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Baldwin™-Series Direct Extractive
Filter Probes
Hazardous Area Applications
Class 1 Division 1 & Class 1 Division 2
Baldwin's Direct Extractive Filter Probes feature an
advanced design to extract sample gas and remove particulate while
preventing condensation prior to the gas sample entering the heated
sample line.
New Machine-Lathed Sure-Lock™ Filter
Assembly
Baldwin's new Sure-Lock filter assembly is precision machined
and features a unique design to help ensure proper insertion into the
assembly and to reduce the possibility of leaks. The filter head is
inserted into a notch in the assembly to ensure proper alignment before
locking it in place. The o-rings are tightened under compression, rather
than being located on the sides of the filter head, to reduce the risk
of leakage.
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Available for Class 1 Division 2 and
Class 1 Division 1 applications
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Sure-lock filter reduces risk of
leakage
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Range of filter elements designed for
various applications
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Available with air blowback system
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Options Available:
- Schedule 40, Schedule 80, Hastelloy, and Durinert+
stinger probes
- Sintered stainless steel, screen mesh, ceramic,
glass fiber, and Hastelloy filter elements
- Air blowback system with 115 VAC, 230 VAC, 12 VDC,
or 24 VDC solenoid
- Solenoid to close sample line when blowback is
initiated
- Gas cooling spool piece for high temperature gas
sources
- Various size flanges
- Durinert®
or Teflon coated filter assembly
option for corrosive gas streams
- NEMA 4X stainless steel or
fiberglass enclosure
Model Specifications
|
Model |
Area Classification |
Blowback |
Filter
Assembly
Temp Control |
Enclosure |
Dimensions*
HWD |
Weight |
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34 C-Z |
Class 1, Div 2
Groups B,C,D |
2-way
solenoid |
External
Regulated |
NEMA 4X
306 stainless steel |
14x20x8 in
36x51x20 cm |
40
lbs
18 kg |
| 34 C-R-Z |
Class 1, Div 2
Groups B,C,D |
2-way
solenoid |
Self Regulated |
NEMA 4X
306 stainless steel |
14x20x8 in
36x51x20 cm |
40
lbs
18 kg |
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33 XP |
Class 1, Div 1
Groups B,C,D |
N/A |
Self
Regulated |
UL® Classified Aluminum |
8x8x11 in
20x20x28 cm |
30 lbs
14 kg |
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34 XP |
Class 1, Div 1
Groups B,C,D |
2-way
solenoid |
Self Regulated |
UL® Classified Aluminum |
8x8x11 in
20x20x28 cm |
33 lbs
15 kg |
*Excluded probe stinger and heat-shrink boot.
| Filter Assembly |
Sure-Lock, 316 stainless steel |
| Filter Element Types |
10 micron sintered SS (standard)
5, 20 micron sintered SS
2 micron ceramic
2 micron SS screen mesh
0.1 micron glass
0.7 micron glass / TFE coated
2 micron Teflon |
| Probe Lengths |
18 inch, 1, 2, 3, 4, 5 foot |
| Probe Materials |
Schedule 40, Schedule 80, Hastelloy (optional) |
| Connections |
1 1/4" male pipe nipple mount; 1/2" female pipe
thread for stinger; 1/2" conduit entry for Class 1 Division 1
models |
| Connectors |
1/4" cal gas, 3/8" blowback, 3/8" sample
line |
| Thermocouple |
Type K |
| Heater Type |
Silicone rubber blanket w/metal snap
closures, 100W (standard)
Heater bands, 350W (optional upgrade) |
| Heat-shrink Boot* |
7" length, 2.75" min expanded I.D. nose |
| O-rings |
Viton® |
| Gaskets |
Graphoil |
| Enclosure Insulation |
1/8" thick silicone, medium density |
| Calibration Gas Requirement |
20 psig, 6-10 LPM |
| Probe Operating Temperature |
375°F (190°C) |
| Input Voltage |
115 (230 optional) VAC, 50/60 Hz |
*Class 1, Division 2 probes require air purge line
Blowback System Specifications (Models 34C-Z, 34C-R-Z, 34XP)
| Blowback Duration |
5 sec standard |
| Instrument Air for Blowback |
Min50 psig, Max 90 psig |
| Blowback Accumulator Tank |
16 ga. SS, 4x8 inch cylinder |
| Blowback Flowrate |
14 scfh |
| Blowback Valve |
120 VAC (standard)
230 VAC, 12VDC, 24 VDC (optional) |
Baldwin™ is a Trademark of Perma Pure LLC
Viton® is a Registered Trademark of DuPont
Graphoil® is a Registered Trademark of Union Carbide Corporation
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Filter probes - Hazardous
Operation Manuals (pdf)
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Model 34C-Z |
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Model 34C-R-Z |
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Model 33XP |
Manual |
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Model 34XP |
Manual |
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