| | | A:单头螺纹短节 | B:双头螺纹短节 | C:短管 | One end thread and one end plain | Both end thread | Both end plain | |  | | | | | | 国际通用系列钢管(英制管) Inch Pipe | 国内沿用系列钢管(公制管) Metric Pipe | 公称通径
Nominal Diameter | 外径
Outside Diameter
D | Sch40
STD
Sch80
XS | Sch160
XXS | L | | DN | NPS | | 8 | 1/4 | 13.5 | ○ | | 60
90
120
150
180 | | 10 | 3/8 | 17.2 | ○ | | | 15 | 1/2 | 21.3 | ○ | ○ | | 20 | 3/4 | 26.7 | ○ | ○ | | 25 | 1 | 33.4 | ○ | ○ | | 32 | 1.1/4 | 42.2 | ○ | ○ | | 40 | 1.1/2 | 48.3 | ○ | ○ | | 50 | 2 | 60.3 | ○ | ○ |
| 公称通径
Nominal Diameter | 外径
Outside Diameter
D | 厚度
Thickness | 长度
Length | | DN | | 10 | 14 | 2-5 | 60
90
120
150
180 | | 15 | 18 | | 20 | 25 | | 25 | 32 | | 32 | 38 | | 40 | 45 | | 50 | 57 |
|
注：短管(英制管)有A、B、C三种型式，短管(公制管)仅有C型 The type for nipple is A、B、C for British Pipe and only type C for Metric nipple. |
订货示例:A(NPT)1/2" Sch80 L150 304不锈钢(英制管),Φ18*2 L100 20钢(公制管) Example:A(NPT)1/2" Sch80 L150 304 S.S(British Pipe),Φ18*2 L100 20#(Metric Pipe) |
