Incoming vessel inspection
Wall thickness, neck thread, valve seat and internal dryness, per vessel batch.
Quality and compliance
Six checks between the fill and the container seal, and the documents shipped with every order.
Control points
Six checks before shipment
Fill pressure and net weight
Recorded per cylinder. Helium fills more than 5% below target are rejected.
Valve tightness
Every valved cylinder leak-tested after filling. Leaking valves are replaced.
Protection and packing
Valve caps or guards fitted, cylinders palletised or stillaged, cartons counted.
Segregated storage
Flammable and oxidising stock kept apart, with ventilation and ignition control.
Documents checked before sealing
Declaration, packing list and invoice matched to the consignment.
Documentation
Documents shipped with every order
Safety data sheet
One per gas and grade, in the destination's language.
Certificate of conformance
Grade and purity against the agreed specification, with batch reference.
Packing list
Cylinder serials, net weights and carton counts.
Commercial invoice
One invoice for gas, cylinders and hardware on consolidated orders.
Dangerous-goods declaration
UN number, class, packing group and proper shipping name.
UN numbers
UN 1046 compressed helium; UN 1011 butane in cylinders; UN 2037 gas cartridges; UN 1070 nitrous oxide. Each format's entry is on its safety data sheet.
Standards
Standards and certificates
- Vessels: DOT or TPED requirements, as the destination requires
- Management systems: ISO, where the supplier holds it
- Transport: IMDG, ADR and IATA dangerous-goods rules
- Certificates issued per shipment and vessel batch
Certificates and test reports are sent with the quotation on request.
Compliance enquiries
Ask which documents your market needs.
Send the destination country and format.