Page 97 - Catalogue 2019

WAFER TYPE PROCESS VALVE T 211-C WAFER TYPE PROCESS VALVE T 211-C

TECHNICAL DATA TORQUE
Nominal diameter: DN (40)50 - DN 300 - The torque values specifi ed
(Md) are based on dry media
Face-to-face: EN 558 Table 20 and are measured with air at
a temperature of 20 °C
Flange
accommodation: EN 1092 PN 10/16 - The values specifi ed are based DN (mm) 40/50 65 80 100 150 200 250 300
ASME Class 150 on the initial breakaway torque Size (in) 1½ 2 2½ 3 4 6 8 10 12
(disc disengages from seat,
Flange Surface torque then drops) MD (Nm) 35 35 55 70 135 170 320 380
Design: EN 1092 Form A/B MAST (Nm)* 105 105 250 250 480 480 1020 1020
ASME RF, FF - Dynamic torque specifi cation *Maximum torques (Nm)
available upon request
Top fl ange: EN ISO 5211
Regarding the dimensioning of
Marking: EN 19 actuators, please contact our
PAS 1085 engineers. 18 DN 50 - 150, special design
Tightness check: EN 12266 (Leakage rate A) 16
Temperature range: -40°C to +200°C 14
(depending on working pressure) 12
Operating pressure: max. 10 bar (16 bar special version) 10 DN 50 - 300
Vacuum: up to1 mbar absolute, PRESSURE/TEMPERA- System Pressure PS (bar) 8
(with silicon elastomer inserts)
from -10°C to +160°C TURE DIAGRAM 6
4
Valve Design 2

PTFE-lined wafer type valve for chemically toxic and highly 0
corrosive media. acc. to PAS 1085 -40 -20 0 20 40 60 80 100 120 140 160 180 200
System Temperature TS (°C)
Pressure-Temperature-Diagram for valves with silicone elastomer inserts
FEATURES
Service limitation with Fluor carbon inserts (FPM) from -10°C up to +120°C
- Environmental protection via EBRO-Safety seal Service limitation with EPDM elatomer inserts from -10°C up to +180°C
- TA-Luft/ VDI 2440,RWTÜV certifi ed Vacuum service to 1mbar absolute, from -10°C up to +160°C. Valve installation between fl anges
- Isolation height according to plant prescription
- Maintenance-free K -VALUES DN Size Opening angle α°
v
- Can be disassembled, material-specifi c recycling possible - The K -value [m³ per hour] is the [mm] [in] 20° 30° 40° 50° 60° 70° 80° 90°
v
- Material conform to FDA to EG 1935/2004 fl ow of water at a temperature of 1) K v -values metal disc
5°C to 30°C (41°F to 86°F) at
∆p of 1 bar 40/50 1½ 2 4 5 16 35 57 81 101 114
65 2½ 5 8 25 56 99 153 216 287
- The K -values specifi ed are 80 3 13 12 30 69 131 216 328 467
v
based on tests carried out by the 100 4 13 25 61 121 207 319 459 627
DESIGN FEATURES Delfter Hydraulics Laboratories, 150 6 50 94 171 303 509 810 1226 1778
the Netherlands
696
8
- Optimized low torques 1 2 - Permissible velocity of fl ow 200 10 137 149 344 1021 1178 1764 2426 3137
3832
1699
250
562
2626
178
291
5348
- FEM dimensioned componets Vmax 4,5 m/s for liquids, 300 12 395 378 820 1638 2751 4079 5538 7049
- Double fl at shaft acc. to EN standards Vmax 70 m/s for gases
2) K -values PFA-disc
v
- Shaft/ disc: duplex (one-piece lost-wax casting) - The throttle function is linear at 40/50 1½ 2 2 4 13 25 40 53 63 66
- Triple shaft bearing an angle 30° to 70° 65 2½ 3 9 26 48 74 98 117 126
- Avoid cavitation 80 3 4 14 38 71 108 143 171 186
100 4 6 16 48 95 151 209 262 303
Safety seal at both shaft ends: For further values, please contact
1.Primary sealing by means of a belleville spring washer, trans- our engineers. 150 6 18 60 161 317 526 787 1096 1452
mitting prestress on the spherical segment area. 200 8 125 176 395 756 1234 1807 2449 3136
2.Secondary sealing of the shaft by means of PTFE-Chevron and 250 10 138 333 644 1103 1744 2599 3702 5086
o-ring. 300 12 203 462 872 1479 2329 3471 4950 6814
Subject to change without notice
post@ebro-armaturen.com
T 211-C 2.4 www.ebro-armaturen.com
01.2019