DISCONTINUED AND REPLACED WITH 10 CLBD
10 Inch Round Manual Bypass Damper (OBSOLETE Replaced by 10 CLBD)
The model PRD-RD pressure regulating dampers are a single blade round barometric damper assembly constructed from 24 gauge galvanized steel, with a counter balanced weighted arm. The barometric bypass damper is an economical way to manage airflow and relieve excess air volume and air pressure. Damper blade adjustment is achieved by off-setting the 1/4” hex shaped arm, securing weight #1 towards the bottom of that arm and moving the extra weight(s) (optional) up or down the arm, until the desired operation is achieved. For field versatility, the hex shaped arm can be inserted into either side of the damper. Additional weights can be added if necessary. The blade shafts are 5/8” round Thermotuff™ plastic on all diameters. See Technical Bulletin 090375A0224 Rev. M for setup instructions. The barometric bypass damper is installed in the duct-work on horizontal duct runs and should be mounted level. The PRD-RD damper can relieve pressure by returning the air back to the return air duct or by directing it into a non-critical conditioned area. A restricting hand damper can be installed downstream of the by-pass damper, which allows the installer to set sufficient differential pressure across the bypass relief duct. See Application Note 090376A0169D. The PRD-RD bypass damper is an effective By-Pass solution for any Constant Speed or Variable Speed Zoned HVAC system up to 4 ton capacity.
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Fast Delivery and professional packaging
Due to our long-term partnership in a long-standing partnership with UPS, FedEx, DHL and a variety of other top global carriers we can provide a variety of shipping options. Our warehouse staff are highly trained and will pack your products according to our precise and precise specifications. Your products will be subjected to an extensive inspection and be securely packaged before being delivered. Every day, we send hundreds of packages to our customers across many countries. Our determination to be the biggest online retailer in the world is shown by this. The warehouses are located in Europe as much as they are in USA.
Note: Orders that contain more than one item will be assigned a processing date in accordance with the item.
Prior to shipment, all purchased items will be thoroughly inspected. Most orders are shipped within 48-hours. The expected delivery time is between 3 and 7 days.
Returns
Due to multiple parties such as the factory and the warehouse, we are unable to fully manage stock. So the actual stock may fluctuate at any moment. It is possible that you will not receive your purchase after it's been placed.
Our policy is valid for 30 days. We are unable to exchange or refund your order if it has been 30 days from the date of purchase.
You can only return an item when it's unopened and is in the same condition as when you first received it. You must have the item in the original packaging.
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