News
Steel, welding, pressure testing, powder coating, valves, inspection and traceability — technical knowledge about LPG cylinders.
A guide to reading the lines stamped on the carry handle of a gas cylinder: owner, manufacturing standard, manufacturer, month and year of manufacture, tare weight, working pressure, serial number and what to do when the text is faded.
Read articleA gas cylinder manifold connects several 45kg cylinders to a common header to supply gas continuously to large kitchens and workshops. Its main parts, why it is needed, how to work out the number of cylinders and safe operation.
Read articleGas cylinders in circulation must be re-inspected when they fall due. Who may carry this out, the technical basis, the usual inspection steps and how dealers should plan for it.
Read articleLPG cylinders have no fixed service life: a cylinder stays in use while it continues to pass periodic inspection. The factors that shorten and extend cylinder life, and how dealers can plan cylinder replacement.
Read articleLPG cylinder welding covers the longitudinal body seam, circumferential seams and the neck weld. Learn about automatic welding, common weld defects and inspection by ultrasonic testing, X-ray and pressure testing.
Read articleLPG cylinder steel must withstand pressure, weld well, be ductile enough for deep drawing and tough against impacts. Learn how to check CO/CQ, thickness, mechanical properties, chemical composition and the risks of poor steel.
Read articleLPG cylinder traceability relies on the serial number and batch code stamped on the cylinder, the seal and the QR code. The benefits for dealers and users, and how to check a gas cylinder yourself before accepting it.
Read articleA comparison of POL and QCC valves on LPG cylinders: connection type, how the regulator is fitted, safety features, the markets that use them and how to choose the right valve when ordering cylinders in batches.
Read articleThe process for filling LPG into cylinders at a filling plant: receiving and sorting cylinders, checking inspection dates, filling by weight, leak testing, sealing and dispatch.
Read articleThe LPG cylinder powder coating process from surface cleaning, powder spraying and curing to coating inspection; why powder coating outlasts wet paint and how to choose colours and logo printing for your own brand.
Read articleLPG cylinder pressure testing covers hydrostatic and leak tests: their purpose, how they are done at the factory, the defects they reveal and their role in inspection records.
Read articleSeven checks for dealers and users to spot a compliant LPG cylinder: stamped data, welds, body, paint, valve, tare weight and the records that come with it.
Read articleThe documents that come with a new batch of LPG cylinders, the data stamped on the carry handle (shroud), what to check on delivery and how to file records for the authorities.
Read articleNo matching articles. Try another keyword or call our hotline for advice. 1900 4656
Send us the capacity, quantity and brand printing requirements — VietnhatGas will reply with a batch quotation.
