Quality Instruments, Spare Parts, Service & Support from your Diluting Sampler Specialists at ASI.

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

Fast and Consistent Turnaround Times for your Serviced Equipment. BMP: Basic Monitoring Probe.


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Sample Diluting Instruments
    In-Situ Dilution Probes
    Diluting Modules
    OEM Diluters

Critical Orifices
Pyrex® Glass Critical Orifices
    Monel® Critical Orifices
    Quartz Critical Orifices
    OEM Production

Dilution Instrument Services
    In-Situ Dilution Probe Services
    Out-Of-Stack Probe Services
    Critical Orifice Services

In-Situ Dilution Probe Heaters
Complete Heater Assemblies
Stack-Tester Version
C22 Alloy & Halar Series

Extension Pipe Assemblies
    In-situ Probe Extensions
    Custom Weldments

Spare Parts and Consumables
    In-Situ Dilution Probe Parts
    OOS Diluting Sampler Parts
    Obsolete Probe Heater Parts
    Custom Manufactured Parts

Did you know we also offer Full Service for your EPM Out-of-Stack (OOS) diluting sampler?

has the service knowledge of this system that remains unmatched. We have been involved with the service and rebuilds for numerous OOS systems over the years. Despite the fact that many of these systems are racking up the miles, we are doing our part to ensure that these instruments are running better than ever!

Full Service & Rebuilds

Pressure & Temperature Modifications

Several Upgrades Available

Many Spare Parts Available

- Services EPM OOS Diluting Sampler Full Service -

Full-Service for the EPM Out-of-Stack Diluting System/Probe

The following details what we currently offer with our Full Service, for your EPM Model 797.380 Series Out-of-Stack Diluting Sampler:

Replacement of Kalrez® O-ring and All Gaskets, including the following:

Description ASI P/N
Kalrez® O-ring 3/4" x 15/16" x 3/32" CS GS-K116
By-pass Pump Gasket: OD 25 x ID 10mm (when applicable) E-OS-RPLC-024
Gasket: OD 51 x ID 41 x 0.5mm (rectangular) E-OS-RPLC-023
Flange Gasket: OD 149 x ID 93 x 2mm (for custom 2"150#) E-OS-RPLC-022
Flange Nut Gasket: OD 38 x ID 27 x 2mm E-OS-RPLC-025
Coarse Filter Gasket: OD 65 x ID 29 x 2mm E-OS-RPLC-021
Graphite Ferrule: (at critical orifice connection) GS-GFER.25
60m in-line Filter Cartridge (for dilution air line) 5000.183
Chassis & Top Cover Insulation Upgrade (please call)

Complete inspection and testing of entire Out-of-Stack Dilution Probe including the following:

Coarse Filter Assembly (inspected)
Compression Ring (inspected)
Electrical Connections and Enclosure (inspected)
Thermocouple (inspected and tested)
Heaters (inspected and tested)
Dilution Probe (inspected, tested, performance certificate provided)
Cal-line Check Valve (inspected and tested)
Bypass Pump (inspected, tested, performance certificate provided)
Critical Orifice (inspected and tested, replacement of fine quartz filter)
Inner Flange Assembly (inspected, all welds inclusive)
Solder Joints on Tubing (inspected)

Service will include thorough cleaning of all parts.
Leak-tight testing of all dilution probe and system lines.
Anti-seize applied to all screws, bolts and threads of knurled nut.
Customer will be notified and quoted on any additional parts that need to be replaced.
A Performance Certificate for both the Dilution Probe and the Bypass Pump will be sent to the customer with their reconditioned equipment, providing them with critical performance data.

Note: End users of the "-S" Series Out-of-Stack Diluting Samplers (uses stainless steel ferrules seal at diluter tip instead of Kalrez® O-ring) are encouraged to upgrade their sampler to allow for usage of a 3/4" ID graphite ferrule seal. Click Here for more information on this upgrade service.

This service is recommended annually, or during customers scheduled maintenance shutdown to keep your sample system downtime to a minimum. Need service for the diluting aspirator only? No problem, we offer services for any single component when "Full Service" is not required.

For Replacement parts specific to the EPM Out-of-Stack Diluting Sampler, Click Here.

Get a Service Quote...

Click Here to view or download full details in printer friendly PDF format.




Alpha Suite Inc.  2017