Page 36 - Catalogue 2019

WAFER TYPE BUTTERFLY VALVE Z 011-GMX WAFER TYPE BUTTERFLY VALVE Z 011-GMX

TECHNICAL DATA TORQUE Adapted Disc Size Pressure Rating
DN
Nominal diameter: DN 50 - DN 300 - The values listed in the table are [mm] Size 6 bar disc
[in]
initial breakaway torques, taken
2
Face-to-face: EN 558 Series 20 with liquids and lubricant media. 50 2½ 16
65
21
ISO 5752 Series 20 - Please regard these as 80 3 25
API 609 Table 1 approximate values, as the
objective value depends on 100 4 43
Flange accommodation: EN 1092 PN 10 different factors like pressure, 125 5 73
ASME Class 150 medium, rubber, quality, 150 6 145
temperature ... etc.
200
8
260
Flange Surface Design: EN 1092 Form A/B - Our engineers look forward to 250 10 367
ASME RF, FF help you with exact values for 300 12 667
your application. All values in Nm
Marking: EN 19
- Powdery (non-lubricant) media
Tightness check: EN 12266 (Leckrate A) Md x 1,3
ISO 5208, Category 3 - Dry gases/high viscous media
Md x 1,2
Temperature range: -10°C to +90°C (depending on
pressure, medium and material)
Operating pressure: max. 6 bar

Wafer type butterfl y valve with special lining and disc for abrasive
media.

K -VALUES Opening angle α°
v
FEATURES - The K -value [m³ per hour] is the DN Size
v
fl ow of water at a temperature of [mm] [in] 20° 30° 40° 50° 60° 70° 80° 90°
- Shut-off and controlling of strong abrasive media, e.g. sand, 5°C to 30°C (41°F to 86°F) at 50 2 3,84 10,1 20,7 34,4 49,7 65,2 79,5 91,2
cement, fl ue ash ∆p of 1 bar 65 2½ 9,5 16,6 39,1 72,6 113 157 199 235
- High abrasion strength of valve disc and seal - The K -values specifi ed are 80 3 15,6 20,6 51,4 102 165 234 304 368
v
- Two-part body based on tests carried out by the 100 4 24,9 39,8 96,5 183 288 398 503 589
- Triple shaft bearings prevent shaft defl ection and guarantee Delfter Hydraulics Laboratories, 125 5 51,8 67,2 135 256 428 652 926 1250
the Netherlands
optimum guidance even after many years of operational service 150 6 76,5 97,3 197 375 629 957 1360 1830
- Absolutely tight sealing with fl ow in either direction - Permissible velocity of fl ow 200 8 137 187 373 697 1160 1760 2510 3400
Vmax 4,5 m/s for liquids,
- Can be installed in any desired position Vmax 70 m/s for gases 250 10 227 271 563 1090 1850 2830 4010 5390
4050
2610
12
820
409
287
1550
300
8120
5880
- Maintenance-free Subject to change without notice
- Can be disassembled, material specifi c recycling possible - The throttle function is linear at
an angle 30° to 70°
- Avoid cavitation
GENERAL APPLICATIONS
For further values, please contact
- Bulk handling technology our engineers.
-Weighting technology
- Pneumatic conveying systems

post@ebro-armaturen.com
Z 011-GMX 1.8 www.ebro-armaturen.com
01.2019