Fire Extinguisher 5-Year Hydrostatic Test Record

Important: Hydrostatic testing must be performed by a licensed fire protection technician with calibrated test equipment. Extinguishers that fail the hydrostatic test must be condemned and destroyed. Do not return a failed extinguisher to service.

Equipment and Test Details

Extinguisher ID / Asset No.

Location

Type (DCP/CO2/Foam/Water/Wet Chem)

Size / Capacity

Manufacturer

Serial Number

Date of Manufacture

Test Date

Technician Name

Licence Number

#	Inspection Item	Method
1. Pre-Test Condition Assessment
1	Cylinder external condition (corrosion, dents, damage)	INSPECT
2	Pressure gauge reading	INSPECT
3	Safety pin and tamper seal	INSPECT
4	Hose and nozzle condition	INSPECT
5	Label legibility	INSPECT
6	Mounting bracket condition	INSPECT
2. Depressurisation and Discharge
7	Depressurise cylinder safely	DISCHARGE
8	Discharge all contents	DISCHARGE
9	Remove valve assembly	DISCHARGE
10	Weigh empty cylinder and record	MEASURE
3. Internal Inspection
11	Internal cylinder walls (corrosion, pitting, scoring)	INSPECT
12	Valve thread condition	INSPECT
13	Siphon tube condition (if fitted)	INSPECT
14	Dip tube condition	INSPECT
15	Internal coating/lining (if applicable)	INSPECT
4. Hydrostatic Pressure Test
16	Fill cylinder with water	TEST
17	Pressurise to test pressure	TEST
18	Hold for 60 seconds minimum	TEST
19	Measure elastic expansion	MEASURE
20	Measure permanent expansion	MEASURE
21	Permanent expansion must not exceed 10% of elastic expansion - PASS/FAIL	MEASURE
5. Post-Test and Recharge
22	Drain and dry cylinder thoroughly	RECHARGE
23	Reassemble valve	RECHARGE
24	Recharge with correct agent and pressure	RECHARGE
25	Verify pressure gauge in green zone	VERIFY
26	Re-stamp cylinder with test date	RECORD
6. Certification
27	Attach new service tag	VERIFY
28	Update fire safety register	RECORD
29	Condemn and destroy if failed	DISCHARGE
30	Issue test certificate	RECORD

Inspection Item

Method

P / F

Notes / Measurements

1. Pre-Test Condition Assessment

Cylinder external condition (corrosion, dents, damage)

INSPECT

Pressure gauge reading

INSPECT

Safety pin and tamper seal

INSPECT

Hose and nozzle condition

INSPECT

Label legibility

INSPECT

Mounting bracket condition

INSPECT

2. Depressurisation and Discharge

Depressurise cylinder safely

DISCHARGE

Discharge all contents

DISCHARGE

Remove valve assembly

DISCHARGE

Weigh empty cylinder and record

MEASURE

3. Internal Inspection

Internal cylinder walls (corrosion, pitting, scoring)

INSPECT

Valve thread condition

INSPECT

Siphon tube condition (if fitted)

INSPECT

Dip tube condition

INSPECT

Internal coating/lining (if applicable)

INSPECT

4. Hydrostatic Pressure Test

Fill cylinder with water

TEST

Pressurise to test pressure

TEST

Hold for 60 seconds minimum

TEST

Measure elastic expansion

MEASURE

Measure permanent expansion

MEASURE

Permanent expansion must not exceed 10% of elastic expansion - PASS/FAIL

MEASURE

5. Post-Test and Recharge

Drain and dry cylinder thoroughly

RECHARGE

Reassemble valve

RECHARGE

Recharge with correct agent and pressure

RECHARGE

Verify pressure gauge in green zone

VERIFY

Re-stamp cylinder with test date

RECORD

6. Certification

Attach new service tag

VERIFY

Update fire safety register

RECORD

Condemn and destroy if failed

DISCHARGE

Issue test certificate

RECORD

Hydrostatic Test Results

Test Pressure (kPa)

Elastic Expansion (mL)

Permanent Expansion (mL)

Permanent as % of Elastic

Result

Test Equipment Cert. No.

Testing Technician

Name

Licence No.

Signature

Date

Site Fire Warden / Manager

Name

Organisation

Signature

Date