Component Concept
(continued)
1. Respirator Hood
2. Headband or head protection
3. Breathing tube assembly:
Connects respirator hood to air supply hose. Available with a
choice of quick-disconnect fittings, constant or adjustable airflow control and optional climate
control devices.
Breathing Tube Assemblies
Without Climate
Control Devices
With Climate Control Devices*
Cold Only
Hot/Cold
Constant
Adjustable
V30
V30B
V30S
V31
V32
V33
V34
V35
V35B
V35S
V40
V40B
V40S
V41
V42
V43
V44
AC100030
AC100030B
AC100030S
AC100031
AC100032
AC100033
AC100034
Frigitron® 2000
Frigitron 2000B
Frigitron 2000S
DC5040
DC5041
DC5042
DC5047
HC240030
HC240030B
HC240030S
HC240031
HC240032
HC240033
HC240034
*These climate control devices require the use of the 20BT breathing tube to constitute complete
breathing tube assemblies. Breathing tube must be purchased separately.
4. AIR SUPPLY HOSE:
Connects breathing tube to air source supplying clean, breathable air.
Hose for High Pressure Compressed Air Source
Hose for Low Pressure
Ambient Air Pump
V5
3/8” Coiled I.D. Hose
V5 Starter / Extension Hose
V10
3/8” I.D. Hose
V10 Starter Hose / Extension Hose
V20
1/2” I.D. hose
V20 Starter / Extension Hose
Available in 25 and 50 foot
lengths with a variety of
quick-disconnect fitting styles
and materials. See parts list
for details.
Available in 25, 50 and 100 foot lengths
with a variety of quick-disconnect fitting
styles and materials. See parts list
for details.
Available in 50 and 100 foot
lengths with a variety of
quick-disconnect fitting styles
and materials. See parts list
for details.
GR50 Series Airline
Respirator User Manual
GR50 Component Concept
GR50 Component Concept
4
5
Component Concept
Bullard GR50 Series airline respirators consist of four components (Figure 1). All must be present and
properly assembled to constitute a complete NIOSH-approved respirator.
Belt
Figure 1
Clean Breathable
Air Source
Supplying Grade “D”
or Higher Air Quality (See Breathing
Air Requirements on page 7)
➀
➁
➂
➃
Respirator Hood
Headband or
Head Protection
Breathing Tube
Assembly
Flow Control Valve
Air Supply Hose
�
WARNING
Failure to use complete NIOSH-approved Bullard components and replacement parts voids
approval of entire assembly. Basic parts are listed on the NIOSH Approval Label on page 1.