Technical Information
DPL714
877.963.4966 •
dixonvalve.com
W
817
Thread Sealing Tips
Thread Seal Type
$ VHDO LV REWDLQHG E\ DSSO\LQJ D VHDODQW WR WKH PDOH
WKUHDG EHIRUH HQJDJLQJ
7
KH VHDODQW LV XVHG WR SUHYHQW VSLUDO OHDNDJH
7
KUHDG WDSH RU SDVWH LV WKH SUHIHUUHG VHDODQW LQ WKLV W\SH RI
DSSOLFDWLRQ
3
OHDVH UHIHU WR SDJH IRU WKUHDG WDSH RSWLRQV
Washer Seal Type
$ VHDO LV REWDLQHG ZKHQ WKH PDOH WKUHDG LV WLJKWHQHG GRZQ
RQWR WKH ZDVKHU RI WKH IHPDOH DVVHPEO\
7
KH ZDVKHU VKRXOG EH LQVSHFWHG UHJXODUO\ DQG UHSODFHG DV
QHHGHG WR SUHYHQW OHDNDJH
3
OHDVH UHIHU WR SDJHV
DQG IRU UHSODFHPHQW
ZDVKHUV
Mechanical Seal Type
$ VHDO LV REWDLQHG WKURXJK PHWDO WR PHWDO FRQWDFW RU PHWDO WR
VHDO FRQWDFW L H -,& FRXSOLQJV SDJH KDYH D PHWDO WR
PHWDO VHDO %RVV *URXQG -RLQW FRXSOLQJV SDJHV
KDYH D PHWDO WR VHDO FRQWDFW VKRZQ DERYH
7
KH FRXSOLQJV VKRXOG EH UHWLJKWHQHG DV QHHGHG WR SUHYHQW
OHDNDJH
Thread Sealing Tips
6
HDOLQJ 137 WKUHDGV FDQ EH DQ H[DVSHUDWLQJ H[SHULHQFH
LI FHUWDLQ WHFKQLTXHV DUH QRW IROORZHG 7KH IROORZLQJ WLSV ZLOO
help alleviate many common problems in thread sealing:
$OZD\V XVH VRPH W\SH RI VHDODQW WDSH RU SDVWH DQG DSSO\
VHDODQW WR PDOH WKUHDG RQO\ ,I XVLQJ D K\GUDXOLF VHDODQW
DOORZ VXI¿FLHQW FXULQJ WLPH EHIRUH V\VWHP LV SUHVVXUL]HG
:
KHQ XVLQJ WDSH VHDODQW ZUDS WKH WKUHDGV LQ D FORFN
ZLVH PRWLRQ VWDUWLQJ DW WKH ¿UVW WKUHDG DQG DV OD\HUV DUH
DSSOLHG ZRUN WRZDUGV WKH LPSHUIHFW YDQLVKLQJ WKUHDG
If the system that the connection being made to cannot
WROHUDWH IRUHLJQ PDWWHU L H DLU V\VWHPV OHDYH WKH ¿UVW
thread exposed and apply the tape sealant as outlined
DERYH
:
KHQ XVLQJ SDVWH VHDODQW DSSO\ WR WKUHDGV ZLWK D EUXVK
XVLQJ WKH EUXVK WR ZRUN WKH VHDODQW LQWR WKH WKUHDGV $SSO\
HQRXJK VHDODQW WR ¿OO LQ DOO WKH WKUHDGV DOO WKH ZD\ DURXQG
:
KHQ FRQQHFWLQJ RQH VWDLQOHVV VWHHO SDUW WR DQRWKHU
VWDLQOHVV VWHHO SDUW WKDW ZLOO UHTXLUH IXWXUH GLVDVVHPEO\ XVH
a thread sealant that is designed for stainless steel (see
SDJH
7
KLV VWDLQOHVV VWHHO WKUHDG VHDODQW LV DOVR XVHIXO
when connecting aluminum to aluminum that needs to be
GLVFRQQHFWHG LQ WKH IXWXUH 7KHVH WZR PDWHULDOV JDOO HDVLO\
DQG LI WKH FRUUHFW VHDODQW LV QRW XVHG LW FDQ EH QH[W WR
LPSRVVLEOH WR GLVDVVHPEOH
:
KHQ FRQQHFWLQJ SDUWV PDGH RI GLVVLPLODU PHWDOV L H VWHHO
DQG DOXPLQXP VWDQGDUG WDSH RU SDVWH VHDODQW SHUIRUPV
VDWLVIDFWRU\
)
RU VL]HV DQG EHORZ WDSH RU SDVWH SHUIRUPV VDWLVIDFWRU\
:
KHQ XVLQJ WKUHDG WDSH IRXU ZUDSV FRYHULQJ DOO
QHFHVVDU\ WKUHDGV LV XVXDOO\ VXI¿FLHQW
)
RU VL]HV ò DQG DERYH WKUHDG SDVWH LV UHFRPPHQGHG
,
I WKUHDG WDSH LV XVHG HLJKW ZUDSV FRYHULQJ DOO QHFHVVDU\
WKUHDGV LV XVXDOO\ VXI¿FLHQW $SSO\ PRUH ZUDSV LI
QHFHVVDU\
)
RU VWXEERUQ WR VHDO WKUHDGV DSSO\ D QRUPDO FRDWLQJ RI
WKUHDG SDVWH IROORZHG E\ D QRUPDO OD\HU RI WKUHDG WDSH
)
RU H[WUHPHO\ VWXEERUQ WR VHDO WKUHDGV DSSO\ D QRUPDO
coating of thread paste followed by a single layer of gauze
EDQGDJH IROORZHG E\ D QRUPDO OD\HU RI WKUHDG WDSH
Caution!
:
KHQ WKLV SURFHGXUH LV GRQH WKH FRQQHFWLRQ EHFRPHV
SHUPDQHQW ([WUHPH PHDVXUHV ZLOO EH QHFHVVDU\ WR
GLVFRQQHFW WKHVH FRPSRQHQWV
All other measures to seal
the threads should be explored prior to use of this technique.
2
YHU WLJKWHQLQJ WKUHDGV FDQ EH MXVW DV GHWULPHQWDO DV
LQVXI¿FLHQW WLJKWHQLQJ )RU VL]HV DQG EHORZ KDQG
WLJKWHQ WKH FRPSRQHQWV DQG ZLWK D ZUHQFK WLJKWHQ
IXOO WXUQV )RU VL]HV ò DQG DERYH KDQG WLJKWHQ WKH
FRPSRQHQWV DQG ZLWK D ZUHQFK WLJKWHQ IXOO WXUQV