卫生级管件 卡箍式同心变径大小头 卫生级快装大小头
大小头是一截两夹口径不一的短管，用以连接两根大小口径不一的管道，分铸钢和焊接两种，有同心大小头和偏心大小头两种类型，油泵的进口与输油管道多用偏心大小头连接，以防止产生气蚀。异径管又叫大小头，分为同心大小头和偏心大小头表示方法是大头直径乘以小头直径，例如"8×6"表示大头直径是8英寸，小头直径是6英寸的大小头。
| 卡箍式大小头 | ||||
| Size | A | B | Ba | |
| DN20/15 | 88.0 | 34.0 | 34.0 | |
| DN25/20 | 86.0 | 50.5 | 34.0 | |
| DN32/20 | 106.0 | 50.5 | 34.0 | |
| DN32/25 | 106.0 | 50.5 | 50.5 | |
| DN40/20 | 128.0 | 50.5 | 34.0 | |
| DN40/25 | 128.0 | 50.5 | 50.5 | |
| DN40/32 | 128.0 | 50.5 | 50.5 | |
| DN50/25 | 141.0 | 64.0 | 50.5 | |
| DN50/32 | 141.0 | 64.0 | 50.5 | |
| DN50/40 | 141.0 | 64.0 | 50.5 | |
| DN65/25 | 151.0 | 91.0 | 50.5 | |
| DN68/25 | 151.0 | 91.0 | 50.5 | |
| DN65/32 | 151.0 | 91.0 | 50.5 | |
| DN65/40 | 148.0 | 91.0 | 50.5 | |
| DN65/50 | 148.0 | 91.0 | 64.0 | |
| DN80/40 | 166.0 | 106.0 | 60.5 | |
| DN80/50 | 151.0 | 106.0 | 64.0 | |
| DN80/65 | 146.0 | 106.0 | 91.0 | |
| DN100/60 | 192.0 | 119.0 | 64.0 | |
| DN100/65 | 159.0 | 119.0 | 91.0 | |
| DN100/80 | 162.0 | 119.0 | 106.0 |
| 卡箍式大小头 | ||||
| Size | A | B | Ba | |
| 1.0″/0.75″ | 64.0 | 50.5 | 34.0 | |
| 1.25″/1.0″ | 76.0 | 50.5 | 50.5 | |
| 1.5″/1.25″ | 76.0 | 50.5 | 50.5 | |
| 1.5″/1.0″ | 76.0 | 50.5 | 50.5 | |
| 2.0″/1.5″ | 93.0 | 64.0 | 50.5 | |
| 2.0″/1.25″ | 93.0 | 64.0 | 50.5 | |
| 2.0″/1.0″ | 93.0 | 64.0 | 50.5 | |
| 2.5″/2.0″ | 93.0 | 77.5 | 64.0 | |
| 2.5″/1.5″ | 93.0 | 77.5 | 50.5 | |
| 2.5″/1.0″ | 93.0 | 77.5 | 50.5 | |
| 3.0″/2.5″ | 93.0 | 91.0 | 77.5 | |
| 3.0″/2.0″ | 93.0 | 91.0 | 64.0 | |
| 3.0″/1.5″ | 93.0 | 91.0 | 50.5 | |
| 3.5″/3.0″ | 93.0 | 108.0 | 91.0 | |
| 3.5″/2.5″ | 93.0 | 108.0 | 77.5 | |
| 3.5″/2.0″ | 93.0 | 108.0 | 64.0 | |
| 4.0″/3.5″ | 118.0 | 119.0 | 108.0 | |
| 4.0″/3.0″ | 118.0 | 119.0 | 91.0 | |
| 4.0″/2.5″ | 118.0 | 119.0 | 77.5 | |
| 4.0″/2.0″ | 118.0 | 119.0 | 64.0 | |
| 卡箍式大小头 | ||||
| Size | A | B | Ba | |
| 1.5″/1.0″ | 76.2 | 50.5 | 50.5 | |
| 2.0″/1.0″ | 127.0 | 64.0 | 50.5 | |
| 2.0″/1.5″ | 76.2 | 64.0 | 50.5 | |
| 2.5″/1.5″ | 127.0 | 77.5 | 50.5 | |
| 2.5″/2.0″ | 76.2 | 77.5 | 64.0 | |
| 3.0″/1.5″ | 177.8 | 91.0 | 50.5 | |
| 3.0″/2.0″ | 127.0 | 91.0 | 64.0 | |
| 3.0″/2.5″ | 76.2 | 91.0 | 77.5 | |
| 4.0″/2.0″ | 231.8 | 119.0 | 64.0 | |
| 4.0″/2.5″ | 181.0 | 119.0 | 77.5 | |
| 4.0″/3.0″ | 130.2 | 119.0 | 91.0 | |
压力壁厚为Sch5s、Sch10s、Sch10、Sch20、Sch30、Sch40s、STD、Sch40、Sch60、Sch80s、XS；Sch80、Sch100、Sch120、Sch140、Sch160、XXS
材质分为碳钢，合金钢，不锈钢碳钢异径管
不锈钢同心大小头,不锈钢大小头在石化,制药,化工,食品工程,茶业,酒业工程,饮料工程,乳业工程,食用油工程,等诸多流体行业中大量应用
主要规格:DN15-DN100
制造标准:SMS,ISO,DIN,3A,IDF,JIS,
材质:304,321,304L,316L
表面处理:数控精车,镜面抛光处理
达到GMP国际卫生标准要求
包装:纸箱,木箱
制造工艺:进口数控机床制造
适用温度：-20~232℃
适用介质：水、油、气及某些腐蚀液体
产品特点：外形美观，表面平整，耐酸碱，抗防腐，质感性能强
技术参数：请参看管件产品技术参数
包装方式:木箱 ，木箱，防震膜包装或者其它
光洁度：内外镜面光洁度Ra≤0.8μmm，内壁机械抛光与电抛光Ra≤0.2μmm，外表面抛亮光或亚光。
附件：材质化验单一份（产品质保书)
专业卫生级阀门管件厂价，欢迎询价索取产品手册，承诺三包，永保市场价格。
焊接式同心大小头 | ||||
Size | A | D | D2 | |
1.5″/1.0″ | 50.8 | 38.1 | 25.4 | |
2.0″/1.0″ | 101.64 | 50.8 | 25.4 | |
2.0″/1.5″ | 50.8 | 50.8 | 38.1 | |
2.5″/1.5″ | 101.6 | 63.5 | 38.1 | |
2.5″/2.0″ | 50.8 | 63.5 | 50.8 | |
3.0″/1.5″ | 152.4 | 76.2 | 38.1 | |
3.0″/2.0″ | 101.6 | 76.2 | 50.8 | |
3.0″/2.5″ | 50.8 | 76.2 | 63.5 | |
4.0″/2.0″ | 203.2 | 101.6 | 50.8 | |
4.0″/2.5″ | 152.4 | 101.6 | 63.5 | |
4.0″/3.0″ | 101.6 | 101.6 | 76.2 | |
| ||||
Size | A | D | D2 | |
1.5″/1.0″ | 39.0 | 38.1 | 25.4 | |
2.0″/1.0″ | 57.0 | 50.8 | 25.4 | |
2.0″/1.5″ | 39.0 | 50.8 | 38.1 | |
2.5″/1.5″ | 57.0 | 63.5 | 38.1 | |
2.5″/2.0″ | 39.0 | 63.5 | 50.8 | |
3.0″/1.5″ | 74.0 | 76.2 | 38.1 | |
3.0″/2.0″ | 57.0 | 76.2 | 50.8 | |
3.0″/2.5″ | 39.0 | 76.2 | 63.5 | |
4.0″/2.0″ | 95.0 | 101.6 | 50.8 | |
4.0″/2.5″ | 78.0 | 101.6 | 63.5 | |
4.0″/3.0″ | 60.0 | 101.6 | 76.2 | |
