反应的流体等
驱动方式:手动