ART.20／21／22 两片式法兰球阀

ART. 20/21/22 2-way full-bore flanged ball valve DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN200 peso weigh Kg. VALVE CODES IN STANDARD EXECUTION misura size Asse libero Free shaft L 20 2 D 050 L：Handle D：Double acting actuator S：Spring return actuator E：Electrical actuator L ：Actuator ART 20：2-PC Flange valve/PN16 22：2-PC Flange valve/PN40 20：Type of Valve 2:MATERIALS 2：WCB 4：304SS 6：316SS 8：316LSS D：Type of Ends D：DIN2542-DIN2545，EN1092 050：Size DN15-DN200 20.1 Standard executions: Flanges: DIN 2501/1 UNI 2223/67 PN 16 Gauge as per DIN 3202 F/4-F/5 ISO 5722. Working temperature: from -40°C to +150°C,Tmax:250°C Working pressure: from 0,5 to bar. Fluid range: gas, liquid gases and gaseous fuels as per UNI-CIG 7129 and DIN-DVGW G 260/I table for gas. On request: PN 16 - PN 40 For other applications, please contact our technical deparment. 2.33 3.04 3.82 5.5 6.7 8.5 11.5 15.5 20 30 36 98.5 40 ：2-PC Flange valve/PN2521 20.2 -40 0 +25 +50 +70 C 2 4 6 8 10 12 14 16 bar 10 20 40 60 80 100 200 400 600 1000 0,1 0,2 0,4 0,6 0,8 1 082 = vK - 05 N D 015 = vK - 56 N D 077 = vK - 08 N D Bar mc/h 0021 = vK - 001 N D 0551 = vK - 521 N D 5771 = vK - 051 N D pressure/temperature diagram flow-pressure diagram - pressure loss and Kv nominal coefficient. Kv is the coefficient, expressed in m3/h (with water at 15°C) causing a pressure loss of 1 bar. PN 16 bar PN 40 bar BREAK AWAY TORQUES in Nm misura size PN 0 bar PN 25 bar DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN200 Torque can vary depending on temperature and type of fluid; a safety factor of 1.4 must be applyed. Torque can sensibly drop on high fre- quency of operations 6 14 22 42 80 145 310 -40 0 +25 +50 +70 C 40 35 25 20 15 30 10 5 bar 10 28 100 470 6 16 24 45 85 350 43211 32 102 521 6 17 28 49 89 480 11 35 107 636 156 192 410 384 MATERIALI MATERIALS VALVE TYPE 20 20.3 1) Stelo Shaft 2) Bussola di bloccaggio Lock bush 3) Anello premiguarnizione Gland nut ring 4) O-Ring di tenuta superiore Top o-ring 5) O-Ring di tenuta perno Shaft o-ring 6) Dischetto di tenuta intermedia Gasket 7) Guarnizioni di tenuta laterale Seals 8) Sfera Ball 9) O-Ring 10)Anello Washer 11)O-Ring di tenuta corpo Body o-ring 12)Flangia Flange 13)Corpo Body 14)Tirante Tie-rod 15)Dado di bloccaggio Lock nut 316SS Ferro Iron P.T.F.E. P.T.F.E. Acciaio Steel Acciaio Steel Acciaio Steel 1.0308 1.0511 1.0528 UNI Fe360 UNI X5CrNi UNI C40 UNI C30 DIMENSIONS DN 20 DN 32 DN 50 DN 80 DN 15 DN 25 DN 40 DN 65 Size A B øC øD øE øF øG DN 100 DN 125 DN 150 DN 200 170 17 145 64 185 18 121 190 17 180 95 220 18 147,3 210 18 240 145 285 22 199,5 150 15,5 125 50 165 8 95,5 180 17 160 76 200 18 136,3 200 18 210 120 250 18 178,5 115 11 65 15 95 14 55 120 11 75 20 105 14 60 125 11 85 25 115 14 75 130 13 100 32 140 18 82 140 13 110 40 150 18 90 400 20 295 200 340 22 280 UNI X5CrNiMo 17 12 UNI X5CrNiMo 17 12 316SS 1.4408 1.4408 P.T.F.E. FKM P.T.F.E. 316SS 316SS 1.4408 1.4408 UNI X5CrNiMo 17 12 UNI X5CrNiMo 17 12 P.T F.E. 316SS 1.4408 UNI X5CrNiMo 17 12 20-1.pdf 20-2.pdf 20-3.pdf