Ever wonder what your scuba tank goes through to pass a hydrostatic test? OSHA 1910.57(e)(4) states: “the employer shall assure that all stored pressure dry chemical fire extinguishers that require 12 year hydrostatic tests are emptied and subjected to applicable maintenance procedures…” Typically, 150% of the operating pressure is used. The NFPA recognizes the DOT’s testing requirements in their standard on SCBA selection, care and maintenance (NFPA 1852). Hydrostatic testing must be performed in accordance with CGA pamphlet C-1; Methods for Hydrostatic Testing of Compressed Gas Cylinders. We are licensed by the Department of Transportation (DOT) to perform the five or ten-year hydrostatic retest required by law. Hydrostatic Testing in San Antonio, TX. A hydrostatic test is a method to validate the structural integrity and safety of a cylinder throughout its service live. Our company has more than 12 years of experience. Hydrostatic Testing of Aviation Components 1) What is Cylinder Requalification? Our services are prepared to meet and exceed the demands of our customers. Summary. Contact Us. September 1, 1991. These companies offer a comprehensive range of Hydrostatic Testing Services, as well as a variety of related products and services. View Contact Info. 1 Year. Leakage Test: MC 330 and MC 331 cargo tanks in chlorine service. DOT regulations states that a tank that fails during hydrostatic testing cannot be filled again, and will not be given a test stamp. and DOT storage cylinders (used on compressors or cascade systems). About Search Results. Hawkeye Fire & Safety is a D.O.T. DOT-3AA gas cylinders must be tested every 5 years and have an unlimited life. Few other facilities exist with such capability. Hydrostatic Testing. After a certified technician requalifies a tank he/she will mark tank with the date and type of test performed. Department of Transportation (DOT) & Hazmat Fire Protection. 618-654-6090 200 Plaza Street, Highland, IL 62249. Mechanical testing services are used to test pipelines, high-pressure component and bolted unions, hosepipes tanks and accumulators and components for diesel and gasoline injection systems. September 1, 1991 . DOT Incorporated does hydrostatic testing of tanks and cylinders in Denver, Colorado. Burst pressure testing, leakage testing with pressure drop method and leakage testes with hydrogen are available. We perform all aspects of the inspection, testing and reconditioning. Our service area covers the entire state of Colorado. Hydrostatic Testing. a. ThomasNet.com provides numerous search tools, including location, certification and keyword filters, to help you refine your results. GET DIRECTIONS. SP-Cylinders Special Permit. Pressure is then applied internally to the cylinder, causing the cylinder to expand. Authorized Hydrostatic Retesters Authorized DOT Cylinder Retesters - U.S. and International Persons authorized to retest DOT cylinders under 49 CFR 173.34 are listed in two formats. Department of Transportation (DOT) regulations require compressed air/gas cylinders be periodically tested and inspected internally and externally by a DOT certified testing agency. The vessel is visually examined for defects and then placed in a container filled with water, and in which the change in volume of the vessel can be measured by monitoring the water level. The tank serial # is stamped out with an X, and the cylinder threads are scored so that it cannot be filled again. Oilfield Services Texas F & B Pflugerville, TX 78691. DOT-3HT gas cylinders must be tested every 3 years and have a 24-year life. YP - The Real Yellow Pages SM - helps you find the right local businesses to meet your specific needs. The process of inspecting and testing pressure cylinders i. (Unless stamped with a star (*) in which case the cylinder meets certain specifications and can have a 10-year hydrostatic test … The first format lists the retesters sequentially by Identification Number. About Search Results. The DOT has specifications to regulate the strength and quality of the stainless steel cylinders used for these applications and different types of cylinders will need to undergo hydrostatic testing either every 3, 5, 10, or sometimes 12 years depending upon the age of the cylinder, the contents, the material of the cylinder, and other factors. Once a cylinder has successfully passed all visual inspection and hydrostatic test requirements, it is to be permanently marked with the test date, month and year, and licensed test … CFR 49 section 180.209 (m), (6351 regulation) Requalification and Inspection of DOT–??? American Hydrostatic Services is a certified DOT retest facility located in Louisville, Ky. We specialize in hydrostatic testing and visual inspections of compressed gas cylinders in many industries. Periodic hydrostatic testing is a DOT 49 CFR 180.205 requirement to be met by all entities that use DOT and Special Permit cylinders i.e. The purpose of hydrostatic testing is to examine the structural integrity of the cylinder by pressurizing the cylinder to its designed test pressure. Search results are sorted by a combination of factors to give you a set of choices in response to your search criteria. S.C.B.A cylinders are normally tested using a water jacket test. East Coast Hydro Testing Inc 113 Longale Road Greensboro, NC 27409. A hydrostatic test consists of filling the cylinder with a nearly incompressible liquid—usually water—and examining it for leaks or permanent changes in shape. Hydrostatic Testing and Re-qualification . All other cargo tanks except MC 338 . Gateway specializes in high pressure and low pressure cylinder testing, hydrostatic cylinder testing, cylinder blasting, custom cylinder painting, cylinder neck ring maintenance and delivery. Hydrostatic testing of DOT regulated cylinders. We are one of the largest DOT-certified hydrostatic testing facilities in the country and offer extensive reconditioning and customization services as well, for full-range, efficient, business-oriented cylinder service. Get In Touch With Us. Web. Call Us Today: (303) 299-9525. View Contact Info. DOT regulations require periodic hydrostatic testing of high-pressure cylinders. Tanks will need to be re-qualified 12 years after this type of testing. Certified Hydro-test Facility We can hydro-test low and high pressure cylinders with our hydrostatic testing equipment. The last test is a “Volumetric Expansion” test that is a water jacket hydrostatic test where the tank is tested at twice the marked service pressure. Hydrostatic testing of DOT regulated cylinders. This method consists of enclosing a cylinder filled with water inside a test jackets filled with water. Pressure cylinders must be inspected and tested at specific intervals to ensure that no conditions exist that preclude the cylinder from performing to its next inspection interval. Home; About Us. The Compressed Gas Association (CGA) and the Department of Transportation (DOT) provide guidance on the safe transportation, storage, and use of high pressure oxygen cylinders. Pressure Test: (Hydrostatic or pneumatic) (See Notes 2 and 3) All cargo tanks which are insulated with no manhole or insulated and lined, except MC 338. Steel and aluminum cylinders should be tested every five years. HOME; SERVICES; REQUIREMENTS; CONTACT; Call Us Today (303) 299-9525. This includes the hydrostatic test requirements on all cylinders. We are knowledgeable and skilled in the removal of paintball regulators and offer hydro and new regulator packages to allow you to get the most out of your hydrotest. The Department of Transportation (DOT) requires periodic hydrostatic testing of these breathing air cylinders. This means that each item we work on comes with FAA and/or EASA certification and also meets DOT requirements. Enter your information below now to contact us. 2255 Stout Street, Denver, CO 80205. Careers; Our Services. Welcome to the premier industrial source for Hydrostatic Testing Services in Michigan. Northeast Pressure Vessel Testing (NEPVT) has become a leader in the industry for providing requalification by the hydrostatic and ultrasonic examination methods and maintenance of Department of Transportation (DOT) compressed gas cylinders (for example 3A, 3AA, 3AL and special permits DOT SP-12607 and DOT SP-10922) under the relevant provisions of 49 CFR sections 180.205 through … The average turn-around time for hydrostatic testing is ten days. Home; About Us; Our Services. Cylinder Testing & DOT Certification For Cylinder Testing in Grand Rapids, Call (800)968-2871! Simply drop off the cylinders that need to be tested at any of our branch locations and we handle the rest. Pressure Testing Service 3117 County Road 205 N Henderson, TX 75652. We perform hydrostatic testing for most of West Central Florida’s scuba shops throughout Tampa, St. Petersburg, Clearwater, Largo, and Sarasota; but you can bring your tanks directly to us! 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