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How Long Do Gas Bottles Last?

August 17, 2025 — Decades — if inspected and maintained. Here's lifespan, stamps, checks and when to re-certify.

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A steel LP Gas cylinder is built for the long haul: 30–40 years with proper maintenance and periodic inspection. What matters is not age alone, but condition, certification and fittings.

SABS inspection every 10 years

South African cylinders must be formally inspected and re-certified roughly every 10 years. Qualified testers check wall integrity, valves and welds, including a hydrostatic pressure test, then stamp a new re-certification date on the bottle.

What to check on your bottle

  • Corrosion & rust — especially the base ring and welds.
  • Dents & damage — deep dents or fire damage mean retirement.
  • Valves & threads — must turn smoothly and seal fully.
  • Hydrostatic due date — never fill an out-of-date cylinder.

Reading the stamps

Look at the collar or shoulder stamping for: manufacturer mark, serial number, manufacturing date, and re-certification date. If you can't read them or the test date has passed, swap the bottle out — Shevic handles re-certification through proper channels.

Regulators & hoses matter too

  • Use SABS-approved regulators and hoses, correctly rated for your appliance.
  • Replace orange hoses roughly every 5 years (sooner if cracked or stiff) — check the printed expiry.
  • Fixed installations need professional installers and a Certificate of Conformity (COC).

FAQ

My gas runs out suspiciously fast — leak?
Do the soap test: brush soapy water over valve, regulator and hose joints with gas on. Bubbles mean a leak — close the valve and call a professional.

How do I check the level?
Pour warm water down the side and feel for the cold line — gas level stays cool. Or weigh the bottle against its tare stamp.

Can I store gas indoors?
Keep cylinders upright, ventilated, away from heat and ignition. Large bottles belong outdoors in a ventilated cage; indoor rules are strict — ask your installer.

What if I smell gas?
No flames or switches. Close the valve if safe, ventilate, evacuate and call for help. See our Pretoria Guide to Gas Safety.

Questions? Call 084 691 6538 or 063 928 4877 — we're happy to check your setup on delivery.

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