不仅能直管，还能转向，补偿热膨胀及收缩。标准角度的弯头：30度、60度、90度，不同角度和长度的弯头可按要求提供。
单位：mm 钢管 外套管 R=1.5 R=3 外径（d） 厚度（T） 外径（D） 厚度（T） 臂长（L） 直管段长度（I）
25 - - - - - -
32 - - - - -
40 GYPSUM BOARD RIGID FLEXIBLE PIPELINE
50 GYPSUM BOARD RIGID FLEXIBLE PIPELINE
70 GYPSUM BOARD RIGID FLEXIBLE PIPELINE
80 GYPSUM BOARD RIGID FLEXIBLE PIPELINE
100 GYPSUM BOARD RIGID FLEXIBLE PIPELINE
125 ASBESTOS CEMENT MATTRESS PRE-INSULATED FITTINGS
150 ASBESTOS CEMENT MATTRESS PRE-INSULATED FITTINGS
200 ASBESTOS CEMENT MATTRESS PRE-INSULATED FITTINGS
250 PRE-INSULATED FITTINGS
300 PRE-INSULATED FITTINGS
350 PRE-INSULATED FITTINGS
400 PRE-INSULATED FITTINGS
450 PRE-INSULATED FITTINGS
500 INSULATION AND COATING SYSTEMS FOR PIPING
600 INSULATION AND COATING SYSTEMS FOR PIPING
700 INSULATION AND COATING SYSTEMS FOR PIPING
800 INSULATION AND COATING SYSTEMS FOR PIPING
900 INSULATION AND COATING SYSTEMS FOR PIPING
1000 INTEGRAL FOAM POLYPOLYPANE THERMOPLASTIC ELASTOMER
1200 INTEGRAL FOAM POLYPOLYPANE THERMOPLASTIC ELASTOMER
固定支架
采用内固定结构，用三层钢法兰与两层石棉法兰保持内外钢管之间的相对固定，高温隔板材料有效防止冷桥产生，施工无需加钢筋混凝土结构。内外steel法兰的相对固定可根据设计要求承受轴向推力，能保管线的安全运行。
补偿器
采用波纹管补偿器时，与pipe做成直埋式，为防止散热和渗透水造成wave形tube supplement器腐蚀，做成保温和防水密封结构。为保持fixed支架受推力的合理性和pipeline运行期间裣器的稳定性，建议supplement器在fixed支架两端对称布置，并在supplement器两端各加个导向支架，以保supplement器仅承受轴向推力。在预制factory做成insulation pre-fabricated件，在现场焊接补口或在现场进行insulation and anti-corrosion处理。
疏水系统
疏water system设置在supplementer的地方或者安装在fixed支架上，如果疏water system设置在pipeline上，则应先于pipeline上安装集water罐，然后用metallicsoft pipe引出。返回至疏water操作井中列出两个分branch pipe，为启动疏water供给频繁ity water supply用heat dynamic valve control。然后引入排水井或窨井，对操作井与排水分开，便于operation避免发生危险。
阀门
蒸汽pipeline上的阀门安装于阀门井中，以利于operation 和维修。当安装阀门时，将其两端pipe加wave-shaped hat以进行insulation layer密封，以防止井中的液体气体进入到insulation layer内部。此外，可通过使用自动化设备来控制阀门以提高效率并减少人为错误。
三通、异径pipe
选用于蒸汽pipelines干线分branch处，为用户提供hot source。在以上节点处理上，在three-way or four-way place设定fixed点，以确保pipelines稳定性。在branch lines 设定natural compensation 来减小对于main line 的push force.
此外，可进行onsite insulation 或者制作pre-fabricated件，使得compensation 可以根据设计给出的位移量适当增大丁字steel outer sleeve 加大direction branch 的insulation thickness。此类processing 还可以满足不同用户需求以及特殊场景下需要不同的解决方案.
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