1.Pressure, size,medium and temp. range as listed below:
Pressure
PN16
Size
DN250
Medium
Water/Steam/Oil/Low-corrosive liquid etc.
Temp.
Carbon Steel :-29℃~425℃
2. Main part material items:
Body Materials
WCB/WCC/LCB
Disc Materials
WCB/WCC/LCB
Stem Materials
2Cr13
Seat Materials
430+Graphite
Note
Other materials are available on request
3.The butterfly valve standard:
Designed
API609/ AWWA C504 / BS EN593
Face to Face
API 609/AWWA C504/BS2080/ISO5752
Flange End
ASME B 16.5/ ASME B 16.47/BS EN1092/ISO7005
Inspection Test
API 598/ BS EN 12266/ISO 528
Note
Other standard on request
4. Operating mode:
Worm gear+handwheel/Electirc actuator/Pneumatic actuator/Hydraulic actuator
5.Coating
The dutch color/Electrostatic powder coating epoxy resin
6. Features and benefits
Metal to metal sealing or rubber sealing
Triple eccentric quarter –turn design
Toque seated
Bi-directional tight shut off
Zero leakage
7.applications
Water/sea water/Power
Acid /Caustic /Chloride
Oil and so on
8.Main Technical Parameter
| Nominal diameter |
DN |
50--2000 |
| Nominak pressure |
PN |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
|
Ps (MPA)
Test pressure
|
Shell test |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
| Seal test |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
| Gas seal test |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
| Appropriate mendium |
Water,steam,oil,acid corrosive and so on |
| Appropriate temoeratuer |
Carbon steel : 29℃~425℃ |
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