1. 銅合(he)(he)金(jin)(jin)法(fa)蘭的(de)尺寸公差應符(fu)合(he)(he)GB/T 15530.8-1995《銅合(he)(he)金(jin)(jin)及復(fu)合(he)(he)法(fa)蘭技術條(tiao)件(jian)》的(de)規定(ding)。

2. 銅(tong)(tong)(tong)合金整(zheng)體鑄造法蘭(lan)、銅(tong)(tong)(tong)合金帶(dai)頸(jing)平焊法蘭(lan)、銅(tong)(tong)(tong)合金平焊環松套鋼法蘭(lan)、銅(tong)(tong)(tong)管折邊和(he)銅(tong)(tong)(tong)合金對焊環松套鋼法蘭(lan)等四種法蘭(lan)的(de)未注(zhu)(zhu)形狀和(he)位置公(gong)(gong)(gong)差應(ying)符(fu)合GB/T 1184-1996《形狀和(he)位置公(gong)(gong)(gong)差 未注(zhu)(zhu)公(gong)(gong)(gong)差值》中的(de)K級；未注(zhu)(zhu)尺寸(cun)的(de)線性(xing)和(he)角(jiao)度(du)尺寸(cun)公(gong)(gong)(gong)差應(ying)符(fu)合GB/T1804-2000《一(yi)般公(gong)(gong)(gong)差 未注(zhu)(zhu)公(gong)(gong)(gong)差的(de)線性(xing)和(he)角(jiao)度(du)尺寸(cun)的(de)公(gong)(gong)(gong)差》中的(de)m級。另(ling)外，后(hou)兩種法蘭(lan)的(de)端(duan)面應(ying)與其軸線垂直，偏差不(bu)大(da)于30'。

3. 船(chuan)用銅(tong)合金(jin)整(zheng)體(ti)鑄造(zao)法蘭、船(chuan)用銅(tong)合金(jin)帶頸(jing)平焊(han)(han)法蘭、船(chuan)用銅(tong)合金(jin)平焊(han)(han)環(huan)松(song)套(tao)鋼(gang)法蘭、船(chuan)用銅(tong)管折邊(bian)和銅(tong)合金(jin)對焊(han)(han)環(huan)松(song)套(tao)鋼(gang)法蘭的(de)厚度極限偏差見表9-52和表9-53。

4. 所有(you)型式的銅合金法蘭連(lian)接(jie)密封(feng)面(mian)均(jun)應進行機(ji)加工，機(ji)加工表面(mian)粗糙度見表9-54。