vexve underground ball valves , air release valve / long, X-series female threads / welding EN (DIN), DN 20-50, reduced bore
Materials
Body | DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404) |
Extension Pipe | DN 20-50 : Steel, P235GH (1.0345) |
Ball | DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404) |
Ball seal | DN 20-50 : PTFE+C |
Stem | DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404) |
Stem seal | DN 20-50 : FPM/NBR |
Plug | DN 20-50 : DZR brass |
Operation
The valve is equipped with a composite 6k19 positioning arrow (standard color blue, red available)
Equipment
DN 20-50 are equipped with:
plug
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 10–50
Dimension

DN 20-50
DN | PN | Product no. | D | D1 | D2 | H | H1 | HEX | HEX19 | L | L1 | L2 | L3 | R | S | S1 | kg |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20 | 25 | 231020X/IP | 15 | 26.9 | 42.4 | 80 | 25 | 19 | 19 | 500 | 484 | 434 | 351 | 3/4" | 2,6 | 4 | 1.5 |
25 | 25 | 231025X/IP | 20 | 33.7 | 48.3 | 82 | 23 | 19 | 19 | 500 | 482 | 425 | 342 | 1" | 2,6 | 4 | 2.0 |
32 | 25 | 231032X/IP | 25 | 42.4 | 60.3 | 86 | 23 | 19 | 19 | 500 | 479 | 414 | 305 | 1 1/4" | 2,6 | 4,5 | 3.0 |
40 | 25 | 231040X/IP | 32 | 48.3 | 70.0 | 91 | 24 | 27 | 19 | 500 | 479 | 403 | 299 | 1 1/2" | 2,6 | 4,5 | 3.4 |
50 | 25 | 231050X/IP | 40 | 60.3 | 76.1 | 98 | 25 | 27 | 19 | 500 | 476 | 386 | 278 | 2" | 2,9 | 4 | 4.3 |
Product numbers and downloads
Product No | EAN | LVI | RSK | NRF | MM | DN | PN | Kv | Photo | kg |
---|---|---|---|---|---|---|---|---|---|---|
231020X/IP | 20 | 25 | 1.5 | |||||||
231025X/IP | 25 | 25 | 2.0 | |||||||
231032X/IP | 32 | 25 | 3.0 | |||||||
231040X/IP | 40 | 25 | 3.4 | |||||||
231050X/IP | 50 | 25 | 4.3 |