Dräger PSS 7000 Reference Manual
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N A R U E D U C AT I O N C E N T R E
BAI GUIDE
Dräger Personal Safety
System (PSS) 7000
The Dräger PSS 7000 is a self-contained, two staged, open circuit,
1.0
positive pressure, compressed air breathing apparatus set which
conforms to EN136, EN137 & EN144.
Self-contained
Two-stage
Open-circuit
Positive
pressure
Compressed
Air
Breathing
apparatus
Component parts:
Notes
DRÄGER (PSS) 7000
Back plate assembly.
Harness and cylinder bracket
arrangement.
Dräger PSS 7000 SCBA Set, conforms
to EN137 and to the requirements of
EC Council Directive 89/686/EEC,
BSEN 133.
Hose lines.
The equipment is CE Mark Approved
Reducer.
Lung Demand Value.
Facemask.
and is issued with an EC Type Examination
Certificate: CE0359.
Dräger FPS 7000 (facemask) conforms
to EN136.
Bodyguard 7000.
Dräger Compressed Air Cylinder Valves
Cylinder valve and cylinder
conform to the EN144; CE0589.
of compressed air.
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
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NARU_Education
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01
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1.0
Back Plate Assembly
The back plate assembly consists
of three elements:
1
The Adjustable Shoulder Yoke (‘S’ - Short, ‘M’ - Medium, ‘L’ - Long).
DRÄGER (PSS) 7000
1
The Waist Belt Pivot Slide Assembly -
2
improves the weight distribution and
manoeuvrability for the wearer.
3
The Back Plate.
With these three elements, the back
plate works on the Bergen principle
of transferring 2/3 of wearers weight
onto the waist belt.
Conforms to EN 137: 2006.
2
Ergonomically designed.
02
3
Anti-Entanglement Strap Carry Handle
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
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4
Rubber buffer at the base of the
system provides additional impact
protection.
Highly resistant to chemicals.
N A R U E D U C AT I O N C E N T R E
BAI GUIDE
1.0
Flame retardant.
The shoulder yoke, back plate and
waist belt pivot slide assembly is
manufactured from a moulded
carbon composite material providing
an anti-static, lightweight and
durable system.
A retractable personal line with a
5
90kg breaking strain is fitted to the
right-hand side of the set.
It is 6m in length (1.25m then a small
knot the 4.75m).
Side handles, incorporated into the
back-plate moulding channels for
hose lines enables easy carrying
even with a cylinder fitted.
4
DRÄGER (PSS) 7000
5
An anti-entanglement strap is fitted
between the cylinder and back plate
to eliminate the risk of entanglement
by closing the gap between the
cylinder and backplate.
Dual Pressure
Sensor
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
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1.0
Harness & Cylinder Attachment
A pair of adjustable (pull-down)
6
shoulder straps locates into the
associated slot in the base of the
back plate and is secured using
a retention peg.
DRÄGER (PSS) 7000
6
An adjustable chest strap is fitted
7
with a trident buckle.
Pivoted and sliding waist harness
with a pair of adjustable
(pull forward) waist belt straps.
'S' shaped stainless steel, anti-static,
anti-slip buckles.
8
Push-in quick release trident
buckle which is moulded with Dräger
7
name facing outwards.
04
8
Quick Release Trident Buckle
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
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NARU_Education
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Inner padding is flame retardant
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closed cell, fully vulcanised foam.
The inner liner is then covered with
outer layers of woven polyester
covered with neoprene.
N A R U E D U C AT I O N C E N T R E
BAI GUIDE
1.0
All straps, including adjusting straps,
are manufactured from a black material
containing 50% Kevlar webbing that
meets the flame engulfment test
requirements of EN137 and other
material: nylon and panotex.
Hose retaining flaps are made from
double-coated neoprene polyester,
plus a reflective outer printed with a
photo-luminescent pattern and blue
‘Dräger’ logo.
DRÄGER (PSS) 7000
Cylinder Attachment
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
@
NARU_Education
www.narueducationcentre.org.uk
05
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1.0
First Stage Reducer and Cylinder Connector
The reducer is
factory set and
Mechanical
whistle
sealed and
Bronze
must not be
sintered
DRÄGER (PSS) 7000
tampered with
filter
Nitrile
Reducer
Anti-tamper
disk
Reducer is made from nickel plated
marine brass and has a ten - year
service life.
Designed to reduce the compressed
air in the cylinder (200-300bar) down
to 6-9 bar and can deliver 1000 l/min.
At 20 bar it can deliver 550 l/min.
At 10 bar it can deliver 300 l/min.
Two outlet ports, one providing dual
high and medium pressure air to
Bodyguard
providing medium pressure to LDV.
®
7000, and the other outlet
At the outlet end of the hose is a
female quick release coupling (QRC)
that is used to attach the male coupling
of the lung demand valve (LDV).
Dual High Pressure Port - Fitted to
this port is the unique dual function
hose assembly that incorporates the
in-line whistle warning unit, (high
pressure activated - medium
pressure operated), and a high
pressure (HP) contents gauge for
the monitoring of the air pressure
in the compressed air cylinder.
O-ring
Cylinder
Connector
06
Medium pressure port incorporates
a pressure relief valve that operates
Cylinder Connector
Chrome plated marine quality brass.
between 11-16 bar and dumps
400 l/min.
The dual pressure port (medium and
Contains a nitrile O-ring.
Pivots to ease attachment to cylinder.
high pressure) feeds the warning
whistle unit (WWU) which activates
at 55 (+/- 5 bar) and sounds at 90dBA.
Extended Duration Breathing Apparatus (EDBA) Instructor Reference Guide - February 2018, Version 1.0
@
NARU_Education
www.narueducationcentre.org.uk
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