Basic Info of Single Flange Butterfly Valve
As shown in the figure, the single flange butterfly valve has only one flange surrounding the valve body.
Compared with wafer type butterfly valve, the connection of single flange butterfly valve has better stability. Generally speaking, the wafer type is used for DN＜600. For DN ＞700, use a single flange type.
Compared with double flange butterfly valve, the single flange butterfly valve has shorter structural length, lighter weight, and lower cost. As its TFT is the same as the wafer type.
Standards: mono flange butterfly valve complies with standards like ANSI, ASME, API, DIN, JIS, BS, ISO, and AWWA for compatibility with various pipeline systems.
Operation: Can be manually operated via a lever or automated with pneumatic, electric, or hydraulic actuators for precise control.
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Paraments
| Size | D1 | D2 | NxD3 | L | L1 | H1 | H2 | H3 | 4xM |
| DN700 | 895 | 840 | 20xp30 | 163 | 169 | 523 | 640 | 166 | 4xM27 |
| DN750 | 984 | 914.4 | 28xp35 | 165 | 173 | 547 | 656 | 166 | 4xM27 |
| DN800 | 1010 | 950 | 20xq33 | 188 | 195 | 581 | 681 | 166 | 4xM30 |
| DN900 | 1110 | 1050 | 24xp33 | 203 | 211 | 638 | 732 | 284 | 4xM30 |
| DN1000 | 1220 | 1160 | 24xqp36 | 216 | 224 | 705 | 820 | 284 | 4xM33 |
Manufacture Process of Butterfly Valve
Certificates of Zfa Valve
WRAS
CE
ISO 9001
EAC Russia
