不銹鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)又稱堵頭(tou)(tou)或(huo)封(feng)頭(tou)(tou)。 用途：焊接(jie)在管(guan)(guan)(guan)(guan)(guan)(guan)(guan)端或(huo)裝在管(guan)(guan)(guan)(guan)(guan)(guan)(guan)端外(wai)螺紋上(shang)以蓋(gai)堵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)子的(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)。用來封(feng)閉管(guan)(guan)(guan)(guan)(guan)(guan)(guan)路，作(zuo)用與堵頭(tou)(tou)相同。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)包(bao)括凸(tu)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)、錐(zhui)殼(ke)、變徑段、平蓋(gai)及緊(jin)縮口的(de)設計。凸(tu)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)包(bao)括：半球(qiu)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)、橢(tuo)圓形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)、碟形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)和球(qiu)冠形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)。從(cong)(cong)受力角(jiao)度看凸(tu)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)中(zhong)從(cong)(cong)半球(qiu)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)逐漸(jian)不好，但從(cong)(cong)制造難度上(shang)看，逐漸(jian)好制造。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)帽(mao)(mao)參(can)