Johnson Matthey Gas Purification Technology (GPT) Purifier Support
Johnson Matthey (JM) GPT announced the closure of their gas purification business in March 2013. Effective August 7, 2013, SAES Pure Gas has acquired the assets related to JM GPT's gas purification equipment business. Johnson Matthey GPT purifiers are not available, and no longer manufactured. If you have any questions please contact us.
HP Series with V-Purge Hydrogen Purifiers for 1 - 220 slpm
The Johnson Matthey HP Series hydrogen purifier includes the palladium cell (Pd cell), temperature controller, bleed gas flowmeter and manual outlet valve.
SAES Pure Gas does not provide repair of Johnson Matthey purifiers. Purifiers can be returned for scrap credit toward the purchase of a new purifier. SAES can provide a similar purifier as a complete replacement. Refer to chart below for a list of suggested purifiers.
Johnson Matthey GPT to SAES Cross Reference Table
| Johnson Matthey HP Series Palladium Purifier | Equivalent SAES Pure Gas Palladium Purifier | ||
| Model Number | Max Flow1 (slpm) | Model Number | Max Flow2 (slpm) |
| HP-2-VCR | 1 | PS7-PD05-08 | 7.5 |
| HP-10-VCR | 5 | PS7-PD05-08 | 7.5 |
| HP-25-VCR | 12 | PS7-PD05-21 | 16.6 |
| HP-50-VCR | 24 | PS7-PD05-50 | 40.6 |
| HP-100-VCR | 47 | PS7-PD1-05 | 60 |
| HP-150-VCR | 71 | PS7-PD1-06 | 70 |
| HP-200-VPurge | 94 | PS7-PD1-08 | 95 |
| HP-230-VPurge | 105 | PS7-PD1-10 | 120 |
| HP-400-VPurge | 188 | PS7-PD1-15 | 185 |
| HP-480-VPurge | 220 | PS7-PD1-20 | 240 |
2200 psig inlet pressure and 20 psig outlet pressure
HP Series Palladium Cells in MOCVD Reactors
Johnson Matthey palladium alloy diffusion cells are installed in MOCVD tools. These Pd cells include heaters and thermocouples, and the control system is mounted separately.
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| HP-100C Palladium Cell used in Thomas Swan/Aixtron MOCVD reactor or HP-100 Purifier | HP-200, HP-230, HP-400 or HP-480 Palladium Cell used in Aixtron or Emcore/Veeco MOCVD reactor |
Frequently Asked Questions Regarding Support for Johnson Matthey Gas Purification Technology (GPT) Gas Purifiers
HP Series and HP Series V-Purge Palladium Hydrogen Purifiers
Can I return my palladium cell for repair?
No. Johnson Matthey palladium cells are not accepted for repair, only for scrap credit.
Can I purchase a new Johnson Matthey palladium cell?
SAES can offer our own palladium hydrogen purifiers, the Johnson Matthey design is no longer manufactured.
Can I return my old Pd cell for palladium scrap credit?
Yes, the cell can be returned for credit against the purchase of new purifiers.
Bulk Gas Purifiers – PSH, GPT, and HTG Series
Do you supply the replacement palladium probe assemblies?
No, the probe assemblies are not available any longer.
How do I purchase parts if my purifier is out-of-warranty?
Spare parts are not available.
Who do I contact for preventative maintenance or other service on my palladium purifier?
On-site maintenance is not available. You may contact us to discuss a maintenance issue via phone or email.
PureGuard Catalytic and Heated Getter Purifiers - IG-XL Series and Wall Mount Heated Getter Gas Purifiers
Can I send my IG-XL Series purifier to SAES for regeneration?
We are offering an exchange program to replace purifiers such as the IG-35XL, IG-500XL and IG-2500XL PureGuard factory regenerable purifiers with our equivalent model. Please contact our service department or your local distributor for information on the return process.
How do I purchase a new IG-XL Series purifier?
The IG-XL Series purifiers are no longer available, but SAES offers equivalent purifiers, many with the same dimensions for drop-in replacement.
Can I purchase PureGuard Wall Mount purifiers and replacement columns?
The JM GPT Wall Mount getter purifiers and replacement getter cartridges are no longer available. SAES can offer comparable heated getter models, which do not drop into the same piping locations. The SAES Pure Gas version will have very similar flow rate performance and identical impurity removal performance.
