naval underground ball valves , angle gear, welding / welding, EN (DIN), DN 200-500, reduced bore
Materials
Body | DN 200-500 : Steel, P235GH (1.0345) |
Ball | DN 200-500 : Stainless steel, X5CrNi18-10 (1.4301) |
Ball seal | DN 200-500 : PTFE+C |
Stem | DN 200-500 : Stainless steel, X8CrNiS18-9 (1.4305) |
Stem seal | DN 200-500 : FPM |
Top of stem | DN 200-500 : Stainless steel, X5CrNi18-10 (1.4301) |
Operation
DN 200-500 : Valves are available with angle gear, standard hexagon adapter 27 or 32 mm
For type and features of manual gear please refer to: www.vexve.com/en/actuators
Operating conditions
-20 °C – +200 °C
Below -20 °C contact manufacturer
Lowest allowed ambient temperature -40 °C
Leakage rate A (EN 12266-1)

Pressure-temperature diagram DN 10–500
Dimension

DN 200-500
DN | PN | Product no. | D | D1 | D2 | D3 | H1 | H2 | H3 | H4 | L | L1 | L2 | S1 | S2 | W1 | W2 | kg |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
200 | 25 | 28463650 | 150 | 219.1 | 273.0 | 76.1 | 490 | 380 | 334 | 713 | 400 | 84 | 149 | 7,1 | 4,5 | 81 | 198 | 71.0 |
250 | 25 | 28463750 | 200 | 273.0 | 355.6 | 76.1 | 525 | 389 | 327 | 765 | 530 | 97 | 162 | 8,8 | 5 | 90 | 208 | 109.0 |
300 | 25 | 28463850 | 250 | 323.9 | 457.0 | 88.9 | 580 | 418 | 331 | 809 | 550 | 138 | 222 | 8,8 | 5,6 | 141 | 235 | 154.0 |
350 | 25 | 284668 | 290 | 355.6 | 508.0 | 114.3 | 603 | 425 | 329 | 832 | 686 | 138 | 222 | 12,5 | 6,3 | 141 | 235 | 229.0 |
400 | 25 | 284669 | 340 | 406.4 | 610.0 | 168.3 | 681 | 478 | 351 | 910 | 762 | 138 | 222 | 12,5 | 7,0 | 141 | 235 | 324.0 |
450 | 25 | 390 | 457.0 | 660.0 | 178.0 | 720 | 491 | 350 | 946 | 914 | 182 | 267 | 6,3 | 188 | 236 | 602.0 | ||
500 | 25 | 284670 | 390 | 508.0 | 660.0 | 178.0 | 720 | 466 | 350 | 946 | 914 | 182 | 267 | 14,2 | 7,0 | 188 | 236 | 508.0 |
Product numbers and downloads
Product No | EAN | LVI | RSK | NRF | MM | DN | PN | Kv | Photo | kg |
---|---|---|---|---|---|---|---|---|---|---|
28463650 | 200 | 25 | 71.0 | |||||||
28463750 | 250 | 25 | 109.0 | |||||||
28463850 | 300 | 25 | 154.0 | |||||||
284668 | 350 | 25 | 229.0 | |||||||
284669 | 400 | 25 | 324.0 | |||||||
450 | 25 | 602.0 | ||||||||
284670 | 500 | 25 | 508.0 |
Technical documentation for the product
Certificates

Vexve Oy Finnish key flag certificate EN
Operation manuals

Naval underground ball valves, installation, operation and maintenance manual
