JIS KS91A-121 Cast Iron Air Vent Head
Materials of main parts
Body Material: FC
Disc Material: SUS 304
Guide Bar Material: SUS 304
Overview
Application:This JIS KS91A-121 Cast Iron Air Vent Head for Sounding Pipe is designed for marine applications involving fresh water, sea water, lubricating oil, fuel oil, air, gas and steam(up to 205℃).
Material Specification:
NO. | PARTS | MATERIAL |
|---|---|---|
1 | BODY | FC/FCD |
2 | TOP COVER | FC/FCD |
3 | DISC | SUS 304 |
4 | GUIDE BAR | SUS 304 |
5 | SEAT PACKING | NBR |
6 | SCREEN COVER | SS41 |
7 | WIRE NET | SUS304 |
8 | NET FRAME | SS41 |
9 | PACKING | NBR |
10 | HEX.BOLT | SUS 304 |
11 | PACKING | NBR |
12 | HEX.BOLT | SUS 304 |
Technical Specifications:
Model: JIS KS91A-121 Cast Iron Air Vent Head
Nominal Diameter: DN50~DN400

DIMENSIONS Table (Unit: mm)
SIZE | d | D | C | A | B | H | H1 | T | weight(kg) |
|---|---|---|---|---|---|---|---|---|---|
50 | 50 | 130 | 105 | 171 | 131 | 183 | 117 | 7 | 10.4 |
65 | 65 | 155 | 150 | 199 | 146 | 224 | 141 | 7 | 12.5 |
80 | 80 | 180 | 145 | 231 | 158 | 266 | 173 | 7 | 14.4 |
100 | 100 | 200 | 165 | 242 | 231 | 231 | 144 | 8 | 18 |
125 | 125 | 235 | 200 | 267 | 297 | 266 | 171 | 8 | 28 |
150 | 150 | 265 | 230 | 304 | 336 | 311 | 202 | 9 | 39 |
200 | 200 | 320 | 280 | 386 | 444 | 387 | 233 | 9 | 74 |
250 | 250 | 385 | 345 | 489 | 568 | 453 | 291 | 9 | 105 |
300 | 300 | 430 | 390 | 558 | 648 | 524 | 347 | 10 | 146 |
350 | 350 | 480 | 435 | 630 | 739 | 595 | 397 | 12 | 199 |
400 | 400 | 540 | 495 | 663 | 749 | 670 | 475 | 12 | 276 |
