Delta Plus M3000 Mars Series To 40MM NATO (RD40x1/7) Adapter

Delta Plus M3000 Mars Series To 40MM NATO (RD40x1/7) Adapter

thingiverse

Delta Plus M3000 Mars Series To 40MM NATO (RD40x1/7) Adapter ==================================================== This prototype design makes the legacy Delta Plus M3000 Mars series respirator compatible with RD40x1/7 threaded filter canisters or step down adapters. This adapter enables greater cross compatibility of respirators and filters to other manufacturer models. If you do not have access to 40MM (RD40x1/7) filters, you can use the following adapters to step down to COTS filter cartridges from these companies below: 40 MM NATO to 3M Filter Adapter https://www.thingiverse.com/thing:4245358 40MM NATO to Scott Series Filter Adapter https://www.thingiverse.com/thing:4347531 40 MM NATO to MSA Bayonet Filter Adapter https://www.thingiverse.com/thing:4265715 40MM NATO to MSA Comfo Classic Filter Adapter https://www.thingiverse.com/thing:4267676 40 MM NATO to Honeywell/Honeywell North Filter Adapter https://www.thingiverse.com/thing:4268775 40MM NATO to Honeywell Sperian Filter Adapter https://www.thingiverse.com/thing:4297348 40MM NATO to Honeywell Safety Sperian /Survivair ValuAir (Bayonet) Filter Adapter https://www.thingiverse.com/thing:4345345 40MM NATO to AOSafety Threaded Filter Adapter https://www.thingiverse.com/thing:4273365 40 MM NATO to AOSafety R5700 8051 Bayonet Filter Adapter https://www.thingiverse.com/thing:4265538 40MM NATO to Portwest Bayonet Filter Adapter https://www.thingiverse.com/thing:4273377 40 MM NATO to 3M N100 Filter Adapter https://www.thingiverse.com/thing:4351241 Alternatively, if you cannot source COTS filters, search thingiverse, there are a number of other DIY filter cartridge designs to mate to other major manufacturer, 3M/MSA/etc. respirator's attachment system. Part Description: ============== DELTAPLUS_M3000_TO_40MM_NATO_ADAPTER_GEN1.stl Initial model release, M3000 threads based on mikrobi2’s Delta Plus M3200 to 3M adapter design, which appear to be roughly something like ~M26x4. https://www.thingiverse.com/thing:4250909 Disclaimers/Risks: =============== 1.) Use Proper Gaskets Requires 40 mm OD gasket or o-ring on the interior RD40x1/7 pocket to ensure proper seal maintained between cartridge and threads. 2.) Perform Proper Negative Pressure Test Follow SSPs established by your institution or workplace for further guidance. But in general, don your respirator, adjust straps till taught against face, ensuring no obstructions around the periphery of the seal against face either due from hair, facial hair, or otherwise. Exhale deeply. Cover all inhalation ports. (Typically, most full face or half face respirators have two filters, so cover those intake ports with your hands. If your running only one filter, ensure the opposite port has filter cap in place.) Now inhale deeply. The mask should suck tightly against your face without any air leakages. Re-test if adjustments are required at gasket/o-ring interfaces at the adapter. 3.) Use At Own Risk – Temporarily Solution Only Until Supply Chain Normalizes 3D printing materials are not resistant to many solvents, are water soluble, and degrade when exposed to chemicals, heat, and UV/sunlight. 3D printing this adapter is only a temporarily ad-hoc solution against biological contagions. In addition to using a properly calibrated 3D printer, due to tolerances of adapters, if possible perform hot nozzle pass on all exterior surfaces, to reduce surface porosity. Highly recommended users apply a thin layer of polyurethane clear coat on all exterior surfaces, spray or dip based methods, to help resiliency and durability for repeated sterilization and to reduce fomite transmission in printed infill layers. Once supply chains return to normal, users should purchase OEM OSHA/NIOSH/EN standard approved respirators, adapters and accessories for their institution and workplaces. Dev. Notes: ========== 04/24/2020 - Initial model release. I do not have any Delta Plus respirators or filters to check measurements, so please report back in comments for any fitment issues and I’ll release revisions as required. Credits: ====== Thanks to mikrobi2 for his Delta Plus M3200 to 3M adapter design. https://www.thingiverse.com/thing:4250909

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