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Series 740
Bidirectional Knife Gate Valve
Specifications
Size Range | NPS 2 to 36 / DN 50 to 900 |
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Maximum Allowable Operating Pressure | NPS 2 to 24: 150psi / DN 50 to 600: 10bar |
Body Style | Single Piece, Lug |
Seat Material Temperature Range | Buna-N: -34 to 194°F (-36 to 90°C), |
Packing Maximum Temperature | PTFE: 500°F (260°C), |
Certifications | ATEX, AWWA C520 (2019), CRN, PED, PE(S)R, TR CU, UA TR |
Actuator Options | Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric |
Body Materials | Carbon Steel (WCB), CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205, SAF 2507 |
Stem Materials | 304 Stainless Steel |
Gate Materials | 304, 316, 317 Stainless Steel, SAF 2507, SAF 2205,17-4PH, Hastelloy® C, Monel® |
Design Standard | MSS SP81 |
Features & Benefits
The Bray Series 740 Bidirectional Knife Gate Valve showcases advanced industrial valve technology, featuring a robust one-piece, cast body design for optimal performance across diverse applications. Its replaceable soft seat ensures resilience durability and adaptability for automated processes, facilitating precise on/off operations.
The one-piece cast body seamlessly integrates with a flexible wire-reinforced elastomer seat, delivering bidirectional zero leakage shutoff in various industrial settings. With CRN accreditation, PED Category I Module A compliance, and AWWA C520 certification, the Series 740 exceeds industry standards. Rigorous testing, including shell and seat tests per MSS SP-151, validates its reliability, reinforced by factory cycle tests and a Certificate of Design Conformance.
The mechanically and geometrically retained steel-reinforced elastomer seat guarantees bidirectional zero leakage shutoff, enhancing operational efficiency across industries such as Pulp & Paper, Power, Wastewater, Chemical, and Ethanol.
The Bray Series 740 Knife Gate valve is known for its reliability, versatility, and superior performance, making it the preferred solution for demanding industrial applications worldwide.
Features
- Designed for easy, quick conversion between manual and pneumatic actuation. Featuring a lubricant injection port for continuous, smooth operation with minimal maintenance.
- Clevis design and horizontal bolting stabilizes gate ensuring proper alignment.
- Standard multi-layer square packing provides exceptional gland sealing.
- Optional energized quad seal packing for enhanced gland sealing.
- Wiper/Anti Extrusion Ring minimizes the gap between the body and the gate
- Unrestricted flow path with minimal pressure drop achieved through full port valve design
- Deflection resistant gate design ensures consistent alignment for industry leading durability
- Replaceable flexible wire reinforced elastomer seat ensures bidirectional zero leakage shutoff