- ASME/PED/CRN
- ISO 9001:2015 NSAI Certified
LETHAL SERVICE
PRESSURE VESSELS
Lethal Service Pressure Vessels
BEPeterson is a Lethal Service Pressure Vessel Manufacturer.
BEPeterson is a holder of the ASME single certification mark and a certificate of authorization. We design and fabricate vessels in accordance with the requirements of the ASME Boiler and Pressure Vessel Code.
Requirements for lethal service pressure vessels can found in ASME VIII-1 section UW-2 (2007 edition). The ASME Code specifically places the responsibility of proper classification on the user of the vessel. According to the Code, a lethal substance is a “poisonous gas or liquid of such a nature that a very small amount of the gas or the vapor of the liquid mixed or unmixed with air is dangerous to life when inhaled”.
It is up to the user to determine if a service is lethal. BEPeterson cannot determine if a pressure vessel will be used in environment that falls under the lethal definition of the Code.
Two definitions of lethal service are provided in UW-2:
A vessel is to contain fluids of such a nature that a very small amount mixed or unmixed with air is dangerous to life when inhaled.
By “lethal substances” are meant poisonous gases or liquids of such a nature that a very small amount of the gas or of the vapor of the liquid mixed or unmixed with air is dangerous to-life when inhaled. For purposes of this Division, this class includes substances of this nature which are stored under pressure or may generate a pressure if stored in a closed vessel.
BEPeterson is an ISO 9001 certified manufacturing facility. We have installed strict processes for Quality and Inspection Plans in production of lethal service pressure vessels. BEPeterson’s Engineers and Quality staff are well versed in the design and manufacturing process for lethal service pressure vessels. We work closely with our customers to ensure the vessel meets the requirements for their application.
Lethal Service Tanks can be built to a variety of sizes and can be furnished for atmospheric pressure, or designed for internal and external pressure. All materials are available including stainless steel, nickel alloys and reactive metals. As with other pressure vessels, these can be provided in many material finishes and weld finishes.
Lethal Service Tanks will usually receive the “L” stamp on the ASME data plate indicating design and construction meet the guidelines set by the ASME Boiler and Pressure Vessel code. Special consideration of each vessel is required for fitting types, wall thickness, and non-destructive testing. Vessels can be designed in both vertical and horizontal configurations.
International Standard Compliance
Cutting-edge Welding Processes
Rigorous Testing & Inspection
Detailed Reports
International Standard Compliance
- All vessels meet all applicable codes and standards (ASME, PED, and CRN).
- As a trusted ammonia tank manufacturer, BEPeterson delivers products with on time delivery, and to certified ISO 9001 quality standards.
Cutting-edge Welding Processes
- BEPeterson uses modern welding equipment, including submerged arc, which provides efficient and smooth welding of ammonia tanks.
- We meet the most sophisticated weld procedures using TIG, MIG, SAW, SMAW, FCAW with a variety of wire and fluxes.
- Qualified ASME Welders and an extensive radiographic capability support all types of ASME Section VIII code construction.
- Our welding capability is supported by a weld-engineering group consisting of multiple CWIs, and in-process weld inspectors.
Rigorous Testing & Inspection
- Every shell and tube heat exchanger is fully documented and inspected by authorized ASME Inspectors.
Detailed Reports
- BEPeterson provides full documentation, material test certificates, RT, and hydro test reports prior to shipment.
Full Service Metal Fabrication Since 1935
Since 1935 BEPeterson has set the standard for custom metal fabrication of heavy-gauge metal parts and equipment.