1??? ?3???°è?????????3???°????¤'???????????±?3???°????????????è?o??????è??????o?è??????????o????????????????°????????????????è???????????é???3???°?3???????é??è???????-é???????¨????3???°?????¨??¨è???¤?????3????è???¤????è????o????3???°???
2??? ???é?????????3???°??????????????a????3?
1??? ??§?'2?3???°????3??????·???DIN?????????è??è?????
a??? ????§°?????????0.1, 0.25, 0.6, 1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16.0, 25.0,
32.0, 40.0, Mpa
b??? ??????é????????15~600mm
c??? ?3???°???????????????????13?????????????13????????????????????·è?1??????????????1?????·è?1??????????????1????????????????????1???????????|é??è?o?o1è?????????????'??????????3???°???
d??? ?3???°????°?é?????????13é???????1é???????1???é??????|??§?é????????è?????è?????é?????é??é??é?????è???????????é??
e??? è??è???o?1980?1'?????????OCT????3???°?????????????????·???DIN?????????????????????è??è?°
2??? ????'2?3???°????3??????????ANSI B16.5???é?????????3???°????3???°?????????
a??? ????§°?????????150psi???2.0Mpa??????300psi???5.0Mpa??????400psi???6.8Mpa??????600psi???10.0Mpa??????900psi???15.0Mpa??????1500psi???25.0Mpa??????2500psi???42.0Mpa??????
b??? ??????é????????6~4000mm
c??? ?3???°???????????????????????????????????????è?o?o1è???????????????????1???????3???°???
d??? ?3???°????°?é???????1é???????1???é??????|??§?é?????é???±????è?????é??
3??? ??????JIS????3???°?????¨??3?21????·?è???????-???è???????¨?o??????¨?·??¨??????¨???é???????±???è???°??????¨???é??????2????????????????????3????
3??? ??????é?????????3???°????????????????3?GB
1??? ????§°?????????0.25Mpa~42.0Mpa
a??? ?3????1???PN1.0, PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42???????3???????
b??? ?3????2???PN0.25, PN0.6, PN2.5, PN4.0
?????-PN0.25???PN0.6???PN1.0???PN1.6???PN2.5???PN4.0??±6??a?-??o§????3???°?°o????3??±??o??????·????3???°??o???è?¨?????§?'2?3???°????3????????????o???????3???°??o???è?¨???????'2?3???°????3????
??¨GB????????-???????±??o???§?'2?3???°????3????????§°???????o§????¤§?????o4Mpa???????±??o?????'2?3???°????3????????§°???????o§????¤§??o42Mpa???
2??? ????§°é????????10mm~4000mm
3??? ?3???°??????????????????
??'????3???°
???????3???°
a???è?o?o1?3???°
b??????????3???° ??1????3???°
??|é???13????3???° ??|é????????????3???° ???????13????3???°
c??????????3???° ??1??????????????|é???3???° ??1???????????????????3???° ?13???????????????????3???° ?????????è?????????3???°
d????3???°????????2?-??3???°???
4??? ?3???°????°?é??????13é???????1é???????1???é??????|??§?é????????è?????é??
?o???? ??aè?¨?????¨???????3???°??????????3?
1??? DIN??????
1??? ?????¨???????-??o§???PN6???PN10???PN16???PN25???PN40???PN64???PN100???PN160???PN250
2??? ?3???°????°?é????? raised face DIN2526C ?a?é???3???° grooued acc. DIN2512N ?|??§?é??
2??? ANSI??????
1??? ?????¨???????-??o§???CL150???CL300???CL600???CL900???CL1500
2??? ?3???°????°?é?????ANSI B 16.5 RF flanges ?a?é???3???°
3??? JIS?????????????????¨
1??? ?????¨???????-??o§???10K???20K
?????? ?|?????????¨??·??¨è??é????1?3???°????????????é????????
1??? ??¨??·è|??±???????é????1?3???°???é????????
???????????¨??·é????????è?????é??è?????????????·??o???70FS80-E0A00A1B100 E???PN40 DIN2501???raised face
DIN2526C
??¨??·è|??±???????é????1?3???°???é?????
è§???3????3?????-¤???????????a????????????DIN2501??o????3???°???DN2526C??o?3???°é??????????????
???é?????????????°DIN2635???DIN2635?°±??????DIN2501??o????3???°??????????3???°é??é?????DIN2526C???é????1?3???°??????????°??-¤??????????????¨??·??3??????
2??? ??¨???è?????é??è??é???????????é????¨ANSI????????????é???3¨???Sch80???Sch40????·????????1???????é????????é???????????é???????3?????aè?¨é??Sch80??????é???1?é??Sch80????????????é?????????????aè?¨???????1?é?'???????????a?a???o???
é??????°o????3???????è?±??????????????????
è?±????????????é?????é????¨???é??????3????
??????????????°????1'?????????????·?é?¨é?¨??????????·????é?¨é?¨?1??3??????¨???é??????¤?????°o????3????
é??????3????
????3???°??????
???????-??o§??????
PN0.25???0.6???1.0???1.6???2.5???4.0Mpa??o??·???????3???°?3????
GB9112~9125-88
PN2.0???5.0???10.0???15.0???25.0???42.0Mpa??o??????????3???°?3????
è?±??????
SHJ406-89 ?????-?????3?????????????·??¨???oè???????????
PN2.0???5.0???6.8???10.0???15.0???25.0???42.0Mpa??o??????????3???°?3????
?????????
HG5003~5028-58 JB75~86-59
PN0.25???0.6???1.0???1.6???2.5???4.0???6.4???10.0???16.0???20.0Mpa??oè??????o???·???????3???°???è??è???o?????1'???????3???°?3???????
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