Absperrbare Rückschlagventile (SDNR), PN 16
in Durchgangs- oder Eckform, DIN 86252-01
aus Sphäroguss EN-JS1049, Innenteile 1.4021+QT
mit oder ohne innenliegender Schliessfeder
Baulänge nach DIN 3202/EN 558 F1/F32
Flansche nach DIN PN 10/16
Zulässige Betriebsdrücke und
Temperaturen nach DIN 2401
Materialspezifikation:
Gehäuse:
EN-GJS-400-18U-LT
EN-JS1049
Bügeldeckel:
EN-GJS-400-18U-LT
EN-JS1049
Sitz:
X20Cr13+QT
1.4021+QT
Kegel:
X20Cr13+QT
1.4021+QT
Spindel:
X20Cr13+QT
1.4021+QT
screwdown check-valves (SDNR), PN 16
straight type or angle type, DIN 86252-01
nodular iron EN-JS1049, inner parts 1.4021+QT
with or without inside spring
face to face acc. to DIN 3202/EN 558 F1/F32
flanges acc. to DIN PN 10/16
working pressure and
temperature acc. to DIN 2401
material specification:
body:
EN-GJS-400-18U-LT
EN-JS1049
bonnet:
EN-GJS-400-18U-LT
EN-JS1049
seat:
X20Cr13+QT
1.4021+QT
disc:
X20Cr13+QT
1.4021+QT
stem:
X20Cr13+QT
1.4021+QT
Type 018920 Type 017920
(Form B) (Form A)
| NW/DN | L | L1 | D | PCD | Holes | H | H1 | R | KG | KG |
| 017920 | 018920 | |||||||||
| 15 | 130 | 90 | 95 | 65 | 4 x 14 | 185 | 185 | 120 | 3,9 | 4,0 |
| 20 | 150 | 95 | 105 | 75 | 4 x 14 | 185 | 185 | 120 | 4,3 | 4,5 |
| 25 | 160 | 100 | 115 | 85 | 4 x 14 | 205 | 200 | 140 | 5,4 | 5,6 |
| 32 | 180 | 105 | 140 | 100 | 4 x 18 | 205 | 200 | 140 | 7,0 | 6,6 |
| 40 | 200 | 115 | 150 | 110 | 4 x 18 | 230 | 215 | 160 | 9,5 | 9,2 |
| 50 | 230 | 125 | 165 | 125 | 4 x 18 | 230 | 215 | 160 | 12,9 | 11,6 |
| 65 | 290 | 145 | 185 | 145 | 4 x 18 | 270 | 245 | 180 | 18,4 | 17,0 |
| 80 | 310 | 155 | 200 | 160 | 8 x 18 | 305 | 280 | 200 | 24,5 | 22,6 |
| 100 | 350 | 175 | 220 | 180 | 8 x 18 | 355 | 320 | 225 | 36,0 | 33,0 |
| 125 | 400 | 200 | 250 | 210 | 8 x 18 | 395 | 360 | 250 | 56,0 | 46,0 |
| 150 | 480 | 225 | 285 | 240 | 8 x 22 | 450 | 415 | 400 | 78,0 | 68,0 |
| 175 | – | – | – | – | – | – | – | – | – | – |
| 200 | 600 | 275 | 340 | 295 | 8 x 22 | 570 | 495 | 520 | 122 | 100 |
| 250 | 730 | 325 | 395 | 350 | 12 x 22 | 685 | 575 | 520 | 247 | 204 |
| 300 | 850 | 375 | 445 | 400 | 12 x 22 | 770 | 655 | 520 | 336 | 270 |
| 350 | 980 | 425 | 505 | 460 | 16 x 22 | 860 | 735 | 640 | 451 | 398 |
| 400 | 1.100 | 475 | 565 | 515 | 16 x 26 | 865 | 740 | 640 | 600 | 515 |