HstubeHVAC
Non Return Damper
Galvanised SteelHstube Quality
Dampers & Zone Controls

Non Return Damper

Non Return Damper in Galvanised Steel finish. Available in 2 sizes from 06"/150mm to 08"/200mm.

  • Galvanised Steel finish
  • 2 size options
  • Size range: 06"/150mm — 08"/200mm
  • Item code series: NRD

Technical Specifications

FinishGalvanised Steel
SKU Count2
Size Range06"/150mm — 08"/200mm
Custom SizesNo
Item Code PrefixNRD

Available Sizes (2 SKUs)

Item CodeSizeUnit
NRD0606"/150mmmm
NRD0808"/200mmmm

Custom sizes available on request. Contact us for non-standard dimensions.

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12h response
UL / CE certified
OEM available

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Non Return Damper — FAQ

What is the MOQ for the Non Return Damper?
Minimum order quantity for the Non Return Damper depends on customization level. Standard catalog items typically start at 100–500 pieces. Custom specifications usually require 500–2,000 pieces. Contact our sales team for a precise quote.
What is the lead time for Non Return Damper?
Standard catalog items ship within 15–25 business days from our China facility. Custom or OEM orders typically require 30–45 days. US spiral duct products can ship within 5–10 days from Houston, TX.
Can I get the Non Return Damper with custom specifications?
Yes. We offer full OEM services including custom dimensions, materials, finishes, and packaging. Share your drawings or specifications and we will provide a quote with lead time within 12 hours.
What certifications does the Non Return Damper have?
Our products carry UL, CE, M1, and AWTA certifications depending on the product line. All products are manufactured under ISO quality management standards. View our full certification list.

Need a Custom Version?

We can modify dimensions, materials, finishes, and packaging to match your exact specifications. OEM and private label available.

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