管道 Pipe

无缝钢管 seamless steel pipe| 不锈钢管 stainless steel pipe | 弯管 bend|   螺旋焊管spiral welded steel pipe | 不锈钢接管 | | 波纹管 sylphon bellows (corrugated pipe) | 软管 flexible hose || 焊管 welded pipe  |

法兰类 flange

法兰盖 blind flange, blind| 钢制管法兰steel pipe flange | 法兰管板 flange pipe plate | 锻钢法兰 Forged steel flange| 高、低压法兰high, low pressure flange | 管帽 cap | | 碳钢法兰carbon steel flange | 不锈钢法兰stainless steel flange | 盲法兰blind flange | | 封头end cover | 平焊法兰slip-on flange | 活套法兰loose flange | 对焊法兰 welding plate flange| | 国标法兰GB flange | 日标法兰 JIS flange| 美标法兰ASME flange | 非标法兰 non-standard flange 带径法兰 | 法兰flange |

弯头类elbow

碳钢弯头carbon steel elbow | 合金钢弯头alloy steel elbow | 不锈钢弯头 stainless steel elbow| | 焊缝弯头 welding elbow| 无缝弯头seamless steel elbow | 厚壁弯头 XS elbow| 国标弯头 GB elbow| 日标弯头JIS elbow | 美标弯头ASME elbow | 非标弯头 | 异径弯头reducing elbow | 直弯straight pipe | 弯头 elbow| 钛镍弯头 |

金属管件metal pipe fittings

大小头（同心concentric 、偏心eccentric） | 镀锌管件galvanized steel pipe || 异型管件reducing pipe | 建筑管件building pipe | 承插管件socket pipe |  || 波纹管补偿器corrugated expansion joint(compensator) || 合金管件alloy pipe | 管件 |pipe fittings 不锈钢管件stainless steel pipe fittings |

四通类cross

承插四通socket cross | 无缝四通 seamless cross| 丝扣四通 | 对焊四通 butt welded cross | 平面四通flat cross || 异径四通 reducing cross| 正四通 |

三通、四通Tee ,cross

焊缝等径三通、四通welding straight tee,cross | 焊缝异径三通、四通welded reducing tee,cross | 无缝等径三通、四通seamless straight tee, cross | 无缝异径三通、四通 seamless reducing tee, cross|| 三通、四通 |

管帽类caps

封头 | 对焊封头 | 圆封头 | 圆管帽 round caps | 螺纹管帽 thread caps | 六角管帽hexagonal head bolt | 锥型封头 | 椭圆封头 | 管帽 |

弯管类bend

| 弯管 bend | U型弯管 U bend| 异径弯管reducing bend |

异径管类reducing pipe

异径管 reducer| 同心异径管 concentric reducer| 偏心异径管eccentric reducer || 沟槽式异径管grooved reducer | 焊接异径管welded reducer || 螺纹异径管threaded reducer | 高压异径管 high pressure