Frequently Asked Questions
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Yes
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Yes, you can overhaul the 350M BIBS Mask. The user manual provides factory suggested procedures and instructions for operating, maintaining and servicing the Amron 350M BIBS Mask. Any service or maintenance performed on the 350M breathing system shall be done only by those facilities experienced in or by personnel knowledgeable in oxygen equipment.
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Amron includes a serialized Certificate of Conformance with each BIBS mask. Additionally, NUI performed unmanned testing in accordance to NORSOK U-101:1999. The testing certificate was signed by both NUI and a DNV representative. The signed test certificate can be found in the attachment tab of this webpage under document titled 350M BIBS Mask Certificate.
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The Amron 350M BIBS mask was designed to be used at depths from 0 to 350 MSW. The Amron 350M BIBS is ideal for both hyperbaric chambers as well as mid-level SAT system depths.
The Avox Pressur-Vak II BIBS mask system has been commonly used in hyperbaric chambers to depths of up to 100 MSW for many years. Amron is pleased to confirm that the Avox Pressur-Vak II will continue to be readily available from Amron for many years to come.
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The ABS Rules for Building and Classing Underwater Vehicles, Systems and Hyperbaric Facilities 2002 does not require specific testing of the BIBS Mask. ABS requires a complete life support system test in accordance with the requirements of Section 8 of the Underwater Rules.
The Amron 350M was specifically designed to meet the rigorous Norsok U-101:1999 breathing standard and has been successfully performance tested by NUI and validated by DNV to operate to depths of 350 meters of seawater.
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Yes. The 350M and 450M BIBS mask was designed to be used with Oxygen, Breathing Quality Air, and Heliox. Nitrox being a mixture of oxygen and breathing quality air would also be an acceptable gas source.
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Typically this is a sign that the supply pressure is set to low and should be increased to around 175 psi over your chamber pressure. Example: If your chamber is pressurized to 100 feet of seaward then the regulator on your high pressure oxygen bottle should be set to 219 psi (44 psi chamber pressure + 175 psi = 219 psi regulator output pressure).
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Yes. The 350M BIBS Mask was designed to have an excellent work of breathing from 0 to 350 meters.
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No
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Yes, both the Amron and Avox BIBS Mask connect to same Hansen quick disconnects. Amron part number 59853-00 for the exhaust quick disconnect and 18969-00 for the oxygen inlet.
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The frequency of cleaning will vary based on the hours of use. Typically the hoses should be internally cleaned at least every 6 months. They can be cleaned with SaniZide or soap & warm water, rinsed with water, and dried. Some facilities require them to be cleaned to a specific O2 cleaning standard.