BS EN 10226-3-2005 Pipe threads where pressure-tight joints are made on the threads - Verification by means of limit gauges《螺纹上有压力密封接缝的管螺纹 用极限量规验证》.pdf

1、%5,7,6+67$1$5%6(13LSHWKUHDGVZKHUHSUHVVXUHWLJKWMRLQWVDUHPDGHRQWKHWKUHDGV3DUW9HULILFDWLRQEPHDQVRIOLPLWJDXJHV7KH(XURSHDQ6WDQGDUG(1 KDVWKHVWDWXVRI D%ULWLVK 6WDQGDUG,$03/( 7KH WROHUDQFH RQ WKH GLDPHWHU RI D VLHWDSHU IXOO IRUP WKUHDGHG SOXJJDXJH LV O P P P127( 7KH WROHUDQFH RQ WDSHU LV DSSOLHG VXFK WKDWWK

2、H WROHUDQFH ZLOO WHQG WR LQFUHDVH WKH WDSHUWKDW LVWKH WDSHU DQJOH ZLOOEHFRPHODUJHUBS EN 10226-3:2005(1 ( 7DEOH )RUPXODHIRUWKH FDOFXODWLRQ RI GLDPHWHUV DWWKH JDXJH SODQHIRU JDXJH 1RVDQG LDPHWHU 7DSHU IXOO IRUP WKUHDGHGSOXJJDXJHV3DUDOOHO IXOO IRUP WKUHDGHGULQJJDXJHV0DMRUGLDPHWHU SOXJJDXJHV RUFOHDUDQFH

3、GLDPHWHU ULQJJDXJHV 73/ 73/! G3LWFKGLDPHWHU 73/ 73/VHH0LQRUGLDPHWHU ULQJJDXJHV RUFOHDUDQFHGLDPHWHU SOXJJDXJHV G 75 757DEOH LDPHWUDO WROHUDQFHV DQG ZHDU DOORZDQFHV IRU JDXJH 1RV DQG 7ROHUDQFHVLQPLFURPHWUHVHVLJQDWLRQ RI WKUHDG 7573/ DQG DQGDQG WR WR BS EN 10226-3:2005(1 ( 7DEOH 7ROHUDQFHV RQ OHQJWKV7R

4、OHUDQFHVLQPLOOLPHWUHVHVLJQDWLRQ RI WKUHDG 7ROHUDQFHV RQ OHQJWKVLPHQVLRQVO O OO O OOEWR DQG WR 7DEOH 7ROHUDQFHV RQ SLWFK7ROHUDQFHVLQPLFURPHWUHVHVLJQDWLRQ RI WKUHDG 7ROHUDQFH RQ SLWFK73 WRWR WR 7DEOH 7ROHUDQFHV RQ IODQN DQJOH7ROHUDQFHVLQPLQXWHV7ROHUDQFH RQ IODQN DQJOHHVLJQDWLRQ RI WKUHDG 7 7)XOOIRUP W

5、KUHDGV 0RGLILHGIRUP WKUHDGV DQG DQG DQG WR BS EN 10226-3:2005(1 ( 7DSHU SODLQ ULQJJDXJHV *DXJH GLPHQVLRQVLPHQVLRQV RIJDXJHVVKDOO EH DV JLYHQ LQ DQG 7DEOHHFHSWWKDWWKH GLDPHWHUV RI QHZ ULQJJDXJHV DUHUHGXFHGEDQDPRXQW 75IURP WKHGLDPHWHUVDWWKHJDXJH SODQHWRSURYLGHDZHDUDOORZDQFH VHH7DEOH 3ODLQULQJJDXJHLDPH

6、WHUDWJDXJHSODQH G 75 75 0DQXIDFWXULQJ WROHUDQFHV DQG ZHDU DOORZDQFHV7KHWROHUDQFHVIRUPDQXIDFWXULQJDUHD WROHUDQFH RQ GLDPHWHUV DQG ZHDU DOORZDQFHV WKH WROHUDQFHV RQ GLDPHWHUV DQG ZHDU DOORZDQFHV DUHJLYHQ LQ7DEOHE WROHUDQFHRQOHQJWKVWKHWROHUDQFHV RQ OHQJWKVDUHJLYHQLQ7DEOHF WROHUDQFH RQ WDSHU 7KH WROHUDQ

7、FHV RQ WKH WDSHU RI WKH SODLQ ULQJJDXJHV PHDVXUHG RQ GLDPHWHU LV O PZKHUH O LVWKHRYHUDOO OHQJWK LQPLOOLPHWUHV RIWKHUHOHYDQWJDXJH127( 2QWKHSODLQULQJJDXJHWKHRYHUDOOOHQJWKZLOOHFOXGHWKH FRXQWHUERUHDWWKHVPDOO HQG127( 7KH WROHUDQFH RQ WDSHU LV DSSOLHG VXFK WKDWWKH WROHUDQFH ZLOO WHQG WR UHGXFH WKH WDSHUWK

8、DW LVWKH WDSHU DQJOH ZLOOEHFRPHVPDOOHU 7DSHU PRGLILHG WKUHDG IRUP FKHFNSOXJJDXJHV *DXJH GLPHQVLRQVLPHQVLRQV RIJDXJHVVKDOO EH DV JLYHQ LQ DQG 7DEOHHFHSWWKDWWKH WKUHDG GLDPHWHUV VKDOO EH UHGXFHGEDQ DPRXQW 75IURP WKH EDVLFGLDPHWHUV DWWKH JDXJH SODQH WR DOLJQ ZLWK WKH VDPH UHGXFWLRQ LQ WKH IXOO IRUPWKUH

9、DGHG ULQJJDXJH GLPHQVLRQV$ IXUWKHUUHGXFWLRQ VKDOO EH DSSOLHG WR WKH PDMRU GLDPHWHU LQ WKH IRUPRI DWUXQFDWLRQ DQG WR WKH PLQRU GLDPHWHU LQ WKHIRUPRI DFOHDUDQFHJURRYH WR HQVXUH FOHDUDQFH DWWKH FUHVW DQG URRW LQXVH7KH FOHDUDQFHJURRYH PD EH RPLWWHG SURYLGHG WKDWWKH UDGLXV DWWKH URRW RI WKH WKUHDG LVUHGX

10、FHG VXFK DVWRHQVXUH WKHUH ZLOO EH QR LQWHUIHUHQFH ZLWK WKH FUHVWV RI WKH WKUHDGV RQ WKH SDUDOOHO IXOO IRUP WKUHDGHG ULQJJDXJHV LQXVH7KH LQFRPSOHWH WKUHDGV DW HDFKHQG RI WKH JDXJH VKDOO EH UHPRYHG RU DFKDPIHU SURYLGHGDVVKRZQ LQ )LJXUH7KH DPRXQWRILQFRPSOHWHWKUHDG UHPRYHGVKDOO EHEHWZHHQ3 DQG37KH UHPRYD

11、ORILQFRPSOHWHWKUHDGV LVWKHSUHIHUUHGPHWKRG)RUPXODHIRUWKH FDOFXODWLRQRIWKUHDG GLDPHWHUVDWWKH JDXJHSODQHDUHJLYHQLQ7DEOH7DEOH )RUPXODHIRU FDOFXODWLRQ RI GLDPHWHUV DWWKH JDXJH SODQHIRU JDXJH 1RLDPHWHU )RUPXOD0DMRUGLDPHWHU G 75 ) 7&33LWFKGLDPHWHU G 75 7&3&OHDUDQFHGLDPHWHU G 75 75 BS EN 10226-3:2005(1 ( 0D

12、QXIDFWXULQJ WROHUDQFHV7KHWROHUDQFHVIRUPDQXIDFWXULQJDUHD WROHUDQFHVRQ WKUHDGGLDPHWHUVWKHWROHUDQFHVRQWKUHDGGLDPHWHUVDUHJLYHQLQ7DEOHE WROHUDQFHVRQ OHQJWKVWKH WROHUDQFHVRQ OHQJWKV DUHJLYHQLQ7DEOHF WROHUDQFHVRQ SLWFKWKHWROHUDQFHVRQSLWFKDUHJLYHQLQ7DEOHG WROHUDQFHVRQ IODQN DQJOHWKHWROHUDQFHVRQ WKHIODQN DQJ

13、OHRIDUHJLYHQLQ7DEOHH WROHUDQFHVRQ WDSHUWKHWROHUDQFHVRQ WDSHUVKDOOEHDVJLYHQLQH 7DEOH 7ROHUDQFHV RQ WKUHDG GLDPHWHU IRU JDXJH 1RV DQG 7ROHUDQFHVLQPLFURPHWUHVHVLJQDWLRQ RI WKUHDG 7&3 DQGDQGDQGWR WR 3DUDOOHOPRGLILHG WKUHDG IRUP FKHFN ULQJJDXJH *DXJH GLPHQVLRQVLPHQVLRQV RIJDXJHVVKDOO EH DV JLYHQ LQ DQG 7

14、DEOHHFHSWWKDWWKH SLWFK GLDPHWHUV DUH DGMXVWHG VXFKDVWRDOORZ WKH SLWFK GLDPHWHUWR EH YHULILHG ZLWK WKH WDSHU PRGLILHG WKUHDG IRUP FKHFNSOXJJDXJH7KH PDMRU DQG PLQRUGLDPHWHUV DUH DGMXVWHGE DFOHDUDQFHJURRYH DQGE WUXQFDWLRQ UHVSHFWLYHO WR HQVXUH FOHDUDQFH DWWKH URRW DQGFUHVWLQXVH7KH FOHDUDQFHJURRYH PD EH

15、 RPLWWHG SURYLGHG WKDWWKH UDGLXV DWWKH URRW RI WKH WKUHDG LVUHGXFHG VXFK DVWRHQVXUH WKHUH ZLOO EH QR LQWHUIHUHQFH ZLWK WKH FUHVWV RI WKH WKUHDGV RQ WKH WDSHU IXOO IRUP WKUHDGHG SOXJJDXJHV LQXVH7KH LQFRPSOHWH WKUHDGV DW HDFKHQG RI WKH JDXJH VKDOO EH UHPRYHG RU DFKDPIHU SURYLGHGDVVKRZQ LQ )LJXUH7KHDPR

16、XQWRILQFRPSOHWHWKUHDGUHPRYHGVKDOO EHEHWZHHQ3 DQG3)RUPXODHIRUWKH FDOFXODWLRQ RI WKH PDMRU DQG PLQRUWKUHDG GLDPHWHUV DUHJLYHQ LQ 7DEOH$ IRUPXOD IRUWKHFDOFXODWLRQRI SLWFK GLDPHWHU LV QRW JLYHQ EHFDXVH WKH SLWFK GLDPHWHU ZLOOEH FRQWUROOHGE WKH WDSHU PRGLILHG WKUHDGIRUP FKHFNSOXJJDXJH7DEOH )RUPXODHIRUWKH

17、 FDOFXODWLRQ RI GLDPHWHUV DWWKH JDXJH SODQHIRU JDXJH 1RLDPHWHU )RUPXOD&OHDUDQFHGLDPHWHU ! G73/ 3LWFKGLDPHWHU 6HH 0LQRUGLDPHWHU ) 73/BS EN 10226-3:2005(1 ( 0DQXIDFWXULQJ WROHUDQFHV7KHWROHUDQFHVIRUPDQXIDFWXULQJDUHD WROHUDQFHVRQ WKUHDGGLDPHWHUVWKHWROHUDQFHVRQWKUHDGGLDPHWHUVDUHJLYHQLQ7DEOHE WROHUDQFHVRQ

18、 OHQJWKVWKH WROHUDQFHVRQ OHQJWKV DUHJLYHQLQ7DEOHF WROHUDQFHVRQ SLWFKWKHWROHUDQFHVRQSLWFKDUHJLYHQLQ7DEOHG WROHUDQFHVRQ IODQN DQJOHWKHWROHUDQFHVRQ WKHIODQN DQJOHRIDUHJLYHQLQ7DEOH &KHFNLQJ RI QHZ JDXJHV &KHFNLQJ RI QHZ WDSHU IXOO IRUP WKUHDGHG SOXJJDXJHV7KHVH VKDOO EH FKHFNHGE GLUHFW PHDVXUHPHQW DQG VK

19、DOO FRQIRUP WR WKH GLPHQVLRQV DQG WROHUDQFHVVSHFLILHG LQDQG HFHSWWKDWWKH SLWFK GLDPHWHU PDEHFKHFNHG ZLWKWKHSDUDOOHOPRGLILHG WKUHDG IRUP FKHFN ULQJJDXJHDWWKH GLVFUHWLRQRI WKH PDQXIDFWXUHUXQOHVVVSHFLILHGRWKHUZLVHEWKH SXUFKDVHU7KHIDFHRIWKH VWHSRI WKHWDSHU IXOO IRUP WKUHDGHG SOXJJDXJH VKDOO EH ZLWKLQ WK

20、H OLPLWV VKRZQ LQ )LJXUH UHODWLYH WR WKDW IDFH RI WKH SDUDOOHOPRGLILHGWKUHDG IRUP FKHFNULQJJDXJH ZKLFKLVPDUNHGWRLQGLFDWHWKH SRVLWLRQRI WKHJDXJHSODQH127( ,Q WKH HYHQW RI DGLVSXWH UHJDUGLQJ WKH SLWFK GLDPHWHU RI WKH WDSHU IXOO IRUP WKUHDGHG SOXJJDXJHVUHVXOWV REWDLQHGE GLUHFW PHDVXUHPHQWWDNH SUHFHGHQFH

21、 RYHUUHVXOWV REWDLQHG IURP WKH XVH RI WKH SDUDOOHOPRGLILHG WKUHDG IRUP FKHFN ULQJJDXJH.H *DXJHV1RDQG *DXJHV1R LVWDQFHIURP IDFHRIVWHSRQSOXJJDXJHWRIDFHRIULQJJDXJHVKDOO EH O3 VHH7DEOHIRUYDOXHVRIO 7KLVIDFHPDUNHGWRLQGLFDWHSRVLWLRQRIJDXJH SODQH)LJXUH &KHFNLQJ RI SLWFK GLDPHWHU RI QHZ WDSHU IXOO IRUP WKUHDGHG SOXJJDXJHVXVLQJ SDUDOOHOPRGLILHG WKUHDG FKHFN ULQJJDXJHBS EN 10226-3:2005