Support Documents


 

 

Frequently Asked Questions

Looking for help? Look no further, browse our FAQs to get answers to most frequently asked questions. Read More

Care & Maintenance

Find all the information you will need regarding the general upkeep and cleaning of your Catalina Cylinders, all in one place. Read More

Returns & Warranty Information

Need to return or replace your order? Are you trying to find warranty information on your specific cylinders? Look no further! Read More

Terms & Conditions of Sale

View important information regarding the Catalina Cylinders Terms & Conditions of Sale. Read More

Can’t find what you’re looking for? Feel free to contact us!

 

Contact Now

 


Frequently Asked Questions

All Markets

As-Manufactured Paint Warranty

Catalina Cylinders takes pride in the quality of finish of the painted cylinders it manufactures. The paint finish on Catalina Cylinders’ cylinders should last many years with proper care and maintenance. Catalina Cylinders will warranty the paint on its cylinders … Continue reading

Bulged Cylinders Versus Bowed Cylinders

There are a few reasons for inspecting a cylinder with a straight edge. The two main reasons are for identifying a bulged cylinder and a bowed cylinder. A Bulged Cylinder A bulged cylinder will exhibit at least some area of … Continue reading

Cylinder Cleaning

One of the most common questions asked of Catalina Cylinders is, “How do we clean aluminum cylinders which have been in service?” Catalina Cylinders has found the following cleaning practices to be effective in the cleaning of aluminum cylinders. The … Continue reading

Eddy Current Inspection of Aluminum Cylinders

All cylinders manufactured by Catalina Cylinders, have been and are being manufactured form aluminum alloy 6061, never aluminum alloy 6351. Eddy current inspection of 6061 aluminum alloy cylinders at the time of the 5 year hydrostatic retest or annual visual … Continue reading

High Temperature Exposure of Aluminum Cylinders

Aluminum cylinders known to have been exposed to overheating or showing evidence of having been overheated, with overheating being a cylinder metal temperature in excess of 350°F, must be condemned per 49 CFR 180.205 (i) (viii). No testing for acceptance … Continue reading

Non-Magnetic Properties Of DOT-3AL / TC-3ALM Aluminum Cylinders

All DOT 3AL / TC-3ALM 6061 aluminum cylinders manufactured by Catalina Cylinders and Cliff Division of Catalina Cylinders are non-magnetic. This includes all DOT-3AL /TC-3ALM medical oxygen cylinders. Please consult the appropriate cylinder accessory manufacturer for the magnetic properties of … Continue reading

Non-Reversible Heat Indicating Devices

Aluminum cylinders should not be exposed to elevated temperatures, 350°F (176°C) or greater, or the action of fire for any period of time. In section (f) (4) of 49 CFR part 173.34, DOT-3AL and DOT-4E, aluminum cylinders subjected to fire … Continue reading

Paint Removal from Aluminum Cylinders

Catalina Cylinders recommends that paint be removed from aluminum cylinders by the use of gel-type (non-caustic) paint strippers instead of sanding, abrasive blasting, or any methods of exposure to heat. Removal of paint from a cylinder by sanding or abrasive … Continue reading

Requalifying of Aluminum Cylinders

The requalification of cylinders was formally known as the retesting of cylinders. Requalification is done to ensure that a cylinder is still acceptable to continue to be used as a pressure vessel to transport hazardous material. DOT requalifying of a … Continue reading

Return Authorization Policy

The Replacement Policy Products (i.e. cylinders, impacts, and others) manufactured by Catalina Cylinders and Catalina Cylinders Cliff Impact Division will be replaced at no cost to the customer if, after evaluation of the product at the appropriate manufacturing facility, the … Continue reading

Transporting Charged Cylinders in Passenger Vehicles

Catalina Cylinders is aware that many charged cylinders are transported in passenger vehicles and that in a few instances the pressure relief device (PRD) has activated suddenly releasing the charge of the cylinder in the passenger vehicle. Sudden release of … Continue reading

Thread and Neck Inspection for Aluminum Cylinders

All DOT/TC aluminum cylinders must be subjected to visual inspection at the time of their 5 year retest. Thread and neck inspection can only be performed with the valve removed from the cylinder and all foreign material (i.e. dirt, corrosion, … Continue reading

View category→

Scuba

Corrosion Maintenance

Catalina Cylinders recommends the following care and maintenance of SCUBA cylinder to minimize corrosion. Daily Corrosion MaintenanceNever fill a cylinder with wet or contaminated air.SCUBA cylinders must be thoroughly rinsed off with fresh water after each dive – especially when diving … Continue reading

Calculation of an Acceptable Dig (Gouge) in a S80 SCUBA Cylinder

In CGA pamphlet C-6.1, Standards for Visual Inspection of High Pressure Aluminum Compressed Gas Cylinders, it states in section 4.2 that cuts or digs are acceptable to the following limits: Unknown wall thickness, maximum dig = .031″ deep Known wall … Continue reading

Corrosion Maintenance of SCUBA Cylinders

Catalina Cylinders recommends the following care and maintenance of SCUBA cylinder to minimize corrosion. Daily Corrosion Maintenance Never fill a cylinder with wet or contaminated air. SCUBA cylinders must be thoroughly rinsed off with fresh water after each dive – … Continue reading

Crown Markings of a Standard SCUBA Cylinder

The U.S. Department of Transportation (DOT) and Canada’s Transport Canada (TC) require that cylinders made in compliance to their specifications be marked on the crown with certain information. Over the years the format used by Catalina Cylinders and Cliff Impact … Continue reading

Explanation of Manufacturing Related Variations In The Lower Sidewall of Some Catalina Cylinder Corporation SCUBA Cylinders

Catalina Cylinder Corporation manufactured high-pressure aluminum cylinders until December of 1991. In the crown forming operation of the manufacturing process, flame heat was used to heat the end of the product prior to forming the crown of the cylinder. After … Continue reading

Minimum Number of Threads Required in SCUBA Cylinders

At Catalina Cylinders, the minimum number of threads required is based on information from Fed Standard H-28. Fed Standard H-28 is referenced directly in 49 CFR 178.46; DOT-3AL. The minimum number of threads required in a SCUBA cylinder with �-14 … Continue reading

Oxygen Compatibility in SCUBA Cylinders

PLEASE NOTE: This document only applies to Catalina Cylinders, new and used, SCUBA cylinders and in no way is meant to apply to the SCUBA cylinders manufactured by different entities. Prior to June 2006, Catalina Cylinders SCUBA cylinders, as-manufactured, were … Continue reading

Requalification (retesting) of DOT-SP 12079 Steel SCUBA Cylinders

The retest pressure is 5250psi for all SP 12079 steel SCUBA cylinders. All Department of Transportation (DOT) Special Permit (SP) 12079 steel SCUBA cylinders must be requalified at a retest pressure equal to 3/2 (1.5) times the design service pressure … Continue reading

Serial Number Prefixes of SCUBA Cylinders

US / Canadian Cylinders Note: The current serial number prefix system was implemented in 1993. Cylinders manufactured prior to September 1993 did not have serial number prefixes specific to the different cylinder types. The serial number prefixes of these cylinders … Continue reading

Thread and Neck Inspection Criteria for SCUBA Cylinders

All SCUBA cylinders should be subjected to an annual visual inspection under normal use. A cylinder subjected to an average of one fill a day or more is considered a cylinder subjected to high use. A cylinder subjected to high … Continue reading

Valving of SCUBA (Air) Cylinders

Catalina Cylinders recommends that anyone valving SCUBA (air) cylinders should be aware of the hazards associated with high pressure compressed air and be trained in safe practices of valving SCUBA cylinders. Catalina Cylinders has compiled the list of items below … Continue reading

View category→

Medical

Position on PRD’s

After a little bit of work and a lot of dialogue with different people in the compressed gas industry, the following position has been taken by Catalina Cylinders. HM-220 has come full circle on the pressure relief device (PRD) requirements … Continue reading

Transporting Charged Cylinders in Passenger Vehicles

Catalina Cylinders is aware that many charged cylinders are transported in passenger vehicles and that in a few instances the pressure relief device (PRD) has activated suddenly releasing the charge of the cylinder in the passenger vehicle. Sudden release of … Continue reading

Recommended Steps To Be Included in a Procedure for Removal and Insertion of Valves in Medical Oxygen Cylinders

Oxygen is one of the three components necessary for combustion. Great care must always be taken when performing any operation in an oxygen-enriched environment. Catalina Cylinders recommends the following steps be included in any procedure for the valve removal from, … Continue reading

Serial Number Prefixes of Medical Cylinders

Serial number prefixes are the first two characters of the cylinder’s serial number.   Catalina WestGarden Grove, CA Catalina EastHampton, VA DOT Manufacturer’s Number: M4002 CLIFFDIV Part No. Catalina West Catalina East Oxygen Capacity Diameter Length Service Pressure Garden Grove,CA … Continue reading

Medical Oxygen Cylinder Charge Durations

Duration of Use (in Hours) at Different Regulator Flow Rates Common Name MD ME MM Industry Letter Designation A   B     C D   E     � Product Identifer Cliff 9101 9163 9077 9157 9155 9020 9021 … Continue reading

Heat Indicating Paint and Warning Labels on Medical Oxygen Cylinders

At the time of manufacture of medical oxygen cylinders at Catalina Cylinders in Garden Grove, CA and Catalina Cylinders / Cliff Impact Division in Hampton, VA, the cylinders are painted with a clear powder paint and a warning label is … Continue reading

Crown Markings of a Medical Oxygen Cylinder

The Department of Transportation (DOT) and Transport Canada (TC) require that a cylinder made in compliance with their specifications be marked on the crown with certain information. Over the years the format used by Catalina Cylinders and Cliff Impact Division … Continue reading

Catalina Cylinders Position on PRD’s in CGA-870 and CGA-540 Valves in 2015 psi and 2216 psi Oxygen Cylinders

After a little bit of work and a lot of dialogue with different people in the compressed gas industry, the following position has been taken by Catalina Cylinders. HM-220 has come full circle on the pressure relief device (PRD) requirements … Continue reading

View category→

Carbon Dioxide

Crown Marking

  The Department of Transportation (DOT) and Transport Canada (TC) require that cylinders made in compliance to their specifications be marked on the crown with certain information. Over the years the format used by Catalina Cylinders and Cliff Impact Division of Catalina Cylinders to … Continue reading

Calculation of an Acceptable Dig (Gouge) in a 20 lb. CO2 Cylinder

In CGA pamphlet C-6.1, Standards for Visual Inspection of High Pressure Aluminum Compressed Gas Cylinders, it states in section 4.2 that cuts or digs are acceptable to the following limits: Unknown wall thickness, maximum dig = .031″ deep Known wall … Continue reading

Crown Markings of a Standard CO2 Cylinder

The Department of Transportation (DOT) and Transport Canada (TC) require that cylinders made in compliance to their specifications be marked on the crown with certain information. Over the years the format used by Catalina Cylinders and Cliff Impact Division of … Continue reading

Dangers of Heat Exposure to CO2 Cylinders

CO2 cylinders are declared full when the weight of the CO2 charge is equivalent to 68% of the weight of the total water  capacity of the cylinder. This is due to the expansion characteristics of the CO2 charge and the … Continue reading

Dangers of Overfilling CO2 Cylinders

Overfilling a CO2 cylinder, be it an attempt to get longer service out of one charge of a cylinder or be it accidental, can have unexpected and even catastrophic consequences due to the expansion characteristics of the CO2 charge. We … Continue reading

Dangers of Overfilling CO2 Paintball Cylinders

Overfilling a CO2 cylinder, be it an attempt to get longer service out of one charge of a cylinder or be it accidental,  can have unexpected and even catastrophic consequences due to the expansion characteristics of the CO2 charge. We … Continue reading

Filling of CO2Cylinders

Catalina Cylinders recommends that trained personnel fill CO2 cylinders. CGA pamphlets G-6; Carbon Dioxide and G-6.3;  Carbon Dioxide Cylinder Filling and Handling Procedures and 49CFR 173.304; Charging of Cylinders with  Liquefied Compressed Gas be referenced, or included in, the training … Continue reading

Handling of CO2 Cylinders

Catalina Cylinders recommends that anyone handling CO2 cylinders should be aware of the hazards associated with CO2 and be trained in safe practices of handling CO2 cylinders. All practices of handling CO2 cylinders ought to include or reference information from … Continue reading

Hydrostatic Re-Testing and Inspection of CO2 Cylinders

Catalina Cylinders recommends all CO2 cylinders be given a quick external visual inspection prior to each fill and the items noted in Catalina Cylinders technical support document, Inspection of CO2 Cylinders Prior to Each Fill, be included in this inspection. … Continue reading

Transporting (Shipping) of CO2 Cylinders

Catalina Cylinders recommends that anyone transporting CO2 cylinders should be aware of the hazards associated with CO2 and be trained in safe practices of transporting CO2 cylinders. All practices of transporting CO2 cylinders must be in compliance with and ought … Continue reading

Valving of CO2 Cylinders

Catalina Cylinders recommends that anyone valving CO2 cylinders should be aware of the hazards associated with CO2 and be trained in safe practices of valving CO2 cylinders. Catalina Cylinders has compiled the following  list of items that should be included … Continue reading

Inspection of CO2 Cylinders Prior to Each Fill

Catalina Cylinders recommends that all CO2 cylinders be subjected to a quick external inspection of the cylinder and  valve prior to each fill. This inspection may identify conditions of the cylinder and/or  valve that have decreased the integrity of the … Continue reading

Storing of CO2 Cylinders

Catalina Cylinders recommends that anyone storing CO2 cylinders should be aware of the hazards associated with CO2 and be trained in safe practices of storing CO2 cylinders. All practices of storing CO2 cylinders ought to include or reference information from … Continue reading

View category→

Nitrous Oxide

High Temp Exposure

In CGA Pamphlet G-8.1, “Standards For Nitrous Oxide Systems at Consumer Sites“, it states that nitrous oxide cylinders should not be exposed to temperatures in excess of 125oF (52oC) due to the highly combustible nature of nitrous oxide. In CGA … Continue reading

Cleanliness of Nitrous Oxide Cylinders and Accessories

Ignition of combustible materials will happen more readily in the presence of nitrous oxide. This is why the Department of Transportation (DOT) requires that cylinders containing nitrous oxide, meet the following requirement listed in the “Code of Federal Regulations” (CFR-49) … Continue reading

High Temperature Exposure of Nirtrous Oxide Cylinders

In CGA Pamphlet G-8.1, “Standards For Nitrous Oxide Systems at Consumer Sites“, it states that nitrous oxide cylinders should not be exposed to temperatures in excess of 125oF (52oC) due to the highly combustible nature of nitrous oxide. In CGA … Continue reading

Polishing of Nitrous Oxide Cylinders

Catalina Cylinders does not endorse the practice of polishing cylinders. Polishing methods can subject cylinders to excessive localized heating as well as removal of material from cylinder walls. Due to the physical changes as a result of polishing cylinders, all … Continue reading

View category→

Industrial

Valving Procedures

Catalina Cylinders recommends the following procedure for the valving of industrial gas cylinders. Inspect the inlet and outlet threads of the valve and the threads and o-ring gland of the cylinder for damage to the threads and o-ring area. If … Continue reading

Crown Markings of an Industrial Gas Cylinder

The Department of Transportation (DOT) and Transport Canada (TC) require that a cylinder made in compliance with their specifications be marked on the crown with certain information. Over the years the format used by Catalina Cylinders and Cliff Impact Division … Continue reading

Recommended Procedure for Valving Industrial Gas Cylinders

Catalina Cylinders recommends the following procedure for the valving of industrial gas cylinders. Inspect the inlet and outlet threads of the valve and the threads and o-ring gland of the cylinder for damage to the threads and o-ring area. If … Continue reading

View category→

 

Top