Customizable Unidirectional Valve for Optimal Sealing
The Bray Series 940 Unidirectional Knife Gate Valve, it is designed with a single-piece cast body design. It is available with integral metal or replaceable soft seats, allowing for customization based on specific application requirements. The valve is easily automated for on/off applications, enhancing operational efficiency. Whether you are dealing with abrasive materials or corrosive substances, this valve delivers optimal performance. From wastewater treatment plants to mining operations.With integration into automated systems, this valve streamlines operations and reduces the need for manual intervention, minimizing downtime and optimizing productivity. Each valve undergoes testing procedures including shell and seat tests as per MSS SP-151, along with factory cycle tests.
Specification / Detail
| Size Range | NPS 2 to 24 / DN 50 to 600 |
| Body Materials | Carbon Steel (WCB), CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205 Duplex, SAF 2507 Duplex |
| Maximum Allowable Operating Pressure | 150psi (10bar) |
| Stem Materials | 304 Stainless Steel |
| Body Style | Single Piece, Wafer, Lug |
| Gate Materials | 304 - 316 - 317 Stainless Steel, SAF 2507, SAF 2205, 17-4PH, Hastelloy® C, Monel® |
| Seat Material Temperature Range | Buna-N: -34 to 194°F (-36 to 90°C) EPDM: -65 to 248°F (-54 to 120°C) Viton®: -15 to 392°F (-26 to 200°C) PTFE/Viton Back-up Ring: -235 to 392°F (-148 to 200°C) |
| Design Standard | MSS SP81 |
| Packing Maximum Temperature | PTFE: 500°F (260°C) Impregnated PTFE: 450°F (232°C) PTFE/Buna-N: 194°F (90°C) PTFE/Viton®: 392°F (200°C) PTFE/EPDM: 248°F (120°C) |
| Testing Standard | MSS SP151 |
| Certifications | AWWA C520 (2019), ATEX, CRN, PED, PE(S)R, TR CU, UA TR |
| Face to Face | MSS SP81 |
| Actuator Options | Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric |
| Applications | Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical |
