Page 485 - Content.pmd

CPeL°p CqYûLLs ETúVôLl RVô¬dLlTÓ¡u\]. B]ôp AûYLs
TÓ¡u\]. ùUÚùLiùQn éNlThP Rôs Aû]jÕm ÏßdÏ ùYhÓj úRôt\j§p
AûPl©u úUtTWl©p ¸\p ApXÕ TÝÕ YhPUôL CÚlT§pûX.
HtTPôUp TôojÕd ùLôs[ úYiÓm.

CVeÏ AûPl×Ls RVô¬dL
ETúVôLlTÓm ùTôÚhLs
• CVtûL WlTo (Natural rubber)
• ûShûWp (Nitrile)

• ®óhúPôu (Viton)

• ©[ôv¥dv (PTFE plastics)
• @TúVôùWô£XõLôu (Flurosilicone)
• lëhûPp (Butyl)

• ¨úVôl¬u (Neoprene)

• lú[ôúWôLôoTu (Fluro carbon)
AhPYûQ 1p TpúYß ùTôÚhLÞdÏ
AàU§dLd á¥V ùYlT¨ûXLs
ϱl©PlThÓs[].
AhPYûQ 1
BWYûL ERÓ AûPl×Ls (Radial seals)
ùTôÚhLs ùYlT¨ûX ùTôÚhLs ùYlT¨ûX
¥¡¬ C BWYûL ERÓ AûPl×Ls, ÑZÛm, Øu©u
CVeÏm ApXÕ FNXôÓm RiÓL°p
CVtûL -50 ØRp @lú[ôúWô -50 ØRp EVÜl ùTôÚhLû[ RdL ûYjÕd
WlTo +80YûW £-Lôu +100 YûW
ùLôsYûR ©WRô] úYûXVôLÜm,
ûSh]Wp -30 ØRp @lëhûPp -40 ØRp ùY°lùTôÚhLû[ Esú[ ®PôUp
+110 YûW +100 YûW
TôojÕd ùLôsYûR CWiPôYÕ
®húPu -40 ØRp ¨úVô©¬u -40 ØRp úYûXVôLÜm ùNn¡u\].
+180 YûW +100 YûW
®p®ûN At\ AûPl×Ls (Non spring
PTFE -85 ØRp @lú[ôúWô -20 ØRp
loaded seals)
+260 YûW LôoTu +140 YûW
CVeÏ AûPl×L°u YûLLs (Types of CûYLs A§L TûNj RuûU Es[ EVÜl
dynamic seals) ùTôÚsL[ô] ¡Ãv úTôu\Ytû\ 600 Á/
¨ ªdÏm Ïû\Yô] úYL A[Ü ùLôiP
CqYûL AûPl×Ls ¨ûX AûPl×Lû[
RiÓL°p RdL ûYjÕd ùLôs[
®P A§L L¥]Uô] ãr¨ûX«p úYûX
TVuTÓ¡u\].
ùNnV úYi¥«ÚdÏm. Hù]²p
AûPdLlTÓm CWiÓ ùTôÚkÕm ®p®ûN ùLôiP AûPl×Ls (Spring
loaded seals) (Fig11)
TWl×LÞdÏ CûP«p CVdLm
SûPùTß¡u\Õ.
O Yû[V AûPl× (O Ring seal) (Fig 9 & 10)

CûYLs ùTôÕYôL ªL A§L A[®p
TVuTÓm A§L TVuTôÓûPV CVeÏ
AûPl× YûLûVf NôokRûY. A§L A[Ü
AÝjRm Es[ CPeL°p ØhÓ
Yû[VeLs ùTôÚj§ ETúVô¡d¡u\]o.
CúR Uô§¬Vô] TXYûLlThP
AûPl×Ls £\l× úYûXL[dLôL

464 £_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.8.113&114