Catalina Cylinders · PRODUCT GUIDECatalina Cylinders S53 Review
Research checked · Not scored

Review
Manufacturer information and review searches have been checked. No eligible independent overall rating was verified, so this product remains unscored.
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S53 is a 7.6-litre aluminium cylinder with 53 cu ft of air capacity. Its 184.2 mm diameter matches S63 and S80, but the body is only 488 mm long. Catalina lists 11.4 kg, making this a short cylinder rather than an especially light one.
Consider before buying
The listed buoyancy is -3.8 lb full, -0.8 lb at 500 psi and +0.1 lb empty. Compare those figures with the regulator-equipped rig you will use. Older third-party charts list different weights and buoyancies; they should not override the current manufacturer table.
Our take
S53 may suit a setup needing a shorter body while retaining the broader cylinder diameter. S63 adds capacity and length at the same diameter. No independent overall score for this exact model was verified, so a numerical ranking would overstate the evidence.
Specifications at a glance
- Equipment type
- Scuba cylinder
- Water / air capacity
- 7.6 L / 53 cu ft
- Service pressure
- 3000 psi / 207 bar
- Diameter × cylinder length
- 184.2 × 488 mm
- Cylinder weight
- 11.4 kg
- Buoyancy: full / 500 psi / empty
- -3.8 / -0.8 / 0.1 lb
Compare an alternative
A closer look at S53
Editorial profile written
Facts listed by the source
- Listed weight
- N/A
- Listed dimensions
- N/A
Options in a listing may refer to different variants. Confirm the exact version and package before ordering.
Questions to settle before buying
Based on the equipment type in the researched profile.
- Which cylinder, valve and connection specifications apply to this exact item?
- Will your local fill and inspection provider accept this configuration?
- What documentation and service history are available?
Explore the related equipment section →
What still needs checking
Independent review coverage and model updates still need ongoing research.
We have not yet added independent review evidence for this entry. Manufacturer claims do not establish long-term reliability, value or a performance score.
Where this research comes from
Read the source ↗ · Open the product listing ↗
Exact product name and URL in manufacturer feed · cached source, collected 2026-10-02 · Catalogue audit 2026-10-02.
Source matching and feature extraction are automated. An editorial profile, independent review and hands-on test are separate things; none is implied by this audit.










