Coltri MCH30, MCH36, MCH45, and MCH20-MCH24 CNG second and third stage discharge (exhaust) valve bell. Described by Coltri as "2ND/3RD STAGE DISCHARGE VALVE BELL [CAMPANA VALVOLA SCARICO 2°/3°STADIO]". For additional information on this kit, see page 10 of MCH22-MCH45 Parts List or page 12 of MCH20-MCH24 CNG Parts List; all located under the User Manuals tab.
Nuvair offers authentic parts and equipment manufactured by Coltri Compressors. Beware of inexpensive aftermarket imitations labeled as "replacement," "OEM equivalent," "compatible," or "alternative," as they are not made by Aerotenica Coltri S.p.a. Due to size, weight, or specific requirements, some Coltri products may not be available for online purchase, and others may have extended lead times. To confirm compatibility with your existing equipment or to ensure the product meets your needs, please contact the Nuvair Sales Team for ordering assistance by email or phone.