NRS Resilient Seated Gate Valve – PN 25
The Blaze BT 1402 NRS Resilient Seated Gate Valve is a high-performance isolation valve designed for use in water supply, distribution, and industrial systems. Featuring a non-rising stem (NRS) design and resilient seat technology, this valve ensures tight shut-off, low operating torque, and long service life. It is suitable for both aboveground and underground installations and meets the BS 5163 design standard for reliable operation under demanding conditions.
| DN | L | H | a | d | c | n-d1 | T | f | g | øD |
|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 178±2 | 227 | 50 | 165 | 125 | 4-ø19 | 19 | 3 | 99 | 160 |
| 65 | 190±2 | 230 | 65 | 185 | 145 | 4-ø19 | 19 | 3 | 118 | 160 |
| 80 | 203±2 | 270 | 80 | 200 | 160 | 4-ø19 | 19 | 3 | 132 | 180 |
| 100 | 229±2 | 310 | 100 | 220 | 180 | 8-ø19 | 19 | 3 | 200 | 156 |
| 125 | 254±3 | 365 | 125 | 250 | 210 | 8-ø19 | 19 | 3 | 184 | 250 |
| 150 | 267±3 | 406 | 150 | 285 | 240 | 8-ø23 | 19 | 3 | 211 | 250 |
| 200 | 292±3 | 512 | 200 | 340 | 295 | 12-ø23 | 20 | 3 | 266 | 300 |
| 250 | 330±3 | 580 | 250 | 405 | 355 | 12-ø28 | 22 | 3 | 319 | 350 |
| 300 | 356±3 | 657 | 300 | 460 | 410 | 12-ø28 | 24.5 | 4 | 370 | 400 |
- Potable water supply and distribution networks
- Industrial and utility water systems
- Pump stations and water treatment plants
- Fire protection systems
- Underground and aboveground valve chambers
- HVAC and building service water control
Description
- Non-rising stem (NRS) design for space-saving installation
- Resilient seated wedge for 100% leak-tight shut-off
- Coated with durable epoxy blue (RAL 5015) for corrosion resistance
- Suitable for both potable and non-potable water applications
- Full bore design to minimize pressure drop
- Flanged ends for easy installation and maintenance
- Complies with BS 5163 design standard
- Robust construction for long service life under PN 25 pressure rating
Additional information
| Design Standard | BS 5163 |
|---|---|
| Working Pressure | PN 25 |
| Flange Connection | Class 125 / Class 150 |
| Coating | Epoxy Blue (RAL 5015) |
| Body Type | Non-Rising Stem (NRS) |
| Model Number | BT 1402 |
| Size Range | 2" to 24" (DN50 to DN600) |
| Seat Type | Resilient seated wedge |
| Medium | Water, wastewater, neutral liquids |
| Operation | Manual (handwheel or gearbox), electric actuator (optional) |
