Cellular Gas Filters for Hydrogen application!

In recent years, we confirm that we have supplied our ZFG/ZEFG Cellular Gas Filters from the spherocasting material several times for hydrogen applications. As today, we have not received any negative feedback on these projects.

The functional suitability for use with hydrogen has so far been confirmed by our customers.

The hydrogen content in natural gas is currently limited to < 10% (DVGW worksheet G 260:2013/G 262:2011 ), further requirements of the DVGW regulations on special required additional tests for the use of hydrogen are not available to us at this time.

At an independent institute, we have tested our Cellular Gas Filters of the types ZFG/ZEFG (spherocasting) and VZF/VZEF (aluminum casting) were subjected to a hydrogen emission test based on DIN EN ISO 15848.

The requirements of DIN EN ISO 15848 (max. 50 ppmV leakage) were met and even significantly exceeded.

Based on several years of experience of the use of our Cellular Gas Filters type ZFG/ZEFG for hydrogen as well as the successful emission test of all types, we evaluate our type-tested Cellular Gas Filters type ZFG/ZEFG and type VZF/VZEF as suitable for use in hydrogen plants.

On customer’s request, we are happy to carry out an additional leak test with helium.

We would like to point out that the suitability of the application for operation with natural gas-hydrogen mixtures with a hydrogen content of >10 vol-% up to 100% has to be determined by a risk assessment of the application operator before commissioning.


Power-To-Gas: H2-BHKW Haßfurt

IndustryProject / LocationCountryCustomerYear
PtG PowerToGas:

2G/Stw. Haßfurt: Haßfurt

GermanyJosef Pfaffinger2019

Cellullar Gas Filter for pressure regulation system in a power-to-gas plant in Haßfurt (Germany) for the extension of a hydrogen combined heat and power plant.
In this application, (100% H2) “hydrogen regenerated from wind power” is used for reconversion in a H2-CHP plant.
The plant will be successfully commissioned in June 2019.

read more …

2160914 GDRM Drohne Nowal (GER)

IndustrieProject / LocationCountryCustomerYear

GDRM Drohne Nowal (GER)


Gascade Gastransport Gmbh in Kassel is constructing a connecting line NOWAL to enable gas supplies in North-West Germany with H-gas, as well as to supply new gas power plants. Within this framework, a measuring system is being built between the networks of the Gascade and the OGE in Drohne, the station of Drohne Nowal. In the spring of 2017, Thielmann Energietechnik supplies 4 dust-liquid separators. read more …

2160076 PRS Schwandorf & Arresting

IndustrieProject / LocationCountryCustomerYear

GDRA Schwandorf und Arresting

GermanyOGE Open Grid Europe2016

In the course of the network development plan (NEP), the nationwide expansion of the gas network, the existing GDRA Schwandorf-Neukirchen is optimally optimized for transport and a new GDRA arresting facility is being built. read more …
2160076 GDRA Schwandorf und Arresting

183550 PRMS Malsfeld – Ostheim (GER)

IndustrieProject / LocationCountryCustomerYear

Malsfeld - Ostheim (GER)

GermanyE.on Mitte2014

The gas pressure control and measuring system is used to relieve the gas to a lower pressure level. Our filters and separators protect the sensitive measuring and control components from the finest dirt and liquid particles. read more …
GDRM Drohne Nowal (GER)