Representative image. See the drawing and data sheet for the exact design.
Suitable for cold/hot water, oil and other neutral, non aggressive liquids.
| Series | QCVA50214 |
| Standard | DIN |
| Pressure rating | PN10, PN16 |
| Size range | DN15…DN200 |
| Connection | Flanged |
| Body material | Nodular Cast Iron EN-GJS-400-18-LT |
| Operation | With release cylinder for pneumatic/hydraulic/wire operation |
| Manual closing | With handwheel for separate closing |
| Media | Cold/hot water, oil and other neutral, non aggressive liquids |
| Temperature | Up to 150°C |
| Pressure | PN10/16 |
| No. | Part | Material |
|---|---|---|
| 1 | Body | EN-GJS-400-18-LT |
| 2 | Bonnet | EN-GJS-400-18-LT |
| 3 | Disc | X14CrMoS 17 |
| 4 | Stem | X14CrMoS 17 |
| 5 | Seat ring | X5CrNi 18-10 |
| 6 | Spring | X10CrNi 18-8 |
| 7 | O-ring | FKM |
| 8 | Release cylinder | GX5CrNiMo 19-11-2 |
| 9 | Handwheel | EN-GJL-250 |
| DN | L1 | Ø D | PCD | No | Ø h | H1 | Ø d | Weight kg |
|---|---|---|---|---|---|---|---|---|
| 15 | 90 | 95 | 65 | 4 | Ø14 | 150 | 100 | 3.50 |
| 20 | 95 | 105 | 75 | 4 | Ø14 | 155 | 100 | 4.00 |
| 25 | 100 | 115 | 85 | 4 | Ø14 | 155 | 100 | 5.00 |
| 32 | 105 | 140 | 100 | 4 | Ø18 | 155 | 100 | 6.00 |
| 40 | 115 | 150 | 110 | 4 | Ø18 | 185 | 160 | 8.60 |
| 50 | 125 | 165 | 125 | 4 | Ø18 | 190 | 160 | 11.50 |
| 65 | 145 | 185 | 145 | 4 | Ø18 | 220 | 200 | 16.60 |
| 80 | 155 | 200 | 160 | 8 | Ø18 | 235 | 200 | 20.00 |
| 100 | 175 | 220 | 180 | 8 | Ø18 | 270 | 250 | 24.00 |
| 125 | 200 | 250 | 210 | 8 | Ø18 | 300 | 250 | 46.00 |
| 150 | 225 | 285 | 240 | 8 | Ø22 | 355 | 315 | 70.00 |
| 200 | 275 | 340 | 295 | 12 | Ø22 | 400 | 400 | 120.00 |
