 |
The Ultimate
solution for clean service
Leser's 48x series, spring loaded safety
relief and relief valves were developed in close
cooperation with plant engineers and service specialists
to protect sensitive process and installations against
inadmissible over-pressure without putting hygienic
requirements at risk.
Leser's 48x series valves are designed
and manufactured to highest standards and fulfill ASME
(Sec. VIII, Div. 1), FDA (3-A) and BPE (Bioprocessing
Equipment - 1997) requirements, beside the European
standard EN 1672/4 and those of many other countries.
Leser's 48x series valves represent
the ultimate solution for all critical clean service
areas of
No
bacteria traps or contamination due to
-
Minimum dead-leg
design and flush-mounting capability
-
Wetted-part surfaces
with<32 μinch (0.8 μm or 180 Grit) and less, E.P.
optional
-
Gap and crevice free
design of internals
-
Bellows sealed
hard-to-clean internals
-
Use of FDA-approved
elastomer
|
 |
|
Type |
Valve Size |
Set Pressure Range |
Output |
Aseptic Properties |
|
(psig) |
(bar) |
| 481 |
1"
DN 25 |
1.5...986 |
0.1...68 |
low (D-E) |
Low dead space,
crevice free |
Free discharge |
|
483 |
1", 1½"
DN 25, 40 |
1.5...232 |
0.1...16 |
medium (F-J) |
Low dead space,
crevice free |
Free discharge,
crevice free, no dome |
| 488 |
1"... 4"
DN 25...100 |
3.0...232 |
0.2...16 |
very High (G-P) |
Reduced dead
space,
crevice free |
Free discharge,
crevice free, no dome |
|
484 |
1", 1½"
DN 25, 40 |
1.5...232 |
0.1...16 |
medium
(F-J) |
Dead space free,
crevice free |
Free discharge,
crevice free, no dome |
| 485 |
1", 1½", 2"
Dn 25, 40, 50 |
1.5...232 |
0.1...16 |
Medium (F-J) |
Dead space free,
crevice free |
Free discharge,
crevice free, no dome |
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