Wafer
Application: Gases and vapours
General Data
| Type: | 5a |
| Material: | Cast iron GG 25 |
| Pressure class: | PN16 depending on temperature |
| Disc: | Steel |
| Stem: | Steel |
| Lever: | Steel |
| Scale: | Brass |
| Lock bolt: | Steel |
| Seal: | Metallic, non seal |
| Gland packing: | Graphite |
| Stem bushing: | Brass |
| Connection: | Mounting between DIN flanges PN6/10/16 |
| Temperature: | Up to +280°C (Up to +450°C w/ disc and stem of stainless steel) |
| Leak rate: | ~1% of Kva |
| Options: | Pneumatic or electric actuator |
| Other dimensions | |
| Flanged versions | |
| With stop bar in body, leakage ∼0.5% of Kva | |
| With stop bar and sealing, leakage ∼0.2% of Kva | |
| Other materials | |
| Higher temperatures |
| DIMENSIONS (mm) | WEIGHT | |||||
|---|---|---|---|---|---|---|
| Item No. | DN | B | H1 | D | F1 | kg |
| 15251025 | 25 | 29 | 172 | 60 | 95 | 1 |
| 15251032 | 32 | 29 | 176 | 67 | 95 | 1.1 |
| 15251040 | 40 | 29 | 183 | 79 | 95 | 1.3 |
| 15251050 | 50 | 29 | 190 | 89 | 95 | 1.5 |
| 15251065 | 65 | 29 | 205 | 108 | 115 | 1.8 |
| 15251080 | 80 | 34 | 231 | 126 | 115 | 2.8 |
| 15251100 | 100 | 34 | 241 | 147 | 135 | 3.3 |
| 15251125 | 125 | 34 | 262 | 179 | 135 | 4.4 |
| 15251150 | 150 | 34 | 273 | 201 | 185 | 4.8 |
| 15251200 | 200 | 39 | 330 | 257 | 185 | 8.7 |
| 15251250 | 250 | 39 | 359 | 315 | 185 | 12.5 |
| 15251300 | 300 | 44 | 389 | 370 | 185 | - |
| 15251350 | 350 | 44 | 414 | 420 | 185 | - |
| 15251400 | 400 | 49 | 466 | 473 | 185 | - |
| 15251500 | 500 | 49 | 518 | 578 | 185 | - |
| DN | Kvs | Kva | DN | Kvs | Kva | |
|---|---|---|---|---|---|---|
| - | 25 | 8 | 10 | 125 | 360 | 660 |
| - | 32 | 17 | 20 | 150 | 520 | 1000 |
| - | 40 | 30 | 38 | 200 | 990 | 2080 |
| - | 50 | 50 | 68 | 250 | 1570 | 3300 |
| - | 65 | 88 | 130 | 300 | 2290 | 4750 |
| - | 80 | 132 | 210 | 350 | 3000 | 6400 |
| - | 100 | 225 | 380 | 400 | 3900 | 6400 |