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Experience and Expertise from Hundreds of Reconditioned and Repaired CEMS Dilution Probes

Fast and Consistent Turnaround Times for your Serviced Equipment


We have a wide range of standard Critical Orifice (sonic orifice) styles and flows to suit your diluting application. Critical Orifice styles for use with your in-situ and out-of-stack diluting sample probes, inertial filter diluting probes, laboratory diluters and more.

Standard Materials include Glass, Quartz and Monel®. Standard Max. Temperatures up to 750°F (400°C), High Temperature Critical Orifices (Sonic Orifices) are available for your applications up to 1000°F (540°C).

For our OEM Customers, we offer custom designed critical orifices to meet your specific needs.

ASI is a proven leader for Quality Parts and Best Selection of critical orifice flows and materials you will find for your dilution systems.


- Critical Orifices List of old EPM Environmental Part Numbers -

OLD EPM#
FLOW RATE
MATERIAL
GENERAL APPLICATION
TYPICAL PROBE SERIES
2126.041
100 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.042
150 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.043
200 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.044
100 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.045
150 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.046
200 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.047
50 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.048
250 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.049
500 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.050
50 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.051
250 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.052
500 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.057
100 ML/MIN
QUARTZ
HIGH TEMP. IN-SITU DIL. PROBE
797.305 - 797.306
2126.058
150 ML/MIN
QUARTZ
HIGH TEMP. IN-SITU DIL. PROBE
797.305 - 797.306
2126.059
200 ML/MIN
QUARTZ
HIGH TEMP. IN-SITU DIL. PROBE
797.305 - 797.306
2126.060
250 ML/MIN
QUARTZ
HIGH TEMP. IN-SITU DIL. PROBE
797.305 - 797.306
2126.061
500 ML/MIN
QUARTZ
HIGH TEMP. IN-SITU DIL. PROBE
797.305 - 797.306
2126.062
25 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.063
30 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.064
20 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.065
20 ML/MIN
GLASS
DILUTER UNIT (DILUTION MODULE)
797.311
2126.066
40 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.067
125 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.068
55 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.072
75 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2126.073
55 ML/MIN
GLASS
STD. IN-SITU/OOS DIL. PROBE
797.302/.303 & 797.380
2127.020
20 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.025
25 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.030
30 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.040
40 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.050
50 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.100
100 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.150
150 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.200
200 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380
2127.250
250 ML/MIN
MONEL-400
STD. OR HIGH T. IN-SITU/OOS PRB.
797.302/.303/.305/.306/.380

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Alpha Suite Inc.  2018