Crowcon Flamgard Plus Fixed Gas Detector
The Crowcon Flamgard Plus is a Flameproof (Exd) flammable gas detector which uses poison-resistant pellistors to detect explosive levels of hydrocarbons, hydrogen and other flammable gases and vapours, including aviation fuel and leaded petrol vapours.
Features:
- 4-20mA current sink or source – works with a wide selection of control panels
- 3 wire format
- Optional relays for alarm and fault – can be used for switching local alarms
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product. Non-intrusive calibration
Calibration can be performed locally without the need for hot work permits – minimises operational down-time
Local display and buttons enable calibration without opening the junction box
Flexible output options
4-20mA current sink or source – works with a wide selection of control panels
3 wire format
Optional relays for alarm and fault – can be used for switching local alarms
Rugged and reliable
Constructed using marine-grade aluminium with a stainless steel sensor housing – proven track record for operation in the harshest environments
Ingress protection to IP65 as standard
Low cost of ownership
Non-intrusive one man calibration – easy to operate and maintain
Long life sensors – keeps interuption to on-site activity to a minimum
Simple parts replacement
Wide range of sensors
Choice of catalytic beads for a wide selection of flammable gases and vapours – gas detector tailored to your requirements
| Size | 200 x 115 x 115mm (7.9 x 6.1 x 6.1ins) |
| Weight | 2.2kg (4.9lbs) |
| Ingress protection | IP65 |
| Enclosure material | Junction box: Marine grade alloy Sensor housing: 316 stainless steel |
| Power | 10-30Vdc, 210mA max (relay version) 160mA max (non relay) |
| Cable entries | 2 x M20 or 1/2” NPT |
| Operating temperature | -10°C to +55°C (-14°F to 131°F) * |
| Humidity | 0 to 99% RH non-condensing |
| Relays (optional) | SPNO or SPNC contacts rated 30Vdc 1A (non-inductive load) for Alarm 1, Alarm 2, Fault |
| Display | 3-digit LCD back-lit display, LED status indicator |
| Calibration method | Via magnetically operated buttons |
| Electrical output | 3 wire 4-20mA, sink or source |
| Terminals | Suitable for up to 1.5mm2 cable |
| Sensor type | Catalytic bead |
| Repeatability | +/- 2% FSD typically |
| Zero drift | +/- 2% FSD, 6 months typically |
| Response time | T90 <15 seconds typically |
| Performance | Tested in accordance with EN60079-29-1 |
| Hazardous area zones | Zone 1 or 2 |
| Approvals | Ex II 2 G Ex db IIC T6 Tamb -20°C to +55°C |
| EMC compliance | EN 50270, FCC: CFR 47 Part 15, ICES-003 |
* Figures shown exclude the sensors – Please contact us for a full list of sensor operating temperatures
Gases and Ranges
| Gas | LEL (% vol.) | Range Available |
| Acetylene (C2H2)* | 2.3 | 0-100% LEL |
| Ammonia (NH3) | 15 | 0-100% LEL |
| Butane (C4H10) | 1.4 | 0-100% LEL |
| Ethanol (C2H5OH) | 3.1 | 0-100% LEL |
| Ethane (C2H6) | 2.4 | 0-100% LEL |
| Ethylene (C2H4) | 2.3 | 0-100% LEL |
| Hexane (C6H14) | 1.0 | 0-100% LEL |
| Hydrogen (H2) | 4 | 0-100% LEL |
| LPG | 2 | 0-100% LEL |
| Methane (CH4) | 4.4 | 0-100% LEL |
| Methanol (CH3OH) | 6 | 0-100% LEL |
| Pentane (C5H12) | 1.1 | 0-100% LEL |
| Petrol vapor | 1.3 | 0-100% LEL |
| Propane (C3H8) | 1.7 | 0-100% LEL |
| Propanol (C3H8O) | 2.1 | 0-100% LEL |
- To order contact us via:
Phone: Call +44 (0)330 088 0560 - Email: [email protected]
- Web Form: Get a quote
Flamgard Plus Exd Flammable Gas Detector With Display
Analogue - No Relays
FLP/A/A 0-100% LEL with a VQ21T pellistor - gas types available methane, pentane, propane, butane, hexane, hydrogen, LPG, methanol, ethanol, propanol, ethylene, ethane, toluene, petrol vapour (unleaded) and carbon disulphide.
FLP/C/A 0-100% LEL with VQ8 pellistor for resistance to leaded petrol
FLP/G/A 0-100% LEL with VQ41 pellistor - ammonia (0-25%, 0-100% LEL) or jet fuel (0-100% LEL )
FLP/H/A 0-100% LEL with VQ1 pellistor - gas types available methane and acetylene†.
With Relays
FLP/A/R 0-100% LEL with VQ21T pellistor - gas types available methane, pentane, propane, butane, hexane, hydrogen, LPG, methanol, ethanol, propanol, ethylene, ethane, toluene, petrol vapour (unleaded) and carbon disulphide.
FLP/C/R 0-100% LEL with VQ8 pellistor for resistance to leaded petrol
FLP/G/R 0-100% LEL with VQ41 pellistor - ammonia (0-25%, 0-100% LEL) or jet fuel (0-100% LEL )
FLP/H/R 0-100% LEL with VQ1 pellistor - gas types available methane and acetylene†.
FLP-0077 Flamgard-Plus without sensor assembly, ATEX M20
FLP-0022 Flamgard-Plus without sensor assembly, with relays. ATEX M20
FLP-0069 Flamgard-Plus without sensor assembly UL 1/2"NPT
FLP-0041 Flamgard-Plus without sensor assembly, with relays. UL 1/2"NPT
Flamgard-Plus and TXgard Plus Gas Detector Accessories (to fit 96HD)
C01052 Spray deflector. For outdoor installations & protection from water sprays.
C01442 Weatherproof cap
C01051 Collector cone. For aiding detection of light gases such as methane.
C01254 Carbon cloth filter (self adhesive). Removes long-chain hydrocarbons.
C01688 Stainless steel flow adapter for 96HD
C03005 Calibration adaptor
ATEX Certified Exd Cable Gland Adaptors.
M02125 M20 to ½" NPT (for standard Xgard, Exe or Exd Crowcon junction box)
M02281 M20 to ¾" NPT (for standard Xgard, Exe or Exd Crowcon junction box)
M02354 Exd/Exe certified brass cable gland. M20 x 1.5mm thread, suitable for Steel Wire Armoured cables with outside diameter 15.5mm to 21.1mm (inner sheath 6.7mm to 14mm). Certified ATEX II 2 GD, Exd IIC/Exe II. Certified to ATEX, IECEx, CSA, GOST-R and NEPSI standards. IP66/67/68.
Flamgard Plus Spares
C01697 Crowmag
M040013 Junction box lid O-Ring
S011899 Flamgard Plus Amplifier with methane header (300P pellistor)
S011900 Flamgard Plus Amplifier with propane header
S011901 Flamgard Plus Amplifier with pentane header
S01865 Flamgard Plus Amplifier (no header) - specify gas
S01846/3 Analogue terminal board
S01847 Relay terminal board
S01892 Flamgard-Plus/TXgard-Plus junction box only (no label)
S01749/A 96HD/FL flammable gas detector (spare), fitted with 300P pellistor (replacement for VQ21T)
S01749/A/VQ21 96HD/FL flammable gas detector (spare), fitted with VQ21T pellistor
S01749/C 96HD/FL flammable gas detector (spare), fitted with VQ8 pellistor
S01749/G 96HD/FL flammable gas detector (spare), fitted with VQ41 pellistor
S01749/H 96HD/FL flammable gas detector (spare), fitted with VQ1 pellistor
S01637/A/M 96 HD/FL sensor element 300P pellistor
S01637/A/M/V 96 HD/FL sensor element VQ21T pellistor
S01637/C 96 HD/FL sensor element VQ8
S01637/G 96 HD/FL sensor element VQ41
S01637/H 96 HD/FL sensor element VQ1
S01781 96HD replacement sinter
S01853 Amplifier header: methane (300P pellistor)
S01854 Amplifier header: pentane (VQ21T pellistor)
S01962 Amplifier header: hydrogen (VQ21T pellistor)
S011020 Amplifier header: propane (VQ21T pellistor)
S01905/3 Amplifier header: methane (VQ21T pellistor)
Special spare detector heads
S012122 96HD flammable gas detector head (VQ21 pellistor), ATEX markings only (no UL markings)
Flamgard-Plus Exd Flammable Gas Detector with Display
With relays
FLP-01 Methane 0-100% LEL , Relays, M20, ATEX
FLP-02 Butane 0-100% LEL , Relays, M20, ATEX
FLP-03 Hydrogen 0-100% LEL , Relays, M20, ATEX
FLP-04 LPG 0-100% LEL , Relays, M20, ATEX
FLP-05 Propane 0-100% LEL , Relays, M20, ATEX
Without relays
FLP-06 Methane 0-100% LEL , No Relays, M20, ATEX
FLP-07 Butane 0-100% LEL , No Relays, M20, ATEX
FLP-08 Hydrogen 0-100% LEL , No Relays, M20, ATEX
FLP-09 LPG 0-100% LEL , No Relays, M20, ATEX
FLP-10 Propane 0-100% LEL , No Relays, M20, ATEX
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