Page 14 - Catalogue 2019

WAFER TYPE BUTTERFLY VALVE Z 011-AS WAFER TYPE BUTTERFLY VALVE Z 011-AS

TECHNICAL DATA K -VALUES Opening angle α°
v
DN
v
Nominal diameter: DN 50 - DN 300 - The K -value [m³ per hour] is [mm] Size 20° 30° 40° 50° 60° 70° 80° 90°
[in]
Larger diameters: the fl ow of water at a tempera-
See Z 011-A with aluminium body ture of 5°C to 30°C (41°F to 50 2 1,4 9 15 26 44 58 76 99
86°F) at ∆p of 1 bar 65 2 ½ 2 10 26 49 90 134 198 250
Face-to-face: EN 558 Series 20 - The K -values specifi ed are 80 3 9 28 58 110 174 279 384 488
v
ISO 5752 Series 20 based on tests carried out by 100 4 15 33 76 151 209 395 640 930
API 609 Table 1
the Delfter Hydraulics Laborato- 125 5 30 76 151 267 407 616 1012 1174
ries, the Netherlands 150 6 35 105 221 372 593 756 1128 1395
Flange accommodation: EN 1092 PN 6/10/16
ASME Class 150 - Permissible velocity of fl ow 200 8 50 209 407 674 1163 1860 3488 4651
AS 4087 PN 16 Vmax 4,5 m/s for liquids, 250 10 145 419 767 1279 2093 3605 6163 7442
Vmax 70 m/s for gases 300 12 233 640 1163 1860 3023 5814 8721 9884
Flange Surface Design: EN 1092 Form A/B For further values, please contact our engineers.
ASME RF, FF - The throttle function is linear at
an angle 30° to 70°
Top fl ange: EN ISO 5211
- Avoid cavitation
Marking: EN 19

Tightness check: EN 12266 (Leakage rate A)
ISO 5208, Category 3

Temperature range: -10°C to +100°C (depending on
pressure, medium and material)
Operating pressure: max. 3 bar

A low weight wafer type valve (body aluminium) which is optimally
suited for applications in public swimming pools.

FEATURES

- Low weight aluminium body
- Can be used as control valve or shut-off valve
- Triple shaft bearing
- Interchangeable seat
- Can be installed in any desired position
- Maintenance-free
- Can be disassembled, material specifi c recycling possible

GENERAL APPLICATIONS
- Public swimming pools

post@ebro-armaturen.com
Z 011-AS 1.3 www.ebro-armaturen.com
01.2019