Insect Screen Air Vent Head
The screen in the air vent head can be divided into fire protection screen and insect protection screen. Because there are often some insects drilling into the outdoor air vent head, these insects will block the vent, affect the normal use of the air vent head and bring inconvenience to people, and the use of insect screen air vent head can largely solve this problem. The material of air vent head is mainly cast iron, cast steel, stainless steel and so on.
Overview
The difference between insect screen air vent head and fire frame screen air vent head
The oil tank air vent head uses a fire frame screen, while the water tank air vent head uses a insect screen. The hole size and density of the insect screen and the fire insect screen are different. The fire frame screen holes are smaller and denser.
Drawing
Images of Insect Screen Air Vent Head
DN | A | A1 | B | D | D1 | n-0d | D2 | m | h | H |
100 | 240 | 154 | 255 | 200 | 165 | 8-19 | 110 | 35 | 155 | 225 |
125 | 280 | 195 | 285 | 235 | 200 | 8-19 | 135 | 44 | 180 | 265 |
150 | 310 | 225 | 325 | 265 | 230 | 8-19 | 165 | 53 | 205 | 300 |
200 | 390 | 265 | 430 | 320 | 280 | 8-23 | 220 | 60 | 270 | 380 |
250 | 490 | 320 | 550 | 385 | 345 | 8-23 | 280 | 78 | 320 | 460 |
300 | 550 | 385 | 600 | 430 | 390 | 8-23 | 330 | 85 | 360 | 520 |
350 | 665 | 440 | 700 | 480 | 435 | 8-25 | 380 | 95 | 410 | 620 |
400 | 730 | 470 | 750 | 540 | 495 | 8-25 | 440 | 120 | 475 | 640 |