JIANCESIFUDIANPIANDEMIFENGXINGTONGCHANGYICEDINGQIXIELULVWEIBIAOZHUN，CEDINGQIXIELOULVzNENGPINGDINGSIFUDIANPIANZHILIANGYOULIEDEZHUYAOYIJU

，TANENGZHIJIEFANYINGDIANPIANMIFENGXINGNENG。  ZAIGB／T l2385--1990BIAOZHUNZHONGGUIDINGLEGUANFALANYONGDIANPIANMIFENGXINGNENGDEA、BLIANGZHONGSHI

YANFANGFA。

LIANGZHONGSHIYANFANGFABUJINSHIYONGYUSIFUDIANPIAN，QIEJUNSHIYONGYUSHIMIANXIANGJIAODIANPIAN、JUSIFUYIXIBAOFUDIANPIAN、JINSHUBAOFUDIANPIAN、CHAN

RAOSHIDIANPIANJIJINSHUDIANPIAN。

JINTIANLAIJIANGYIXIAQIZHONGYIZHONGSHIYANFANGFA。 YI． SHOUXIANPEIBEISHIYANZHUANGZHI  1. DIANPIANJIAZAIXITONG—YINGNENGTIGONGGUIDINGDEDIANPIANYUJIN

YINGLI，SHIYANGUOCHENGZHONGDIANPIANZAIHEDEBODONGYINGXIAOYUGUIDINGZHIDE5％，BINGNENGKONGZHIHENGDINGDEJIAZAI、XIEZAISUDU     2. JIEZHIJIDING

XITONG—YINGNENGTIGONGGUIDINGDESHIYANJIEZHIYALI，SHIYANGUOCHENGZHONGJIEZHIYALIBODONGYINGXIAOYUGUIDINGZHIDEo．5 0A；     3. CELOUXI

TONG—CELOUCAIYONGZHUANGTAIFANGCHENGFA。ZAIDIANPIANWAICE、SHANGXIAFALANMIANWENSHEZHIYIGEMIBIDEHUANXINGCELOUKONGQIANG，CELOUKONGQIANGDECHUSHIRONG

JIV。JIRONGJIBIANHUAXIUZHENGXISHUK，YINGJINGYANGEBIAODING，CELOUXITONGFENBIANLVYINGBUDIYU10“cm3，XITONGWUCHAYINGBUDAYU0．5％

。    4. JIJIA—ZHICHENG     5. SHIYANFALAN—CAIYONGGANGXINGMONIPINGMIANFALAN，FALANHOUDUt，YUFALANZHIJINGD，ZHIBIWEItf／

D。≥l／3，FALANCAILIAODEQIANGDUHOU≥500 MPa(50．98 kgf／mm2)；MIFENGMIANYINGDUBUXIAOYUHRC40；MIFENGMIANBIAOMIANCUCAO

DURPANYINGZAI5～10 tzmZHIJIAN(XIANGDANGYUMIAO)。

 ER． QICIDADAOSHIYANTIAOJIAN 1. SHIYANWENDU 15～25℃  2. DIANPIANYUJINYINGLI  GENJUDIANPIANDEZHONGLEIXUANZEQUEDING  3. SHIYAN

JIEZHI  99．9％DEDANQI  4. SHIYANJIEZHIYALI  QUGONGCHENGYALIDEl．1BEI 

 开始试验，
操作程序如下  

用丙酮仔细清理法兰密封面，垫片对中安装 
 2. 按(试验条件)规定，对垫片施加预紧应力，达到规定值后保持15min 
3. 标定测漏空腔的初始容积及容积变化修正系数   公式为Vc﹦Vb（P?v-Pb／Pc-P?v） 式中：Vc----侧漏

KONGQIANGDECHUSHIRONGJI，㎝3       Vb----BIAOZHUNRONGQIDETIJI，㎝3        Pb----BIAOZHUNRONGQIDEYALI，Pa(mmH?O)    

   Pc----CELOUKONGQIANGZHONGJIDINGDEYALI，Pa(mmH?O)        P?v----BIAOZHUNRONGQIYUCELOUKONGQIANGLIANTONGHOUDEPINGHENGYALI，

Pa(mmH?O) 4
. 按（试验条件）要求，通入试验介质，当介质压力达到规定之后保持10min 5. 记录测量开始时测量空腔

NEIDEYALIP?、DIANPIANDEYASUOLIANGDg?JICELIANGKONGQIANGDEWENDUT?BINGKAISHIJISHI，2 minHOUJILUCELIANGJIESHUSHICELIANGKONGQIANGNEIDEYA

LIP?、DIANPIANDEYASUOLIANGDg?JICELIANGKONGQIANGDEWENDUT ? SI． XIELOUSHIJISUAN    GONGSHIWEILr＝(Tst／Pst)×[ (P﹢Pr) 

／（T﹢Tr）] ×Vc/t×[-(K?×Dg)/Vc＋P/(P＋ Pr)-T/（T＋(T＋Tr) ]