{"id":3094,"date":"2017-08-28T21:50:41","date_gmt":"2017-08-29T01:50:41","guid":{"rendered":"http:\/\/omegaflex.com\/?page_id=3094"},"modified":"2018-07-25T06:27:23","modified_gmt":"2018-07-25T10:27:23","slug":"temperature-correction-factors","status":"publish","type":"page","link":"http:\/\/omegaflex.com\/fr\/engineering-design\/temperature-correction-factors\/","title":{"rendered":"Facteurs de correction de la temp\u00e9rature"},"content":{"rendered":"

Au fur et \u00e0 mesure que la temp\u00e9rature de service augmente, la pression maximale qu'un tuyau peut supporter diminue. Le mat\u00e9riau dans lequel le tuyau est fabriqu\u00e9 et la m\u00e9thode de fixation du raccord (m\u00e9canique, bras\u00e9, soud\u00e9, bras\u00e9 \u00e0 l'argent) d\u00e9terminent la pression maximale \u00e0 laquelle un assemblage peut \u00eatre utilis\u00e9. En utilisant les facteurs indiqu\u00e9s dans le tableau ci-dessous, il est possible de calculer la pression de service s\u00fbre approximative \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es pour les assemblages avec des raccords soud\u00e9s ou fix\u00e9s m\u00e9caniquement.<\/p>\n

Facteurs de correction de la temp\u00e9rature<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Temp (\u00b0F)<\/th>304, 316L
\nInox<\/th>		321
\nInox<\/th>		Bronze<\/th>Monel<\/th>Hastelloy<\/th>Inconel<\/th>\n<\/tr>\n<\/thead>\n
Chambre<\/td>\t
\n1.00<\/td>		1.00<\/td>\t
\n1.00<\/td>		1.00<\/td>1.00<\/td>1.00<\/td>\n<\/tr>\n
150<\/td>.96<\/td>.97<\/td>.92<\/td>.93<\/td>.97<\/td>.99<\/td>\n<\/tr>\n
200<\/td>.92<\/td>.94<\/td>.89<\/td>.90<\/td>.94<\/td>.98<\/td>\n<\/tr>\n
250<\/td>.91<\/td>.92<\/td>.86<\/td>.87<\/td>.92<\/td>.97<\/td>\n<\/tr>\n
300<\/td>.86<\/td>.88<\/td>.83<\/td>.83<\/td>.91<\/td>.97<\/td>\n<\/tr>\n
350<\/td>.85<\/td>.86<\/td>.81<\/td>.82<\/td>.89<\/td>.96<\/td>\n<\/tr>\n
400<\/td>.82<\/td>.83<\/td>.78<\/td>.79<\/td>.87<\/td>.95<\/td>\n<\/tr>\n
450<\/td>.80<\/td>.81<\/td>.75<\/td>.77<\/td>.86<\/td>.94<\/td>\n<\/tr>\n
500<\/td>.77<\/td>.78<\/td>-<\/td>.73<\/td>.85<\/td>.94<\/td>\n<\/tr>\n
600<\/td>.73<\/td>.74<\/td>-<\/td>.72<\/td>.84<\/td>.92<\/td>\n<\/tr>\n
700<\/td>.69<\/td>.70<\/td>-<\/td>.71<\/td>.82<\/td>.90<\/td>\n<\/tr>\n
800<\/td>.64<\/td>.66<\/td>-<\/td>.70<\/td>.81<\/td>.89<\/td>\n<\/tr>\n
900<\/td>-<\/td>.62<\/td>-<\/td>-<\/td>.79<\/td>.87<\/td>\n<\/tr>\n
1000<\/td>-<\/td>.60<\/td>-<\/td>-<\/td>.78<\/td>.86<\/td>\n<\/tr>\n
1100<\/td>-<\/td>.58<\/td>-<\/td>-<\/td>.75<\/td>.84<\/td>\n<\/tr>\n
1200<\/td>-<\/td>.55<\/td>-<\/td>-<\/td>.73<\/td>.82<\/td>\n<\/tr>\n
1300<\/td>-<\/td>.50<\/td>-<\/td>-<\/td>.69<\/td>.79<\/td>\n<\/tr>\n
1400<\/td>-<\/td>.44<\/td>-<\/td>-<\/td>.65<\/td>.77<\/td>\n<\/tr>\n
1500<\/td>-<\/td>.40<\/td>-<\/td>-<\/td>-<\/td>.74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
 <\/div>\n

Exemple :<\/h3>\n

Comment d\u00e9terminer si un tuyau inoxydable annulaire de 3\u20444\u2033 avec des raccords soud\u00e9s est satisfaisant pour les conditions de fonctionnement donn\u00e9es :<\/p>\n

Compte tenu de ce qui pr\u00e9c\u00e8de :<\/strong><\/p>\n

La temp\u00e9rature maximale de fonctionnement est de 700\u02da F.
\nLa pression maximale de fonctionnement est de 200 PSIG.<\/p>\n

Calcul :<\/strong><\/p>\n

D'apr\u00e8s le tableau des sp\u00e9cifications de la page 5, la pression d'\u00e9clatement nominale de \u00be\" 312- SP0075 avec raccords soud\u00e9s est de 3200 PSIG.
\nD'apr\u00e8s le tableau des facteurs de correction de la temp\u00e9rature, le facteur pour l'acier inoxydable \u00e0 700\u02daF est de 0,70.
\nPression d'\u00e9clatement nominale : 3200 PSIG x .70 = 2240
\nPSIG (pression d'\u00e9clatement nominale \u00e0 700\u02daF)
\nPression de fonctionnement s\u00fbre : 2240 \u00f7 4 = 560 PSIG (en utilisant un facteur de s\u00e9curit\u00e9 de 4:1)<\/p>\n

R\u00e9sultat :<\/strong><\/p>\n

\u00c9tant donn\u00e9 que la pression de fonctionnement maximale pour 312-SP0075 \u00e0 700\u02daF est de 560 PSIG, le tuyau r\u00e9pondra aux conditions de fonctionnement requises d\u00e9crites ci-dessus.<\/p>\n

Pression de vapeur satur\u00e9e \u00e0 la temp\u00e9rature (PSIG)<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Satur\u00e9
\nVapeur (PSIG)<\/th>		Temp\u00e9rature (\u02daF)<\/th>Satur\u00e9
\nVapeur (PSIG)<\/th>		 Temp\u00e9rature (\u02daF)<\/th>Satur\u00e9
\nVapeur (PSIG)<\/th>		Temp\u00e9rature (\u02daF)<\/th>\n<\/tr>\n<\/thead>\n
0<\/td>212<\/td>150<\/td>366<\/td>450<\/td>460<\/td>\n<\/tr>\n
10<\/td>238<\/td>175<\/td>377<\/td>475<\/td>465<\/td>\n<\/tr>\n
20<\/td>259<\/td>200<\/td>388<\/td>500<\/td>470<\/td>\n<\/tr>\n
30<\/td>274<\/td>225<\/td>397<\/td>550<\/td>480<\/td>\n<\/tr>\n
40<\/td>287<\/td>250<\/td>406<\/td>600<\/td>489<\/td>\n<\/tr>\n
50<\/td>298<\/td>275<\/td>414<\/td>700<\/td>505<\/td>\n<\/tr>\n
60<\/td>307<\/td>300<\/td>422<\/td>800<\/td>520<\/td>\n<\/tr>\n
75<\/td>320<\/td>325<\/td>429<\/td>900<\/td>534<\/td>\n<\/tr>\n
80<\/td>324<\/td>350<\/td>436<\/td>1000<\/td>546<\/td>\n<\/tr>\n
90<\/td>331<\/td>375<\/td>442<\/td>1250<\/td>574<\/td>\n<\/tr>\n
100<\/td>338<\/td>400<\/td>448<\/td>1500<\/td>606<\/td>\n<\/tr>\n
125<\/td>353<\/td>425<\/td>454<\/td>2500<\/td>669<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

Pression de vapeur satur\u00e9e par rapport \u00e0 la temp\u00e9rature (Hg)<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Vapeur satur\u00e9e
\nLe vide
\n(en pouces de Hg)<\/th>		Temp\u00e9rature (\u02daF)<\/th>\n<\/tr>\n<\/thead>\n
---<\/td>0<\/td>\n<\/tr>\n
29.84<\/td>20<\/td>\n<\/tr>\n
29.74<\/td>32<\/td>\n<\/tr>\n
29.67<\/td>40<\/td>\n<\/tr>\n
29.39<\/td>60<\/td>\n<\/tr>\n
28.89<\/td>80<\/td>\n<\/tr>\n
27.99<\/td>100<\/td>\n<\/tr>\n
26.48<\/td>120<\/td>\n<\/tr>\n
24.04<\/td>140<\/td>\n<\/tr>\n
20.27<\/td>160<\/td>\n<\/tr>\n
15.20<\/td>180<\/td>\n<\/tr>\n
6.46<\/td>200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

 <\/p>\n T\u00e9l\u00e9charger le PDF <\/a>","protected":false},"excerpt":{"rendered":"

As the service temperature increases, the maximum pressure a hose assembly can withstand decreases. The material from which the hose is made and the method of fitting attachment (mechanical, soldered, welded, silver brazed) determine the maximum pressure at which an assembly can be used. By using the factors given in the chart below, the approximate […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":3048,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"page-template-right-sidebar.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3094","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nTemperature Correction Factors - OmegaFlex Industrial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/omegaflex.com\/fr\/engineering-design\/temperature-correction-factors\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Temperature Correction Factors - OmegaFlex Industrial\" \/>\n<meta property=\"og:description\" content=\"As the service temperature increases, the maximum pressure a hose assembly can withstand decreases. 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