Pressure vessels for air, oxygen and nitrogen We are looking for a supplier of pressure vessels (11 bar) for air, oxygen and nitrogen. We have aprox. 20 different models in the range 10 - 1500 liter. Annual comsumption is approx. 1000 vessels. Normally they are painted (M0) but sometimes marine paint or galvanized is needed. PED is standard for all vessels and sometimes extra certificates are requested. We have production faciltities in Denmark and Slovakia.