Central line wafer type butterfly valve
Main performance parameters
Nominal pressure |
1.0 |
1.6 |
MPa |
Shell test pressure |
1.5 |
2.4 |
Seal test pressure |
1.1 |
1.8 |
Suitable temperature |
≤80, ≤120, ≤150, ≤200 |
℃ |
Suitable medium |
air, gas, water, Oil, acid, alkali, etc |
The materials of major parts
| Name of of parts |
valve body |
valve seat |
Butterfly plate |
Valve shaft |
| Materials |
Cast iron
spheroidal graphite
Cast iron
Cast steel
casting stainless steel |
natural rubber(JT)
Chloroprene rubber(JT)
NBR (J)
Ethylene propylene rubber(JY)
fluoro-rubber(JF)
PTFE(JF4) |
spheroidal graphite cast iron
Nickel plating
casting Stainless steel
Ultralow carbon Stainless steel
Titanium alloy
20# alloy |
Stainless steel
Ultralow carbon
Stainless steel
Titanium alloy
20# alloy |
Executive standards
1, Connection size of Flange: GB1995
2, Structure length: GB12221
3, Inspection and test: GB/T13927
4, special type of Companion flange and sizes are available.
Structure diagram
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