Page 60 - Catalogue 2019

WAFER TYPE BUTTERFLY VALVE Z 011-B WAFER TYPE BUTTERFLY VALVE Z 011-B

TECHNICAL DATA TORQUE Adapted Disc Size Pressure Rating

Nominal diameter: DN 50 - DN 600 - The values listed in the table are DN Size
initial breakaway torques, taken [mm] [in] 3 bar disc 6 bar disc 10 bar disc 16 bar disc
Face-to-face: EN 558 Series 20 with liquids and lubricant media. 50 2 5 7 7 9
ISO 5752 Series 20 65 2½ 7 9 15 18
API 609 Table 1 - Please regard these as 80 3 14 18 24 28
approximate values, as the
objective value depends on 100 4 9 18 25 30
Flange accommodation: EN 1092 PN 6/10/16 different factors like pressure, 125 5 15 22 45 59
ASME Class 150 medium, rubber, quality, 150 6 36 45 80 100
temperature ... etc.
Flange Surface Design: EN 1092 Form A/B 200 8 59 76 140 200
ASME RF, FF - Our engineers look forward to 250 10 150 180 200 300
help you with exact values for 300 12 200 240 280 360
Top fl ange: EN ISO 5211 your application. 350 14 350 540 640 1200
400 16 650 900 1300 1700
Marking: EN 19 - Powdery (non-lubricant) media
Md x 1,3 450 18 720 1000 1400 2000
500 20 1100 1400 2255 3000
Tightness check: EN 12266 (Leakage rate A) - Dry gases/high viscous media
ISO 5208, Category 3 600 24 1200 2100 3000 4000
Md x 1,2 All values in Nm
Temperature range: -10°C to +120°C (depending on
pressure, medium and material)

Operating pressure: max. 16 bar

Vacuum: 0,001 bar absolute

A universally applicable wafer type valve with vulcanised liner
according to EN 593.

K -VALUES Opening angle α°
v
- The K -values [m³ per hour] is DN Size
v
the fl ow of water at a tempera- [mm] [in] 20° 30° 40° 50° 60° 70° 80° 90°
FEATURES ture of 5°C to 30°C (41°F to 50 2 3,84 10,1 20,7 34,4 49,7 65,2 79,5 91,2
86°F) at ∆p of 1 bar 65 2½ 9,5 16,6 39,1 72,6 113 157 199 235
- Vulcanised liner 80 3 15,6 20,6 51,4 102 165 234 304 368
- The K -values specifi ed are
v
- Triple shaft bearing prevent shaft defl ection based on tests carried out by 100 4 24,9 39,8 96,5 183 288 398 503 589
- The valve body and disc are accurately machined which the Delfter Hydraulics Laborato- 125 5 51,8 67,2 135 256 428 652 926 1250
results in low operating torque and long service life ries, the Netherlands 150 6 76,5 97,3 197 375 629 957 1360 1830
- Four fl ange mounting holes ensure correct valve location when 200 8 137 187 373 697 1160 1760 2510 3400
installing - Permissible velocity of fl ow 250 10 227 271 563 1090 1850 2830 4010 5390
Vmax 4,5 m/s for liquids,
- Can be installed in any desired position Vmax 70 m/s for gases 300 12 287 409 820 1550 2610 4050 5880 8120
- Maintenance-free 350 14 399 488 1070 2110 3590 5480 7760 10400
- The throttle function is linear at
- Single fl ange mounting wafer type: DN 50 - 250: 3 bar an angle 30° to 70° 400 16 557 703 1360 2600 4470 7060 10400 14600
DN 300 - 600: 2 bar 450 18 716 907 1810 3440 5830 8980 13000 17800
- Avoid cavitation 500 20 875 1110 2250 4280 7180 10900 15500 20900
600 24 1230 1550 3150 6010 10090 15400 21800 29400
For further values, please contact
GENERAL APPLICATIONS: our engineers. Subject to change without notice

- Chemical and petrochemical industries
- Water and waste water technology
- Pneumatic materials handling technology
- Shipbuilding
- Power generation industry
- Food industry Lug type version Z014-B
- Civil engineering

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Z 011-B 1.14 www.ebro-armaturen.com
01.2019