|
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|
Cost
effectiveness |
|||||||||
| Necessary time for blinding or deblinding | |||||||||
|
Size Ranged |
Blinding
Technique
|
Saving Effect |
|
|
Solid
Plate between |
Sammi line Blind |
||
|
1/2"~12" |
|
|
- 2~16 man-hours |
|
14"~24" |
|
|
-
16~120 man-hours |
|
Size |
Blinding(typical) |
Deblinding(typical) |
More production |
|
1/2" ~ 6" |
1 to 4 hours |
1 to 4 hours |
2 to 8 hours |
|
8" ~ 24" |
4 to 12 hours |
4 to 12 hours |
8 to 24 hours |
- time saving
for draining and line cooling is not included
- less pre-purge time
- immediate work after stopping line
Saving
cost for maintenance
- long life and simple design criteria
- no consumable parts except gaskets- it shall be replaced in case of
broken after visual checking
- no tools, wedges, crane, bolts are neccery
Positive
shutoff
- quick and positive response in emergency
- prevent vacuum losing
- prevent contamination by mixing
- prevent leaking accident in service
- prevent environmental pollution