锻钢制管件
四方堵头 | Square Head Plug
产品类型：四方堵头
产品规格：1/8″~4″ (DN6~DN100)
压力等级：3000#、6000#
产品材质：碳钢20#、A105；不锈钢钢F304/304L、F316/316L、F321；双相钢F51、F53、F55等；
产品特点：耐腐蚀、耐高压
连接方式：NPT(ANSI/ASME B1.20.1)、Rc、BSP、G、PT
产品标准：ASME 16.11、GB/T14383-2018
应用领域：海工装备、石油化工、核电工程、锅炉容器、船舶修造、热电机组、泵阀管路、燃气消防等领域.
13564974168 周经理
公称通径 | 螺纹长度 | 方头高度 | 方头对边宽度 | |
DN | NPS | A | B | C |
6 | 1/8 | 10 | 6 | 7.15 |
8 | 1/4 | 11 | 6 | 9.55 |
10 | 3/8 | 13 | 8 | 11.11 |
15 | 1/2 | 14 | 10 | 14.29 |
20 | 3/4 | 16 | 11 | 15.88 |
25 | 1 | 19 | 13 | 20.64 |
32 | 1.1/4 | 21 | 14 | 23.81 |
40 | 1.1/2 | 21 | 16 | 28.58 |
50 | 2 | 22 | 18 | 33.3 |
65 | 2.1/2 | 27 | 19 | 38.1 |
80 | 3 | 28 | 21 | 42.9 |
100 | 4 | 32 | 25 | 63.5 |
DIMENSIONAL TOLERANCE OF ASME B16.11
Item | Type of pipe fitting | Size | ||||||
DN | 6 to 8 | 10 to 20 | 25 to 50 | 65 to 100 | ||||
NPS | 1/8 to 1/4 | 3/8 to 3/4 | 1 to 2 | 2.1/2 to 4 | ||||
Bore diameter of socket (B) | All types of pipe fittings | ＋0.4 | ＋0.4 | ＋0.4 | ＋0.5 | |||
Bore diameter of fitting (D) | ±0.7 | ±0.7 | ±0.7 | ±1.4 | ||||
Concentricity of bore (X) | ±0.8 | |||||||
Coincidence of axes (Y) | 1/200 Max | |||||||
Center to bottom of socket (A) | 45° 90°Elbow ,Tee,Cross | ±1.0 | ±1.5 | ±2.0 | ±2.5 | |||
Bottom to bottom of socket (E) | Full Coupling | ±1.5 | ±3.0 | ±4.0 | ±5.0 | |||
Bottom to socket to opposite face (F) | Half Coupling | ±1.0 | ±1.5 | ±2.0 | ±2.5 | |||