Medical Gas Professional Healthcare Organization

Leading through education, we save lives

ZVB for Plastic Surgery

  • Thursday, January 07, 2021 11:03 AM
    Message # 9747735

    Is an O2 ZVB needed for category #3 (Plastic Surgery-minimum sedation). I see that NFPA 2018 says not needed. 

    Gary R.

  • Thursday, January 07, 2021 11:40 AM
    Reply # 9748325 on 9747735

    Hi Gary,

    2018 5.3.4 states "Category 3 systems shall comply with 5.1.4". 

    As 5.1.4 describes all required valves in a Category 1 system, all valves in a Cat 1 system are required in a Cat 3 (and Cat 2).

    With this in mind, a ZV for O2 would be required. 

    Is this helpful?


  • Tuesday, January 12, 2021 5:00 PM
    Reply # 9852565 on 9747735

    Gary sent me additional information, a PDF newsletter from APSF (not sure of the date).

    The chart on page 2 appears to state that category 3 does not require zone valves.

    PDF attached.

    Does anyone have any comments or knowledge on this? 


    1 file
  • Wednesday, January 13, 2021 4:57 AM
    Reply # 9854073 on 9747735

    Gary, I agree absolutely with Robert - 5.3.4 is quite clear than 5.1.4 applies, which would say ZVB are needed.  This APSF paper seems to be a mix of the old (pre 2018/Chapter 15) and the new (2018) understanding of the code.  As such I am concerned that such a paper is circulating as it appears to be very incorrect. 

16339 Kranker Drive, Stilwell, KS 66085