|
hole plate model |
suitable occasion
and feature |
condition |
|
standard |
for clean liquid,gas
measure.
·for
big caliber;
·Convenient
to use. |
DN=50~1000mm
PN=1.0~10.0MPa
β=0.2~0.75
ReD≥5×103 |
|
non-standard
|
off-center hole plate |
·for
solid granule and diry medium
·Off
center better than cirle hole plate |
DN=50~500mm
PN=0.6~4.0MPa
β=0.3~0.8
ReD≥3×103~
2×106 |
|
ircle hole plate |
|
1/4 hole plate |
|
double hole plates |
·for
high density medium
·Loseing
between standard hole plate and standard nozzle |
DN=50~400mm
PN=0.6~2.5MPa
β=0.3~0.8
ReD≥3×103~
5×105 |
|
non-grind
hole plate |
·for
ordinary measure
·good
stability
·
Long life. |
DN=50~300mm
PN=1.0~10.0MPa
β=0.22~0.8
ReD≥5×103~1×107 |
|
sight glass hole plate |
·For
high pres.high temp. |
DN=50~150mm
PN≤42.0MPa |