INTERSPIRO Divator Lite Manuel utilisateur

USER MANUAL

DIVATOR LITE CYLINDERS

1 SAFETY NOTICE

These instructions contain user level instructions for handling Divator Lite composite cylinders. It is

important to understand that charging cylinders and periodic inspections is governed by country

speciﬁc regulations; these instructions do not contain information available in the country speciﬁc

regulations.

The document contains images of cylinder damages in order to allow the diver to do a quick

assessment whether a cylinder can be used or not. Assessment of different level of damages is

included for orientation purposes only.

WARNING! DO NOT ATTEMPT TO ASSESS DAMAGES BEYOND SMALL SCRATCHES. IF YOU ARE

UNCERTAIN OF HOW THE DAMAGE OCCURRED AN ANALYSIS OF STRUCTURAL DAMAGES MUST

BE UNDERTAKEN BY AUTHORIZED SERVICE CENTRE BEFORE CONTINUED USE. FAILURE TO COMPLY

MAY RESULT IN INJURIES OR DEATH.

2 TECHNICAL DESCRIPTION

The Divator Lite cylinders are manufactured with full composite materials. A carbon ﬁbre ﬁlament

and an outer wrap of glass ﬁbres covers a thermoplastic liner. An epoxy resin reinforces the

carbon and glass ﬁbres. The end ﬁttings are made of acid-proof stainless steel.

The working pressure is 300 bar with a test pressure of 450 bar. The minimum burst pressure of

the Divator Lite cylinders is 900 bar. The cylinders have a Non-Limited Life (NLL) approval.

The cylinder valve has a burst disc to avoid overpressure. The burst disc is designed to open if the

pressure exceeds 450 bar. If the burst disc is released it cannot be reused, it must be replaced at

a service centre.

3 CHARGING OF CYLINDERS

The breathing air used to charge the cylinders must be free from oil, toxic substances and have

an approved level of humidity. After charging the cylinder should be equipped with a protective

plug.

ATTENTION! THE BREATHING AIR MUST MEET THE REQUIREMENTS OF EN 12021.

Trained service staff members charge the cylinders in accordance with country speciﬁc regulations.

Detailed instructions are not covered by this document.

crackling sound

The Divator Lite cylinder is a full composite cylinder containing many layers of glass and carbon

ﬁbres. These materials are expandable, when the cylinder is pressurized the layers move resulting

in a audible crackling sound. This is perfectly normal and no action is required.

micro scratches

The expansion of the pressurized vessel and the movement of ﬁbres may cause micro scratches

on the surface of the cylinder. These scratches can be seen if you carefully examine the cylinder

surface. The scratches do not go deeper than the epoxy surface protecting the ﬁbres. Like the

crackling sound this is the materials normal behaviour and no action is required.

humidity drain plug

The cylinder may experience a gradual accumulation of humidity, even if the compressed air

meets the approved quality. A humidity drain plug is available for solving this problem.

4 INSPECTION OF CYLINDER VALVE

Before use carefully inspect the cylinder valve for damages. Check the body of the cylinder valve

and the outlet. If you see damages, or suspect that there is something wrong, return cylinder and

cylinder valve for inspection at service centre.

5 INSPECTION OF TEST DATE

The test date is stated on the cylinder label. The test date discloses the latest date for periodic

inspection. Periodic inspection is carried out according to country speciﬁc regulations. If the test

date is older than the country speciﬁc requirement, return the cylinder to a service centre.

6 ASSESSMENT OF CYLINDER DAMAGES

We strongly emphasise the importance that only trained service personnel do the assessment of

cylinder damages. In this section we brieﬂy describe different types of damages in order to allow

the diver to do a quick check whether a cylinder is safe for continued use.

WARNING! IF THERE IS ANY UNCERTAINTY OF THE TYPE OF DAMAGE THAT HAS OCCURRED

RETURN THE CYLINDER TO A SERVICE CENTRE FOR INSPECTION.

When assessing damages you must apply a safety margin. If you have any doubts about the

cylinder performance consider the cylinder not approved for continued use.

preparations

Before inspection carefully wash the cylinder. Undertake examination assisted by a strong lamp.

damage types and damage levels

We will describe three levels of damages; level one is the only level of damage that is approved

for continued use. The diver should use level 2 and 3 only as a reference for what is not allowed

for continued use. A colour image matrix of damage types and damage levels is included on the

next spread. As a general guideline damages in the epoxy layer – not extending into the ﬁbres

– is approved for continued use.

ATTENTION! NEVER ATTEMPT TO REPAIR CYLINDERS, ALWAYS RETURN TO SERVICE CENTRE.

Cut/slash damage

Level 1 A cut that is not deep enough to damage a group of ﬁbres is acceptable.

Level 2&3If the damages cuts across ﬁbres, or if the cut is longer than 20 mm and deeper

than 0.3 mm along the ﬁbres, the cylinder must be returned for assessment.

Wear/scratch damage

Level 1 Minor rub marks are acceptable if they only made the surface matte and if they are

not deep enough to damage a group of ﬁbres. If the scratched surface has reached

down to the ﬁbres the cylinder must be returned for repairs.

Level 2&3The damage is extending into the ﬁbre layers (a guideline to determine this is if

there is a boundary area between the centre and the edge of the torn area).

Impact marks

Level 1 Impact marks causing cracks in the epoxy not exposing ﬁbres. If you suspect that

the impacting object has hit the cylinder with high velocity it should be considered

to be a level 2 damage regardless of the cylinders visual appearance.

Level 2&3The damage is extending into the ﬁbre layers or a hit by a blunt object/high

impact. Damages with circle segments extended from the point of impact.

Burn/ﬁre damage

Level 1 A charred surface not extending into the ﬁbre layer. Carefully scratch away the

charred material to determine the depth of burn mark.

Level 2&3The charred surface extend into the ﬁbre layer.

Multiple damages

Level 2 If there are multiple level 1 damages return the cylinder for inspection.

CUTS/SLASH WEAR/SCRATCHES

LEVEL 1

Acceptable

No measurable effect on

cylinder performance,

approved for use.

LEVEL 2

Inspection

Must be examined by

an authorised inspector

before continued use.

LEVEL 3

Rejection

The cylinder do not meet

safety requirements and

will be rendered unusable.

BURN/FIREIMPACT MARKS

CYLINDRICAL PART

IMPACT MARKS

SPHERICAL PART

Publ No 98605A01

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