Sigma Cylinders

Our Products

From portable, small cylinders to large household or commercial units, the Sigma Cylinders product line is extensive and highly adaptable to client requirements and requisite standards and norms. Based on the client’s preferences, the type of handle, foot, valve, final coat colour, and silk printing can be customised. Requiring less steel, less heating, and less crude, the low-weight products fall within the framework of Sigma Cylinders' commitment to environmental action. Offering a range of LPG cylinders from 3 KG to 50 KG, depending on client requirements.
Filter

20kg

Water Capacity
41- 45L
Diameter mm
300mm
Height mm
709mm
Butane kg
20kg
Propane kg
16.8kg
Test Pressure bar
30
View specification sheet →

35kg

Water Capacity
75- 83L
Diameter mm
300 to 374mm
Height mm
881 to 1,132mm
Butane kg
20kg
Propane kg
29 to 30kg
Test Pressure bar
30
View specification sheet →

50kg

Water Capacity
110 - 118L
Diameter mm
374mm
Height mm
1,405mm
Butane kg
47kg
Propane kg
39kg
Test Pressure bar
30
View specification sheet →

Which cylinder fits your application

The right cylinder depends on how it will be filled, carried and stored. These are the four patterns we build for most often — if your application sits between them, our technical team will size it with you.

Domestic cooking

Household cylinders in the 3–15 kg range, sized for single-family cooking and designed to be carried by one person. Valve choice and collar design follow the refill infrastructure in each market, which is why our Ghana and Côte d'Ivoire specifications differ.

Commercial & hospitality

Larger cylinders for restaurants, bakeries and hotels running continuous burners. These prioritise refill cycle life and fast valve changeover, since downtime costs the operator directly.

Industrial & bulk

High-capacity cylinders for process heat, forklift fuel and industrial burners. Specified against higher test pressures and inspected to the standards your sector's auditors expect.

Camping & portable

Compact, lightweight cylinders for leisure and portable appliances, where handling weight and puncture resistance matter more than capacity.

Built and tested to recognised standards

Every cylinder leaving our lines is tested before dispatch. These are the standards buyers ask about most often — our Quality page documents the lab procedures behind each one.

  • ISO 4706 — welded steel LPG cylinders: design, construction and testing requirements.
  • DOT / EN specifications for cylinders destined for North American and European markets.
  • Hydrostatic and pneumatic pressure testing on every production batch.
  • Weld integrity inspection and radiographic checks on representative samples.
See how we test →

Need full specifications?

Our product catalogue carries the complete dimensional and pressure data for every model. For a specification sheet tied to your order, request a quote and we will attach it to the quotation.

Request a quote

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