Gastight Damper

• For shut-off and balancing of air intake and exhaust ducts.
• Available as ATEX certified.
• Shock tested.
• Closed damper fulfils the requirement of leakage class up to class 3.
• Classification of casing leakage class B.
• Outer frame of galvanized, painted or stainless steel.
• Blades of galvanized or stainless steel with double sheet construction, silicon
• Maintenance-free stainless-steel bearings and shafts.
• Electrical, pneumatical or manual operation system available.
• PT GT dampers can be supplied with connection pieces for round duct.
• Maximum duct pressure for damper construction 5000 Pa and maximum air velocity 15 m/s. In case of high duct pressure, contact Halton Marine for finding the most suitable solution.
• Temperature operation range up to +100°C, optionally up to +180°C
• Actuators
  • Electrical spring return actuator; standard actuators being 24 VAC/DC or 230 VAC or 120 VAC. Depending on the choice of actuator, the actuator might contain built-in open-closed limit switches. A wide range of Ex actuators available, including a one second closing time function as an option (for limited sizes).
  • Pneumatic rotating actuator.
  • Manual handle.

A wide range of accessories available.