
The GAST - AJ121C is a regenerative blower silencer for side-channel regenerative blowers, with a noise reduction rating of 5 dB. Compatible with Gast brand blowers and models in the R3 series, this muffler foam type silencer connects via screw-on fittings and features a single inlet and outlet designed to fit 1 1/4 inch NPT threaded ports. Its construction supports blower operation within a maximum pressure of 55 psi, with airflow ranging from 40 to 52 cfm.
Key Features:
- - Compatible Manufacturer Part Numbers: R3105-12 and R3305A-1
- - Material Construction: Steel with painted gray finish
- - Connection Style: Screw On with male inlet and female outlet threads
- - Inlet and Outlet Size: 1 1/4 inch NPT
- - Noise Reduction Rating: 5 dB
- - Number of Inlets and Outlets: One inlet and one outlet
- - Dimensions: 2.62 inches outside diameter and overall length of 7.94 inches
- - Quantity Included: One piece
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Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.