Faber 71 Cubic Foot Mid Pressure Steel Tank M71DVB 043109

Mfg Part #: M71DVB

Faber 71 Cubic Foot Mid Pressure Steel Tank


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Questions and Answers for Faber 71 Cubic Foot Mid Pressure Steel Tank:

  • Scott:

    Faber 71.. Is this tank filled to 71 cu.ft. @ 3000psi or 3300psi. Thx. Scott

    Aaron  (Certified Scuba Instructor at Scuba.com):

    Hi Scott, 71cu. ft @ 3300psi.

  • Kent:

    I would like to purchase the boot to fit this tank that I lost, not the tank itself

    Bill  (Certified Scuba Instructor at Scuba.com):

    Unfortunately, we do not carry the replacement boots for these tanks.

  • Guy:

    Do you know if the tank boot come with the tank?

    Arthur  (Certified Scuba Instructor at Scuba.com):

    Hello, yes the boot and valve is included with the tank.

Faber Cylinders for scuba diving are manufactured from steel plates to ensure light tanks with the right buoyancy.


1. The material (steel plate) is carefully selected depending on its eventual use conditions, after verifying the chemical, physical, mechanical characteristics.

2. The design of Faber cylinders uses not only specified calculation formulae but also linear finite element analysis. The calculated data are then verified experimentally using strain-gauge measurements.

3. The fracture mechanics analysis of the steel allows us to define the maximum permissible defects in the cylinders, in order to enable us:
- to establish the non-destructive tests during production
- to guarantee the product fatigue life
- to demonstrate that a leak precedes the hypothetical burst of the cylinder (LBB)

4. The cylinders' surface protection is considered to be a function of the various environmental conditions of use and of the various corrosion agents.

5. Faber's cylinders are manufactured according to a quality control program certified to ISO 9001 and ISO / TS 16949 (where applicable).


Design Tests and Analyses are performed for new design approvals of diving cylinders:

- On materials
- Mechanical tests: tensile, elongation, impact, toughness, ductility, stress-cracking
- Chemical analysis
- On prototype cylinders (check of safety performances)
- Hydraulic burst test
- Pressure cycling test
- Ductility and impact resistance test
- Environmental test
- Extreme temperatures monotonic and cycling tests
- Flawed cylinder burst test

Production tests

During production all the cylinders are subject to:
- Hardness test
- Ultrasonic inspection
- Hydraulic (proof and volumetric expansion) if required by the standard tests
- Leak test on spun cylinders
- Check of the critical dimensions and of the threads
- Check of the marking
- Check of the specified internal and external surface finish
- Flawed cylinders burst-test

If you are already using steel tanks when diving you don't need to be convinced about the advantages of steel. Just make sure that next time you purchase a tank the FABER stamp is on it (go to How to recognize Faber Cylinders).

If you are not using steel cylinders, try to use one and you will soon realise what you have been missing.


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