Bray International, Inc.

13333 Westland East Blvd. Houston, Texas 77041 United States

Bidirectional Knife Gate Valve Series 740

Specifications:-

Size Range 2 – 36" (50 – 900mm)

Body Materials CF8 Stainless Steel, CF8M Stainless Steel, CF3M Stainless Steel, SAF 2205, SAF 2507, WCB Carbon Steel

Pressure Ratings 2 – 24" (50 – 600mm) 150psi (10 bar),
30 – 36" (750 – 900mm) 100psi (7bar)

Stem Materials 304 Stainless Steel

Body Style Single Piece, Lug

Gate Materials 304, 316, 317, 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)

Design Standard MSS SP-81

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 SP-151

Certifications CE/PED, Canadian CRN, AWWA C520 (2019)

Face to Face MSS SP-81

Actuator Options Handwheel, Bevel Gear, Pneumatic, Hydraulic, Electric

Applications Bleach Stock, Brown Stock Washers Pump Isolation, Evaporators Black Liquor, Paper Stock, Fly Ash Pneumatic Conveyance Crossover Valve, RAS Return Activated Sludge, Pump & Equipment Isolation, Process Fluids, Pump & Isolation Tank

Features & Benefits

The Series 740 bidirectional knife gate valve provides repeatable bidirectional shutoff in a rugged, single piece cast body. Featuring a replaceable steel-reinforced elastomer seat for enhanced sealing, the Bray Series 740 gate valve is easily automated for on/off applications.

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