PN16/PN25 Fig No.: F51N16/F51N25
FEATURES & SPECIFICATIONS
Spring loaded.
Rubber seat ring for non-slam effect.
Durable fusion bonded epoxy coated.
Designed in accordance with BS EN 12334 and MSS SP-125.
Wafer connection to BS 4504 PN16 / EN 1092-2 PN16 / BS 4504 PN25 / EN 1092-2 PN25 / ANSI Class 150 (Specify on order).
Applicable for Building Services, Air-Conditioning, Fire Protection, Cold Water Plumbing, Hot Water System, General Industries.
Working pressure : 16bar/25bar.
Shell test pressure (x1.5) : 24bar/37.5bar.
Seat test pressure (x1.1) : 17.6bar/27.5bar.
Working temperature : -20°C … 110°C (EPDM) / -10°C … 80°C (NBR)
Suitable Media : Water.
| Part | Material |
| Body | Ductile Iron |
| Disc | Stainless Steel 304 Stainless Steel 316 Alumimium Bronze |
| Seat | Stainless Steel 304 |
| Spring | Stainless Steel 316 |
| Bushing | Brass |
| Steel Ball | Stainless Steel 440 |
| Seat Ring | EPDM NBR |
| Screw | Stainless Steel 304 Stainless Steel 316 |
| Shaft (PN25, DN200…DN300) |
Stainless Steel 304 Stainless Steel 316 Stainless Steel 410 |
| DN | (mm) (inch) |
50 2 |
65 2½ |
80 3 |
100 4 |
125 5 |
150 6 |
200 8 |
250 10 |
300 12 |
| H | 110 | 136 | 152 | 177.8 | 220.7 | 247 | 339.7 | 403.6 | 415 | |
| L | 66.7 | 73 | 79.4 | 101.6 | 117.5 | 139.7 | 165.1 | 210 | 286 | |
| L1 | 77 | 78 | – | – | – | – | – | 232 | 312 | |
| D | 68 | 78 | 90 | 108 | 135 | 162 | 215.9 | 271 | 311 | |
| PCD (PN16) | 120.7 | 139.7 | 152 | 180 | 210 | 240 | 295 | 355 | 400 | |
| d (PN16) | 4-Ø19 | 4-Ø20 | 4-Ø19 | 8-Ø19 | 8-Ø20 | 8-Ø23 | 12-Ø24 | 12-Ø28 | 12-Ø23 | |
| PCD (PN25) | 120.7 | 139.7 | 152.4 | 180 | 210 | 241.3 | 295 | 355 | 430 | |
| d (PN25) | 4-Ø19 | 8-Ø20 | 4-Ø19 | 8-Ø19 | 8-Ø20 | 8-Ø23 | 12-Ø24 | 12-Ø28 | 16-Ø35 |
As a direct manufacturer, we have dedicated measurement, installation, and production teams to ensure a perfect fit every time.
Our representatives will contact you shortly to confirm your appointment date and time. Thank you for your interest!
