Coltri MCH22, MCH30, MCH36, MCH45, and MCH20-MCH24 CNG compressor first stage head. Described by Coltri as "1st stage head" [Testata 1°stadio]". For additional information, see page 8 of MCH22-MCH45 Parts List or page 10 MCH20-MCH24 CNG Parts List; both located under the User Manuals tab.
Nuvair is an Authorized Coltri Distributor
Nuvair sells only genuine parts and equipment manufactured by Coltri Compressors. Do not be fooled by cheap aftermarket copies of original Coltri equipment. Items labeled “replacement,” “OEM equivalent,” “compatible,” or “alternative” are not manufactured by Aerotenica Coltri S.p.a.
Some Coltri parts are not available for purchase online. To ensure this genuine Coltri part fits your compressor model/version, please contact the Nuvair sales team for ordering assistance.