- Housing shall be constructed from 11ga and 3/16″ plate t-304 stainless steel, t-316 stainless steel or alumunized material.
- Blade is constructed of two 3/16″ plates with silicone gasket inbetween them to seal on inner wall of damper.
- Pressure boundary to be 100% seal All other welds to be intermittent.
- Unit tested per asme n510, 1989, 1995 reaffirmed to ±15″ w.g.
- Electric, pneumatic and manual actuators are available.
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