Aluminium Bronze disc butterfly valve
Aluminium Bronze disc butterfly valve,EPDM seat,
china DN100/PN16/steel handle/EPDM seat/aluminium disc wafer type no-pin butterfly valves
Aluminium Bronze disc butterfly valve,EPDM seat,
china DN100/PN16/steel handle/EPDM seat/aluminium disc wafer type no-pin butterfly valves
Material for main parts
Parts name |
Material |
Body |
Ductile iron/Aluminium bronze |
Disc |
ductile steel,stainless steel,aluminium bronze |
Seal ring |
Manifold rubber,such as EPDM, PTFE,NBR,Viton,CR |
Stem |
steel,ss420,ss304,ss316 |
Handle |
steel |
Butterfly valve seal material choice and apporpriate tempersture
Material variety |
Neoprene |
Styene rubber |
EPDM |
PTFE |
Silicon rubber |
Fluorine rubber |
Resistance highest temperature |
82°C |
93°C |
150°C |
232°C |
250°C
|
204°C |
Resistance lowest temperature |
-40°C |
-40°C |
-40°C |
-268°C |
-70°C |
-23°C |
Suitable working temperature |
≤65°C |
≤80°C |
≤120°C |
≤200°C |
≤200°C |
≤180°C |
Butterfly valve is suitable for water supplying and draining,gas pipe as adjust flux and cut off medium in foodstuff, pharmacy, chemical industry, petroleum, electric power, light textile, paper making etc with temperature≤120°C, nominal pressure≤1.6Mpa, the main characteristic such as:
1.Novel and reasonable design,special structure,light, Easy instllation and mintenance.It can be mounted wherever needed.
2.Tiny operative moment,quick 90 degrees on-off operation.
3.Miniminzed operating torque,energy saving.
4.Flow curve tending to straight line.Excellent regulation performance.
5.Long servie life. Standing the test of tens of thousands opening/closing operation.
6.Bubbles-tight sealing with no leakage under the pressure test.
7.Wide selection of materials, applicable for various medeium