Breathing Air Pressure; Breathing Air Pressure Table - Bullard 88VX Series User Manual

The requirements for Grade D breathable air include:
Oxygen ...............................................................19.5-23.5%
Hydrocarbons (condensed)
in mg/m3 .................................................... 5 mg/m3 max.
Carbon monoxide ............................................. 10 ppm max.
Carbon dioxide ............................................ 1,000 ppm max.
Odor.................................................Lack of noticeable odor
No toxic contaminants at levels that make air unsafe
to breathe.
Contact the Compressed Gas Association (1725 Jefferson
Davis Hwy, Arlington, VA 22202) for complete details on
Commodity Specification G-7.1.
Air Source
Locate the source of supplied air whether it is an air
compressor or an ambient air pump, such as a Bullard
Free-Air pump, in a clean air environment. Locate the air
source far enough from your work site to ensure the air
remains contaminant-free. Always use an inlet filter on
your air source.
Use suitable after-cooler/dryers, filters, carbon monoxide
monitors and alarms, like the Bullard Clean Air Box (CAB)
Series, as necessary to assure clean, breathable air at
all times.
The air should be regularly sampled to be sure that it
meets Grade D requirements.

Breathing Air Pressure

Air pressure must be continually monitored at the point-
of-attachment while operating this respirator. A reliable
air pressure gauge must be present to permit you to
continually monitor the pressure during actual respirator
operation.
WARNING
Failure to supply the minimum required pressure
at the point-of-attachment for your hose length and
type will reduce airflow and could result in death or
serious injury.
The Breathing Air Pressure Table (page 9) defines the
air pressure ranges necessary to provide 88VX Series
respirators with a volume of air that falls within the
required range of 6-15 cfm or 170-425 lpm (Ref. 42 CFR,
Part 84, Subpart J, Table 8).
8
Make sure you understand the information in the Breathing
Air Pressure Table before using this respirator.
1. Determine the type of air source you are using (column
1), then find your flow control valve/climate control
device (column 2).
2. Be sure your Bullard air supply hose(s) (column 3) is
approved for use with your flow control valve/climate
control device.
3. Determine that your Bullard air supply hose is within the
approved length (column 4).
4. Make sure you have not exceeded the maximum number
of hose sections (column 5).
5. Set the air pressure at the point-of-attachment within
the required pressure range (column 6) for your flow
control valve/climate control device, and air supply hose
type and length. Accurate pressure readings can only be
attained when air is flowing into the respirator.
NIOSH approved Bullard air supply hose(s) MUST be used
between the breathing tube connection fitting on the
wearer's belt and the point-of-attachment to the air supply
(Figure 3, Page 10).
NIOSH approved Bullard quick-disconnect fittings MUST
be used to connect V5 or V20 hose lengths together. When
connecting lengths of V10 hose, only use Bullard V11 hose-
to-hose adapters. Secure connection(s) until wrenchtight
and leakfree. Total connected hose length and number
of hoses MUST be within the ranges specified on the
Breathing Air Pressure Table (Page 9) and the respirator's
NIOSH approval label (Page 3).
The breathing tube connection fitting MUST be secured
to the belt that is supplied with this respirator. Securing
the air entry connection fitting helps prevent the air
supply hose from snagging, disconnecting or pulling the
respirator helmet off your head.
S - Special or Critical Users Instructions

Breathing Air Pressure Table

This table defines the air pressure ranges necessary to provide 88VX Series respirators with a volume of air that falls within the required range of
6-15 cfm or 170-425 lpm according to U.S. Government regulations (42 CFR, Subpart J, 84.150, Table 8).
1 2 3 4
Flow Control Valve/ Air Supply Air Supply
Air Source Climate Control Device Hose Hose Length (feet)
Stationary F30, F30B, F30S, F31, F32, V10 25
or Portable F33, F34, F37, F38 50
Air Compressor 100
150
200
250-300
V5 25
50
F40, F40B, F40S, F41, F42, V10 25
F43, F44, F47, F48 50
100
150
200
250-300
V5 25
50
AC100030, AC100030B, V10 25-50
AC100030S, AC100031, 75-150
AC100032, AC100033, 175-300
AC100034, AC100037,
ACC100038 V5 25
50
DC5040, DC5040B, V10 50
DC5040S, DC5041, 100
DC5042, DC5043, 150
DC5044, DC5047, 200
DC5048 250
300
V5 25
50
HC240030, HC240030B, V10 25
HC240030S, HC240031, 50
HC240032, HC240033, 100
HC240034, HC240037, 150
HC240038 200
250
300
V5 25
50
Bullard F35, F35B, F35S V20 50
Free-Air ® 100
Pumps 200
300
Frigitron 2000 V20 50
Frigitron 2000B 100
Frigitron 2000S 200
300
88VX Series Airline Respirator
User Manual
5 6
Maximum Number Required Pressure
of Hose Sections Range (psig air)
1 14-15
2 15-18
3 19-24
4 23-29
5 25-34
5 31-39
1 12-18
2 19-23
1 22-25
2 24-27
3 27-32
4 30-37
5 33-40
5 38-45
1 22-26
2 25-30
2 55-65
3 60-70
5 65-75
1 55-65
1 56-69
2 48-52
3 59-63
3 68-72
3 80-84
3 85-92
5 90-98
1 53-57
2 67-71
1 61-63
2 63-65
3 68-70
4 73-75
4 77-79
5 80-82
5 84-86
1 65-66
1 68-69
1 4-6
2 6-8
2 10-15
3 13-18
1 16-22
2 18-25
2 22-30
3 25-34
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