MSA Air-Line Respirators
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Because every life has a purpose.

MSA Air-Line Systems Type C Supplied-Air Respirators, commonly called air-line respirators, provide long-duration respiratory protection. Systems generally consist of a full- or half-mask facepiece connected by air-supply hose to an air source. When connected, respirators deliver respirable air to users. This guide is designed to aid in understanding specific pressure-demand and constant flow air-line systems from air source to respirator. Complete air-line kits consisting of frequently-ordered systems for ease of ordering are listed as well. Type C Supplied-Air Respirators are approved by...

MSA Pressure-Demand Respirators PremAire® Cadet Respirator PremAire Cadet Respirator pressure-demand, Type-C, NIOSH-approved, supplied-air respirator with mask-mounted regulator responds quickly to wearers’ changing breathing requirements. Key applications include chemical, industrial, metals, power generation, water and wastewater treatment, public works, maintenance, and food processing. • Basic air-supplied device is easily upgradeable to versatile PremAire System. • May be used in non-IDLH (Immediately Dangerous to Life or Health) environments only. Complete Assemblies All listed...

Air-Line Respirators MSA Pressure-Demand Respirators PremAire Cadet Escape Respirator The PremAire Cadet Escape Respirator, Combination Supplied-Air Respirator with Escape Cylinder offers streamlined design for size, simplicity, comfort, and economy. Key applications include chemical, refinery, oil and gas drilling, maintenance, confined space entry, turnarounds, storage facilities, public works, and food processing. • Low-profile escape cylinders may be worn on right or left hip. • Choice of Ultra Elite Pressure-Demand Facepiece or Advantage 4000 Facepiece with APR conversion capability. •...

Pressure-Demand System Optional locking quick-disconnects Sealing tape required on all pipe threads. Begin at second thread and wrap 1 to 1½ turns clockwise. * 2400 psig cascade system Select 1 outlet connection: E1, E2 or E3 Note: DO NOT use teflon sealing tape on straight threaded connections with O-ring seals. Note: Cascade cylinders are not normally used with constant flow systems due to excessive air usage—1 large (300- cu-ft) cylinder would last 1 working person only about 15 minutes. Therefore, using cascade cylinders with pressure-demand systems is recommended. Pressure Demand...

Air-Line Respirators MSA Constant Flow Respirators Complete respirator assemblies are available with Advantage 4000, Ultravue® or Ultra Elite Full-Facepieces, Comfo® Half-Mask or Comfo Welder’s Facepiece, breathing tube, web support belt, and air-flow control valve with quick-disconnect assembly. Key applications include chemical, industrial, metals, power generation, maintenance, and pharmaceutical. NIOSH-approved. Constant Flow Air-Line Respirator with Advantage 4000 Facepiece Constant Flow Air-Line Respirator with Ultra Elite Facepiece Constant Flow Air-Line Respirator with Ultravue...

Constant Flow Air-Line Kits Additional MSA constant flow respirators with loose-fitting hoods include Versa-Hood™ Air-Supplied Hood P\N 484690, Versa-Hood with Foster plug. Additional MSA constant flow respirators with tight-fitting facepieces include: • Constant Flow Duo-Twin Air-Line Respirator, complete with Foster plug and socket - P/N 484087. • Constant Flow Duo-Flo Air-Line Respirator, complete with Advantage 4000 Facepiece - P/N 10091952. • Abrasi-Blast Supplied-Air Respirator, models with waist-length Hypalon hood. - High pressure - P/N 468718 - Abrasi-Blast Respirator with Duo-Flo...

MSA Air-Line Fittings, Hoses, Cascade Systems, and Accessories For complete listings of MSA air-line respirators, air sources, accessories, and system configurations, please see A Pocket Guide to Air-Line Systems, MSA bulletin #0114-14. Air-Supply Hose Cascade System Accessories Audi-Larm Audible Alarm, low pressure CGA 346, 0-3000 psig Audi-Larm Audible Alarm, high pressure CGA 347, 0-5500 psig Air coupler tee - low pressure CGA 346, 0-3000 psig Air coupler tee - high pressure CGA 347, 0-5500 psig HOSE COUPLING Air pigtail - high pressure CGA 347, 0-5500 psig Air cylinder pressure...