DN3400 High Temperature Dampers

Pneumatic ventilation butterfly valve high temperature dampers for Marine and Industry

Advanced design and equipment

• Size range from DN2100 to DN3400
• Tightness - 99,9 % geometrical tightness
• 100% tightness with sealing air
• Low exhaust gas flow resistance with 2 bladed construction without middle beam
• Service free bearings at damper backside allow for compact design, installation against wall and no need for maintenance platform
• Blade linkage with linkage cover
• Mechanical locking

Equipment options

• Soot cleaning system
• Control cabinet
• Solenoid valve + service unit
• Limit switches on shafts
• Limit switches on actuator
• Sealing air valve
• Sealing air fan
• Sealing air pressure measuring join
• Rainwater drainage joint

Actuator options

Pneumatic actuator

• fail-safe with spring operation
• fail-safe with pressurized tank
• manual override gear

Electrical actuator

• fail-safe with UPS Electro-hydraulic actuator
• fail-safe with pressurized tank