Protective gas atmosphere is alsoknown as nitrogen and hydrogen gas protective atmosphere 

system, consisting of thehydrogen generator, nitrogen generator and hydrogen/hydrogen mixture 

unit. High purity N2ａnd purified ammonia cracking gas will flow into the mixed gas tank through 

adjustablevalves and rated flowmeter, becoming the protective gas atmospherethat the 

production lined needed. And the gas ratio can be modified accordingto the different requirement 

of the production needs, which is agood OSP gases for manufacturing.

Widely used for cold-rolled strip annealing, bright annealing, hot dip galvanized, silicon steel 

annealing, steel strip annealing and other industries.