{"id":231,"date":"2026-09-27T18:34:38","date_gmt":"2026-09-27T10:34:38","guid":{"rendered":"https:\/\/www.camtop-petroleum.com\/index.php\/produits\/produits-api-valve-products\/produits-api-valve-products-gate-valves\/demco-series-dt-gate-valve-3-80mm\/"},"modified":"2026-09-27T21:56:27","modified_gmt":"2026-09-27T13:56:27","slug":"demco-series-dt-gate-valve-3-80mm","status":"publish","type":"page","link":"https:\/\/www.camtop-petroleum.com\/index.php\/produits\/api-valve-products\/gate-valves\/demco-series-dt-gate-valve-3-80mm\/","title":{"rendered":"DEMCO\u00ae vanne \u00e0 guillotine 3″ 80mm \u00e0 passage int\u00e9gral s\u00e9rie DT | ASME class 600\/900\/1500"},"content":{"rendered":"
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Accueil<\/a> \u203a<\/span> Produits<\/a> \u203a<\/span> Vannes API<\/a> \u203a<\/span> Vannes \u00e0 guillotine<\/a> \u203a<\/span> DEMCO\u00ae vanne \u00e0 guillotine 3″ 80mm \u00e0 passage int\u00e9gral s\u00e9ri\u2026<\/span><\/div>\n

La DEMCO\u00ae vanne \u00e0 guillotine 3″ 80mm \u00e0 passage int\u00e9gral s\u00e9rie DT | ASME class 600\/900\/1500<\/strong> est une vanne \u00e0 guillotine conforme \u00e0 la norme API 6A, con\u00e7ue pour l’isolement \u00e9tanche des \u00e9coulements de fluide de forage et de production en service haute pression.<\/p>\n

\"CAMTOP<\/div>\n

Sp\u00e9cifications techniques<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/th>\nSp\u00e9cification<\/th>\n<\/tr>\n<\/thead>\n
Produit S\u00e9rie<\/td>\nDEMCO\u00ae S\u00e9rie DT<\/td>\n<\/tr>\n
Vanne Type<\/td>\n\u00c0 passage int\u00e9gral Vanne \u00e0 guillotine (Rising Stem)<\/td>\n<\/tr>\n
Nominal Dimension<\/td>\n3\u2033 (80 mm) \u00c0 passage int\u00e9gral<\/td>\n<\/tr>\n
Pression Ratings<\/td>\nASME Class 600 \/ 900 \/ 1500<\/td>\n<\/tr>\n
Design Standard<\/td>\nASME B16.34<\/td>\n<\/tr>\n
Raccord d’extr\u00e9mit\u00e9<\/td>\nFilet\u00e9 \/ \u00c0 brides RF \/ \u00c0 brides RTJ<\/td>\n<\/tr>\n
Mat\u00e9riau du corps<\/td>\nAluminum Bronze ASTM B148 Alloy 955 \/ Acier inoxydable CF8M<\/td>\n<\/tr>\n
Stem Mat\u00e9riau<\/td>\n316 Acier inoxydable (Annealed)<\/td>\n<\/tr>\n
Gate Mat\u00e9riau<\/td>\nAcier inoxydable CF8M (ASTM A351)<\/td>\n<\/tr>\n
Seat Al\u00e9sage<\/td>\n3.12″ (79 mm)<\/td>\n<\/tr>\n
Joint Options<\/td>\nBuna-N \/ Viton \/ Hytrel + TEFLON\u00ae \/ P-10 Insert<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Dimension<\/th>\nD\u00e9signation<\/th>\nClass 600<\/th>\nClass 900<\/th>\nClass 1500<\/th>\n<\/tr>\n<\/thead>\n
A (Filet\u00e9)<\/td>\nExtr\u00e9mit\u00e9-\u00e0-Extr\u00e9mit\u00e9 Longueur<\/td>\n\u2014<\/td>\n9.69 po (246 mm)<\/td>\n\u2014<\/td>\n<\/tr>\n
A (\u00c0 brides RF)<\/td>\nFace-\u00e0-Face Longueur<\/td>\n14.00 po (356 mm)<\/td>\n15.00 po (381 mm)<\/td>\n18.50 po (470 mm)<\/td>\n<\/tr>\n
A (\u00c0 brides RTJ)<\/td>\nFace-\u00e0-Face Longueur<\/td>\n14.12 po (359 mm)<\/td>\n15.12 po (384 mm)<\/td>\n18.62 po (473 mm)<\/td>\n<\/tr>\n
B (Open)<\/td>\nFace-\u00e0-Face (Fully Open)<\/td>\n18.00 po (457 mm)<\/td>\n18.00 po (457 mm)<\/td>\n18.82 po (478 mm)<\/td>\n<\/tr>\n
C<\/td>\nSeat Al\u00e9sage<\/td>\n3.12 po (79 mm)<\/td>\n3.12 po (79 mm)<\/td>\n3.12 po (79 mm)<\/td>\n<\/tr>\n
D<\/td>\nVolant Diam\u00e8tre<\/td>\n14.75 po (375 mm)<\/td>\n14.75 po (375 mm)<\/td>\n18.00 po (457 mm)<\/td>\n<\/tr>\n
E<\/td>\nCenter \u00e0 Top of Volant<\/td>\n6.81 po (173 mm)<\/td>\n6.94 po (176 mm)<\/td>\n7.15 po (182 mm)<\/td>\n<\/tr>\n
F<\/td>\nBride \u00d8 EXT.<\/td>\n8.25 po (210 mm)<\/td>\n9.50 po (241 mm)<\/td>\n10.50 po (257 mm)<\/td>\n<\/tr>\n
Bride Boulons<\/td>\nQT\u00c9 \u2014 Dimension<\/td>\n8 \u2014 3\/4″<\/td>\n8 \u2014 7\/8″<\/td>\n8 \u2014 1-1\/8″<\/td>\n<\/tr>\n
RTJ Ring Num\u00e9ro<\/td>\nAPI Ring Joint<\/td>\nR-31<\/td>\nR-31<\/td>\nR-35<\/td>\n<\/tr>\n
Poids \u2014 Filet\u00e9<\/td>\n\u2014<\/td>\n75 lb (34 kg)<\/td>\n\u2014<\/td>\n<\/tr>\n
Poids \u2014 \u00c0 brides<\/td>\n100 lb (45 kg)<\/td>\n125 lb (57 kg)<\/td>\n185 lb (84 kg)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
Raccord d’extr\u00e9mit\u00e9<\/th>\nMat\u00e9riau<\/th>\nClass 600<\/th>\nClass 900<\/th>\nClass 1500<\/th>\n<\/tr>\n<\/thead>\n
Filet\u00e9<\/td>\nBronze<\/td>\n\u2014<\/td>\n\u2014<\/td>\n\u2014<\/td>\n<\/tr>\n
Acier inoxydable<\/td>\n\u2014<\/td>\n2,220 psi<\/td>\n3,705 psi<\/td>\n<\/tr>\n
\u00c0 brides<\/td>\nBronze<\/td>\n1,480 psi<\/td>\n2,220 psi<\/td>\n3,705 psi<\/td>\n<\/tr>\n
Acier inoxydable<\/td>\n1,480 psi<\/td>\n2,220 psi<\/td>\n3,705 psi<\/td>\n<\/tr>\n
Aluminum Bronze<\/td>\n\u2014<\/td>\n2,220 psi<\/td>\n3,705 psi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n
Position<\/th>\nD\u00e9signation<\/th>\nOptions<\/th>\n<\/tr>\n<\/thead>\n
1-2<\/td>\nPrefix \/ S\u00e9rie<\/td>\nJ \u2014 DEMCO; O \u2014 S\u00e9rie DT<\/td>\n<\/tr>\n
3 (X)<\/td>\nRaccord d’extr\u00e9mit\u00e9<\/td>\n0 = API LP Filet\u00e9 | 2 = 600 RTJ | 3 = 600 RF | 4\/5 = 900 RF | 6 = 1500 RTJ | 7 = 1500 RF<\/td>\n<\/tr>\n
4 (X)<\/td>\nCorps Configuration<\/td>\n4 = Filet\u00e9 | 7 = \u00c0 brides<\/td>\n<\/tr>\n
5,6,7 (8)<\/td>\nStem \/ Gate \/ Seat Ring Mat\u00e9riau<\/td>\n8 = Acier inoxydable<\/td>\n<\/tr>\n
8 (X)<\/td>\nSeat Insert \/ Joint<\/td>\n1 = Buna-N | 2 = Viton | 4 = P-10\/Hytrel + TEFLON\u00ae | 6 = P-10\/Buna-N<\/td>\n<\/tr>\n
9 (6)<\/td>\nBody \/ Bonnet Mat\u00e9riau<\/td>\n6 = Aluminum Bronze ASTM B148 Alloy 955<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Key<\/th>\nQt\u00e9<\/th>\nD\u00e9signation<\/th>\nMat\u00e9riau Sp\u00e9cification<\/th>\n<\/tr>\n<\/thead>\n
10<\/td>\n1<\/td>\nCorps<\/td>\nAluminum Bronze ASTM B148 Alloy 955<\/td>\n<\/tr>\n
20<\/td>\n1<\/td>\nChapeau<\/td>\nAluminum Bronze ASTM B148 Alloy 955<\/td>\n<\/tr>\n
30<\/td>\n1<\/td>\nGate (Wedge)<\/td>\nAcier inoxydable CF8M (ASTM A351)<\/td>\n<\/tr>\n
40<\/td>\n1<\/td>\nStem<\/td>\n316 Acier inoxydable (Annealed)<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\nSeat Ensemble (Ring + Elastomer + Spring)<\/td>\nCF8M Ring \/ Elastomer per joint option \/ Inconel X-750 Spring<\/td>\n<\/tr>\n
60<\/td>\n1<\/td>\nHandle (Volant)<\/td>\nDuctile Iron ASTM A536 Grade 65-45-12<\/td>\n<\/tr>\n
70<\/td>\n1<\/td>\nStem Emballage Retainer<\/td>\n316 Acier inoxydable<\/td>\n<\/tr>\n
90<\/td>\n1<\/td>\nStem Joint Ensemble<\/td>\nBuna-N \/ Viton \/ TEFLON (per joint option)<\/td>\n<\/tr>\n
100<\/td>\n1<\/td>\nRetainer Snap Ring<\/td>\nPH 15-7 Mo<\/td>\n<\/tr>\n
110<\/td>\n4<\/td>\nCap Screw (Chapeau)<\/td>\nAcier alli\u00e9<\/td>\n<\/tr>\n
120<\/td>\n1<\/td>\nLube Fitting<\/td>\nAcier<\/td>\n<\/tr>\n
130<\/td>\n1<\/td>\nDe d\u00e9charge Fitting<\/td>\nAcier<\/td>\n<\/tr>\n
160<\/td>\n1<\/td>\nBonnet Joint<\/td>\nBuna-N \/ Viton \/ TEFLON (per joint option)<\/td>\n<\/tr>\n
180<\/td>\n1<\/td>\nHandle Joint<\/td>\nBuna-N<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Caract\u00e9ristiques principales<\/h2>\n