Name

Type

Surface area
m2/m3

Void fraction
%

Bulk density
kg/m3

Wave height
mm

Nt
m-1

△P
Pa/m

Max.F-factor
m/s.(kg/m3)0.5

Perforated
corrugated  plate

125

125

98

85-100

25.4

1-2

150

3

250

250

97

170-200

12.5

2--3

200

2.6

350

350

94

240-280

9

2.0-2.5

300

2.0

500

500

92

360-400

6.3

4-5

180

1.8

Pricked &   corrugated  plate

700Y

700

85

240-280

4.5

5.0-7.0

900

1.6

500Y

500

93

170-200

6.3

3.0-4.0

200

2.1

250Y

250

97

85-100

12.5

2.5-3.0

300

2.6

Corrugated 
plate gauze

SW-1

650

91.6

140

4.5

6-8

260-460

1.4-2.2

SW-2

450

95.5