3D illustration of the reference design
HVAC & Refrigeration · Duct components
Volume Control Damper
Manual, Opposed-Blade (300 × 300)
A complete 300 × 300 balancing damper: a frame of two U halves (150 + 150 = 300 clear height, 200 deep along the airflow, 15 mm duct flanges), five opposed blades on pivot pins, a linkage bar and a quadrant handle.
Specification
| Section | 15 / 150 / 300 / 150 / 15 mm legs, t 1 mm, length 200 mm |
|---|---|
| Material | GI sheet |
| Finish | Galvanised as supplied; flanges sealed with duct sealant; optional insulation wrap |
| Pattern | Plain (no perforation) |
| Product code | 8.35 |
Fitted to order
- Pivot pins + bushings
- Quadrant handle
Reference design, made to order. Size, material, finish and fittings follow your drawing. Protection ratings and loads are design targets, confirmed by test on the first article of each order.
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Need a different size or material?
Send a drawing, a sample or a description. We make it to your specification and reply with a clear quotation.