Before buying a rechargeable technical gas cylinder it is important to keep in mind some things that can have important relapses both from the point of view of the security and economic management.
First we keep in mind that we are talking about a container under pressure loaded at 200 bar, some at 300 bar, therefore they are subject to approvals to regulatory strings and tests.
All cylinders must be marked mandatory (ADR 2011) with the following indications:
- Cylinder thread
- manufacturer's brand and manufacturing status
- Series of the cylinder
- Compatibility with H2 (hydrogen)
- Operating pressure (only for compressed gases)
- hydraulic test pressure
- empty mass
- capacity
- Minimum thickness of the walls
- marking π and number of organism
- Construction standard
- Brand Organism Care and Country Country
- Date of initial control (AAAA / mm)
- Brand and country of the organism that performs periodic checks
- Revision date
- maximum permissible filling and tare container (liquefied gas)
- UN number and gas designation or gas mixture
The components of the cylinder:
- Cappellotto
- residual pressure valve
- barcode
- Compulsory punching (see above)
- coloring of the oguation (according to the current legislation) and stamping (see above)
- cylinder body
- Cylinder body coloring (distinction between gas use, food, technical)
The cylinder must be accompanied by aCertificate of approval
When in possession of the owner, the cylinder must report the following characteristics in a European language (EU) and in Italian:
-
- Weight
- Manufacturer
- Owner (if rental)
- Diameter
- length
- Wall thickness
- Vacuum tare
- Construction regulations
- Expiration of the testing
- capacity
- loaded (and test) pressure
- Reference design
matricole
The following wordings / pictograms must be affixed to the cylinder label:
- trade name of the product
- name, address and telephone number of the marketing owner (manufacturer or distributor)
- Pictograms
- Risk phrases
- Precautionary tips
- CE number, UN number and ADR designation
We at the technist are agents with storage of Siad S.P.a. Since 1985. We provide hire cylinders and for sale and we also charge private cylinders not purchased by us. In short, something cylinders and gas after all these years we have learned it, and we will be happy to disclose our knowledge, so for any questions do not hesitate to contact us
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Sometimes we have to refuse the top-up operation mainly for the following reasons:
- lack of the residual valve
- Certificate in Chinese language
- Incomplete stampings
- Testing expired cylinders
- Absence of the certificate
We remind you that cylinders are potentially dangerous if they do not comply with the requirements imposed by current regulations, so we advise you to make sure very well before making the purchase or contact a on-site distributor that guarantees compliance and subsequent charging operations.