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Baldwin™-Series Direct Extractive
Filter Probes
General Purpose Applications
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.
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
- Eliminates the complexity of separate temperature
controllers heater bands and Kalrez o-rings for high temperature
sampling requirements
- Various size flanges
- Durinert®
or Teflon coated filter assembly
option for corrosive gas streams
Model Specifications
|
Model |
Blowback |
Filter
Assembly
Temp Control |
Temp/Blowback
Circuit Board |
Enclosure |
Dimensions* |
Weight |
|
31 |
N/A |
Self
Regulated |
N/A |
Insulated
Canister |
6x14x6 in HWD
15x36x15 cm |
14
lbs
6 kg |
| 32C |
N/A |
External Regulated |
N/A |
NEMA 4
Steel |
14x12x8 in
36x30x20 cm |
30
lbs
14 kg |
|
33C |
N/A |
Self
Regulated |
N/A |
NEMA 4
Steel |
14x12x8 in
36x30x20 cm |
30 lbs
14 kg |
|
34C |
2-way
solenoid |
External Regulated |
N/A |
NEMA 4
Steel |
14x12x8 in
36x30x20 cm |
34 lbs
15 kg |
|
34C-R |
2-way
solenoid |
Self
Regulated |
N/A |
NEMA 4
Steel |
14x12x8 in
36x30x20 cm |
34 lbs
15 kg |
|
35C |
2-way
solenoid |
Circuit Board Regulated |
Integral |
NEMA 4
Steel |
14x15x8 in
36x38x20 cm |
37 lbs
17 kg |
|
36C |
4-way
solenoid |
Circuit Board Regulated |
Integral |
NEMA 4
Steel |
14x15x8 in
36x38x20 cm |
37 lbs
17 kg |
*Excluded probe stinger and heat-shrink boot.
| Area Classification |
General Purpose |
| 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 Material |
Schedule 40, Schedule 80 stainless steel
or Hastelloy |
| Connections |
1 1/4" male pipe nipple mount; 1/2" female pipe
thread for stinger |
| 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) |
| 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 |
*Not available on Model 31 Portable Filter Probe
Blowback System Specifications (Models 34C, 34C-R, 35C, 36C)
| Blowback Duration |
5 sec standard |
| Instrument Air for Blowback |
Min 50 psig, Max 90 psig |
| Blowback Accumulator Tank |
16 ga. SS, 4x8 inch cylinder |
| Blowback Flow rate |
14 scfh |
Blowback Sokenoid Valve
(Model 4P-34C-R only) |
Line voltage (standard)
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 |
Filter probes - General
General Brochures (pdf)
Ordering
part numbers and options, click here
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