Marine and Petrol Chemical Valve Manufacturer, Ball Valve, Cryogenic Valve, PSB Valve and more
products | Punching Screen |
Size | - |
Materials | Cast Steel, Cast iron |
Origin | Korea |
Factory | Busan, Korea |
Features
Percentage open area
- Even the "MESH" is same, OPEN AREA is not always same due to the diameter of wire. The formula of OPEN AREA PERCENTAGE is as follows :
A : Number of Wire, B: Diameter of Wire, C: Width of opening, D: percentage of OPEN AREA
MESH | A SWG | B (m/mΦ) | C (m/m) | D (%) | MESH | A SWG | B (m/mΦ) | C | D (%) | |
5 | 20 | 03914 | 4.166 | 67.3 | 100 | 42 | 0.102 | 0.152 | 35.8 | |
10 | 22 | 0.711 | 1.829 | 51.8 | 120 | 43 | 0.092 | 0.119 | 31.8 | |
20 | 28 | 0.356 | 0.914 | 51.8 | 150 | 45.5 | 0.066 | 0.103 | 37.1 | |
30 | 32 | 0.274 | 0.572 | 45.7 | 180 | 46.5 | 0.053 | 0.088 | 38.9 | |
40 | 36 | 0.193 | 0.442 | 48.4 | 200 | 47 | 0.051 | 0.076 | 35.8 | |
50 | 37 | 0.172 | 0.336 | 43.6 | 250 | 48 | 0.039 | 0.062 | 37.7 | |
60 | 38 | 0.152 | 0.271 | 41.0 | 300 | 48 | 0.040 | 0.044 | 27.6 | |
80 | 40 | 0.122 | 0.195 | 37.8 | |
Outside screen(Protecting net)
- For the outside Screen a stainless steel plate perforated in 60-degree staggered arrangement is used.
OUTSIDE screen | |||
DESCRIPTION | Φ0.8 x P1.6 | Φ1 x P2 | Φ1.2 x P2 |
OPEN AREA | 22.8 | 22.8 | 32.8 |
Models of strainers | 15~50(STANDARD) | 32~50 (REQUEST) | 65~100 |
OUTSIDE screen | |||
DESCRIPTION | Φ1.5 x P2.5 | Φ2.5x P4 | Φ3 x P5 |
OPEN AREA | 32.8 | 35.5 | 32.8 |
Models of strainers | 125~100 | 200~250 | 300~450 |