Page 78 - Plumber- TT - 1st Year - Tamil

BSP ÏZôn A[Ü 1 Ae. ùY° ®hPm / ë²ûTÓ UûW (Unified thread) (Fig 10)
(A) DIN 2999 (Es) (B) UûW ÏZô«u ªÁ (A)
1/2" 14 20.955 Fig 10
3/4" 14 26.441
1" 11 33.249

11/4" 11 41.910
11/2" 11 47.803
2" 11 59.614
2 1/2" 8 75.184

3" 8 87.884
4" 8 113.030
ùUh¬d Utßm AeÏX Y¬ûN
Fig 8 Cq®Wi¥tÏm CkR UûWûV HtTÓj§
Es[Õ. CRu úLôQm 60° C§p Es[ Ef£
Utßm úYo RhûPVôL CÚdÏm. CRu
©\ A[ÜLs TPj§p (Fig 10) LôhPlThÓ
Es[Õ, CkR UûWLs úTôÕYô] ùTô±«Vp
CûQjRp úYûXLÞdÏ
(A) AÓjÕs[ CWiÓ UûWLs ØÝûUVô]
TVuTÓjRlTÓ¡u\]. úUh¬d
A¥l×\eLû[d ùLôiÓs[]. B]ôp
JÝeÏØû\«p Es[ CmUûW«û]
AûYL°u úUtTϧ RhûPVôL Es[].
YûWTPj§p ϱl©Óm úTôÕ úLôov
(B) LûP£ 4 UûWL°u úUtTϧÙm Y¬ûN UûWLÞdÏm 'M' Gu\ GÝjÕPu
A¥lTϧÙm RhûPVôL Es[]. (C)
ùT¬V ®hPj§u A[ûYÙm
Fig 9-p LôhPlThÓs[ ûTl CûQl× Ï±dLlTÓ¡\Õ.
¸rdϱjÕs[ûYLû[d ùLôiÓs[Õ.
ERôWQm M12, M14

Fig 9 ÖiY¬ûN (fine series) UûWLÞdÏ 'M' Gu\
GÝjÕPu ùT¬V ®hPm Utßm ©hf (pitch)
ϱdLlTÓ¡\Õ.

ERôWQm M14 x 1.5, M24 x 2 JÝeLt\ Y¬ûN
Utßm Öi Y¬ûN UûW«u ׬«ûPj
çWeLs AhPYûQ«p ùLôÓdLl
ThÓs[]].
AùU¬dLu úR£V UûW (American national
thread) (Fig 11)

Fig 11
1 CûQVô] ùTi UûW
2 N¬Yô] Bi UûW
3 ùaml (NQp) úTd¡e

ùaml úTd¡e, CWiÓ EúXôL UûWLÞdÏ
CûPúV (Bi Utßm ùTi UûWLs)
HRôYÕ £±V CûPùY° CÚkRôp AÕ
AûPdLlThÓ L£Ü CpXôUp RÓdÏm
GuTRtLôLf ùNnVlTÓ¡\Õ. (Fig 9)

58 ©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.3.14-17