What is the hydrostatic test pressure for the cylinder body?

3.5 MPa or 35 kgf/cm² (Clause 9.5.1).

What class of fire is this extinguisher used for?

It is intended for use on Class A fires (Clause 11.2.1).

IS 6234

: 2003

Portable Fire Extinguishers Water Type (Stored Pressure) -Specification

CurrentFrequently UsedSpecificationBIMFire Safety · Fire Fighting

This Indian Standard specifies the requirements for material, design, construction, performance, and testing of portable, 9-litre water-type fire extinguishers of the stored pressure type. It ensures these essential safety devices are reliable and effective for combating Class A fires involving solid combustible materials.

Portable Fire Extinguishers Water Type (Stored Pressure) -Specification

Quick Reference Values

Standard Capacity9 litres

Minimum Effective Discharge Time60 seconds

Minimum Throw (Jet Length)6 metres

Minimum Discharge Percentage95%

Hydrostatic Test Pressure3.5 MPa (35 kgf/cm²)

Body Material Thickness (Mild Steel)1.60 mm

Practical Notes

These extinguishers are only suitable for Class A fires (wood, paper, textiles) and are dangerous to use on electrical, oil, or gas fires.

The pressure gauge must be checked regularly to ensure it is in the green operable zone.

Annual maintenance and periodic hydrostatic testing as per IS 2190 are mandatory to ensure the extinguisher's integrity and performance.