Greenheck hcd-221
submittal by Greenheck. Cut sheet, part numbers and a one-click submittal — indexed and ready in Submittal.app.
Greenheck Industrial Isolation Control Damper (HVAC Dampers). Model HCD-221. Heavy duty industrial isolation damper with flanged frame; Available with parallel or opposed blade action; Blade design provides shutoff with very low leakage; Operating temperature range -40°F to 400°F (-40°C to 204°C). material: Galvanized Steel (Standard), 304SS/316SS (Optional)
Build a submittal around the Greenheck hcd-221 in minutes — describe the job or paste your schedule and the agent pulls the current cut sheet into a formatted package you can share for review and get quoted, fast.
Product details
| Connection size | Min 6x6 in (152x152 mm), Max Single 48x60 in (1219x1524 mm), Max Multi 96x60 in (2438x1524 mm) |
|---|---|
| End connection | Flanged channel |
| Pressure Rating | Up to 10 in. wg (2.5 kPa) differential |
| Flow Rate | Up to 4000 fpm (20.3 m/s); f |
Part numbers / catalog
How It Works
From schedule to submittal package in minutes, not days.
Describe your schedule
Paste a fixture schedule, upload a spec section, or just tell the Submittal Builder what the job calls for — catalog numbers, Greenheck hcd-221 series, quantities.
AI matches products & assembles the package
The agent matches Greenheck hcd-221 products from our indexed library, pulls the current cut sheets, and assembles a formatted submittal package with a cover page and table of contents.
Share for review
Send a review link to the design team or GC for sign-off — and when you're ready, roll the approved package into a quote or PO without retyping a part number.
Add the Greenheck hcd-221 to a submittal
Describe the job and the AI agent builds the whole package — cut sheets pulled, schedule matched, cover and TOC included. Free to start.