Products Steam Traps Mechanical Free Float® (low pressure) Free Float® (med/high pres.) Free Float® for Main Lines With Bypass Valve Large Capacity Float Traps Clean Steam Traps Thermodynamic Disc-Type Thermostatic Thermostatic Temperature Control Clean Steam Traps Steam Trap Stations Condensate Recovery PowerTrap® (Mechanical Pump with Built-in Trap) PowerTrap® (Mechanical Pump) Pressure Reducing Valves With built-in Separator and Trap (for process use) for Process Steam Compact for Steam for Vacuum Steam for Air Without Separator and Trap for Steam Compact for Steam for Vacuum Steam for Air Direct Acting for Steam for Air Safety Valves Control Valves, Controllers Multi-Control Valves with Built-in Separator and Trap for Steam for Vacuum Steam Multi-Control Valves for Steam for Vacuum Steam Control Valves Pneumatic Self-operated Temperature Control Surplussing Valves for Steam Controllers Setpoint MC Vortex Flowmeters Filters Separators for Steam (Built-in Trap) for Air (Built-in Trap) without Built-in Trap Valves Stainless Steel Ball Valves Lock Release Valves Globe Valves Bellows Sealed Valves Bypass Blow Valves Check Valves Strainers, Sight Glasses and Other Y-strainers Sight Glasses Automatic Non-freeze Valves Air Vents Rapid Initial Air Vents Automatic Air Vents Super Compact Automatic Air Vents Air Vents for Steam Air and Drain Traps Free Float® Air Traps Air Traps for High Viscosity Condensate Free Float® Drain Traps Peripheral Equipment Manifolds Steam Condensing Heat Exchanger High-Temp. Waste Water Heat Exchanger Flash Vessels Steam Compressor Maintenance Instruments Pocket-size Tester Engineering Software Instantaneous Water Heater More Information Steam Theory Document Search Technical Documents Product Solutions CAD 3D Archived Documents Operation Animations Success Stories System Solutions FAQ TLV ToolBox - For iOS and Android Email Magazine Discover steam engineering tips in our bi-monthly newsletter. Sign up now Bypass Blow Valves Valves that ensure reliable, high sealing performance after bypass blow. Operating Pressure Range: 0 - 65 bargOperating Temperature Range: 0 - 425 °C Bypass Blow Valve Pamphlet (1481 KB) Product Details BD800 Specifications Manual • Bypass blow valve for use in high temperature and high pressure applications• Features an inline scale removal function• Gland packing prevents external leakage• Highly durable F304 stainless steel body• Replaceable gland packing, valve stem, valve seat and gaskets for long product service life• Spanner cap protects valve stem from foreign matter and weather Always check the specification PDFs for the exact product specification available in your region. Benefits and Features Prevents Leakage Gland packing proven in high pressure applications prevents external leakage. Scale Removal Function The inline scale removal function allows the removal of scale and dirt by operation of the valve, preventing clogging and reducing wear on the valve seat. See the instruction manual for details. Highly Durable Highly durable materials resistant to erosion and corrosion. Easy Inline Maintenance Gland packing, valve stem, valve seat, and gaskets replaceable inline. Application Areas High temperature and high pressure applications, such as steam trap bypass lines.