BluNet provides certified and compliance-oriented manufacturing for cryogenic tanks, gas cylinders, cryogenic vaporizers and related industrial gas equipment. Our certification portfolio covers different equipment types, product specifications and destination markets.
Because certification requirements vary by equipment design, pressure rating, gas medium, application and destination market, each certification is associated with a specific product, manufacturing scope or regulatory requirement.
This page provides an overview of our certification portfolio and the supporting inspection, testing and technical documentation available for our industrial gas and cryogenic equipment.
Certification Portfolio
Our certification portfolio is organized by equipment type so customers can identify the relevant certification and compliance documentation for their project.
| Equipment Category | Product Types | Key Certifications & Compliance |
|---|---|---|
| Cryogenic Tanks | Dewars, Microbulk Tanks, Bulk Storage Tanks, Transport Tanks, ISO Tank Containers | ASME, CE/PED, TPED, GB, GOST/EAC, CCS/BV/DNV/LR/RINA; applicable inspection and test documentation |
| Gas Cylinders | CNG Cylinders, Seamless Steel Cylinders, Specialty Gas Cylinders | ISO, ECE R110, GB, EN, DOT and TPED requirements, as applicable |
| Cryogenic Vaporizers | Ambient Air, Water Bath and Electric Vaporizers | Applicable pressure equipment, safety and regional compliance requirements |
| Quality Management | Manufacturing and Quality Control Systems | ISO 9001; documented quality control and material traceability |
| Inspection & Testing | Pressure, Leak, Vacuum, NDT and Final Inspection | Pressure testing, helium leak testing, vacuum testing, NDT and final inspection records |
Cryogenic Tank Certifications
Our cryogenic tank certification portfolio covers different types of vacuum-insulated storage and transport equipment. The applicable certification depends on the tank configuration, design pressure, storage medium, capacity, application and destination market.
Our cryogenic tank portfolio includes:
- Cryogenic Dewars
- Microbulk Tanks
- Bulk Cryogenic Storage Tanks
- Cryogenic Transport Tanks
- ISO Tank Containers
Microbulk Tank Certifications
Microbulk tanks are stationary vacuum-insulated cryogenic storage systems designed for continuous or controlled supply of liquefied industrial gases. They are commonly used for nitrogen, oxygen, argon, carbon dioxide and other cryogenic gases.
Microbulk tank certification may cover pressure vessel design, materials, welding, inspection, vacuum insulation, pressure protection and final testing.
Bulk Cryogenic Storage Tank Certifications
Bulk cryogenic storage tanks are designed for larger-volume storage of liquefied gases at industrial, medical, energy, manufacturing and other facilities.
Our bulk tank certification portfolio can cover different vessel capacities, pressure ratings, gas services and market requirements.
ISO Tank Container Certifications
ISO tank containers combine a pressure vessel with a standardized container frame for transportation by road, rail and marine routes.
Certification and compliance requirements can cover the pressure vessel, container structure, transportation, safety devices, inspection and marking requirements.
Cryogenic Dewar Certifications
Cryogenic dewars are vacuum-insulated containers used for the storage, handling and distribution of liquefied gases such as liquid nitrogen, liquid oxygen and liquid argon.
Different dewar configurations may require different certification, inspection and testing documentation. The applicable certification is determined according to the product design, pressure rating, gas service and destination market.
Cryogenic Transport Tank Certifications
Cryogenic transport tanks are designed for the transportation of liquefied gases and may be subject to both pressure equipment and transportation requirements.
Applicable certification depends on the tank design, transport mode, gas or liquid being transported, destination market and applicable regulations.
Gas Cylinder Certifications
Gas cylinder certification depends on cylinder design, material, manufacturing process, working pressure, gas service and destination market. Our gas cylinder certification portfolio includes CNG cylinders, seamless steel cylinders and other specialty gas cylinder products.
CNG Cylinder Certifications
Our CNG cylinder portfolio is supported by multiple product certifications and approvals for different specifications and markets. Each certificate identifies the applicable product, standard, certification body and scope.
Specialty Gas Cylinder Certifications
Specialty gas cylinders may be used for high-purity gases, calibration gases, laboratory applications and other specialized gas services.
Composite Gas Cylinder Certifications
Composite cylinders use metal or polymer liners with fiber-reinforced composite overwraps. Applicable certification depends on cylinder type, gas service and destination market.
Seamless Steel Gas Cylinder Certifications
Our seamless steel gas cylinder certification portfolio covers different cylinder specifications and industrial gas applications.
Aluminum Gas Cylinder Certifications
Our aluminium gas cylinders are lightweight, corrosion-resistant pressure vessels used for medical oxygen, industrial gases, specialty gases and portable gas applications. Certification requirements depend on the cylinder specification and destination market.
Quality Management Certifications
Quality management is an integral part of BluNet’s manufacturing and inspection process. Our quality system supports controlled production, material traceability, inspection, testing and documentation throughout the manufacturing process.
ISO 9001 Quality Management
BluNet’s manufacturing and quality management activities are supported by an ISO 9001 quality management system. The applicable scope and certification documentation depend on the relevant manufacturing activities and certification requirements.
Manufacturing Quality Control
Quality control can include:
- Material identification and traceability
- Dimensional inspection
- Welding procedure and weld quality control
- Heat treatment control where applicable
- Pressure testing
- Leak testing
- Vacuum inspection for cryogenic equipment
- Non-destructive testing
- Valve and piping inspection
- Safety-device verification
- Surface treatment inspection
- Final dimensional and structural inspection
- Documentation and certification review
Inspection & Testing
Certification is supported by manufacturing inspection and testing. Depending on the equipment and applicable requirements, inspection may be performed during material preparation, fabrication, welding, assembly and final production.
| Inspection / Test | Purpose |
|---|---|
| Material Inspection | Verify material specification, identification and traceability. |
| Dimensional Inspection | Verify dimensions, tolerances and completed equipment configuration. |
| Welding Inspection | Verify applicable welding procedures and weld quality requirements. |
| Non-Destructive Testing | Evaluate applicable welds, materials and pressure-containing components. |
| Pressure Testing | Verify pressure-containing integrity according to the applicable specification. |
| Leak Testing | Verify leak-tightness of applicable pressure and cryogenic systems. |
| Vacuum Testing | Verify vacuum integrity for applicable vacuum-insulated cryogenic equipment. |
| Safety Device Testing | Verify applicable pressure-relief and safety components. |
| Final Inspection | Verify completed equipment, markings, configuration and documentation. |
Certification Documents & Traceability
For applicable projects, certification documentation can be associated with the supplied equipment through product identification, certificate numbers, manufacturing records and inspection documentation.
Depending on the product and project requirements, the documentation package may include:
- Certificate of conformity
- Product certification
- Material certificates
- Inspection certificates
- Pressure test reports
- Leak test reports
- Vacuum test reports
- NDT reports
- Welding documentation
- Dimensional inspection records
- Final inspection records
- Technical drawings
- Operation and maintenance documentation
- Project-specific compliance documents
The exact documentation package is determined according to the product specification, applicable standard, destination market and customer requirements.
Certification Documents by Product
The following structure can be used to identify the certification documentation associated with each equipment family.
Certification Is Part of Our Manufacturing Process
Certification is one part of a broader engineering and manufacturing process. For pressure equipment and cryogenic systems, reliable compliance depends on the relationship between engineering design, materials, fabrication, inspection, testing and documentation.
- Project requirements – Define the gas medium, capacity, pressure, temperature, application and destination market.
- Applicable requirements – Identify the relevant standards, regulations and certification requirements.
- Engineering design – Develop the equipment configuration and technical specification.
- Material selection – Select materials suitable for the required operating conditions.
- Manufacturing – Fabricate the equipment according to controlled manufacturing procedures.
- Inspection and testing – Perform applicable inspection, NDT, pressure, leak and vacuum testing.
- Certification – Complete applicable certification and conformity documentation.
- Final inspection – Verify the equipment and documentation before shipment.
Manufacturer Proof
Certification is only one part of evaluating a cryogenic equipment manufacturer. Customers should also consider manufacturing capability, inspection procedures, engineering experience and actual project experience.
Explore the following areas to understand our manufacturing and engineering capabilities:
Liquid Nitrogen Cryogenic Tank
BluNet liquid nitrogen cryogenic tank solution for reliable LN₂ storage and distribution.
Vacuum-insulated LNG Cryogenic Tank
BluNet LNG cryogenic tank solution for reliable LNG storage and distribution.
LCO2 Cryogenic Bulk Tank
BluNet LCO₂ cryogenic tank solution for reliable liquid CO₂ storage and distribution.
Vacuum-insulated Microbulk System
BluNet Microbulk system for reliable on-site industrial gas storage and supply.
Looking for a Reliable Cryogenic Storage Solution?
Whether you need bulk storage, microbulk, or on-site supply,
TECHNICAL FAQs
About Certifications & Compliance
Depending on the tank design, specification and destination market, BluNet cryogenic tanks may be supplied according to applicable ASME, CE/PED, TPED, GB, GOST/EAC and classification or third-party inspection requirements. The applicable certification scope is confirmed for each project.
Gas cylinder requirements depend on the cylinder material, design, pressure rating, gas service and destination market. Applicable standards may include ISO, ECE R110, GB, EN, DOT and TPED requirements. Specific requirements are confirmed according to the cylinder specification and market.
Yes. Depending on the product and project requirements, documentation may include certificates of conformity, material certificates, pressure and leak test reports, vacuum test records, NDT reports, inspection records, technical drawings and other applicable quality documentation.
Yes. Third-party inspection can be arranged where required by the applicable standard, destination market or customer specification. The inspection scope and applicable certification body are determined according to the equipment and project requirements.
Related Cryogenic Equipment
Explore our cryogenic equipment and industrial gas storage solutions: