Emergency Vent Manhole Cover[Search Related Products]
Emergency Vent Manhole Corer
Emergency vent Manhole Cover is a kind of rapid relief-pressure device. Its technical performance, main material and main parts¡¯ material are the same as HXF-HR type breather manholes.
Materials of construction£º
|
NO |
1 |
2 |
3 |
4 |
5 |
|
Component |
Body |
Stem Guide |
Pressure Disk |
Pressure Seat |
Coating |
|
Material |
Steel Aluminums Casting |
304 316 316L PTFE |
304 316 316L PTFE |
304 316 316L PTFE |
304 316 316L PTFE |
Standard Connection£ºHG¡¢GB¡¢ANSI¡¢JIS¡¢DIN¡¢ect.
Operating Pressure£º+1961pa £¨+200mmH2O£©
Dimension table£º
|
DN |
450 |
500 |
600 |
700 |
750 |
|
L |
370 |
380 |
480 |
540 |
600 |
|
H |
658 |
708 |
808 |
908 |
955 |
