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SPECIALTY GAS DIVISION: Services & Contacts | Bulk Gases | Micro-Bulk Gases | Laser Systems | Specialty Gases
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We design, install and monitor more small bulk gas installations than ANY OTHER PROVIDER in the Northwest!
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Gas Storage
 
Laser Micro-bulk
Engineered Bulk Gas Systems: See Recent Installations
  • System Installation & Maintenance
  • Bulk Gas Delivery
  • High Purity & Industrial Gases
  • Gas Monitoring & Reporting Systems
SURVEY - We consider over 20 factors, including your company’s size and projected growth, gas usage, floor space, industry and security concerns.
DESIGN - Using our extensive applications and engineering knowledge, we custom design a system for you.
INSTALLATION - Our factory authorized technicians install your system and make sure everything is working correctly.
SERVICE - Special gas training is provided to optimize new procedures. We install Wireless Telemetry to monitor your gas supply and replenish as needed to insure a continuous supply. We also work with you to adapt your system if your demand increases.
Contact us for a site survey and cost comparison to see if an engineered gas supply system is the right fit for your company.
Certificates of Conformance (COC) Certificates of Analysis (COA)
This certificate defines the minimum gas specifications for product distributed as "UHP" grade and provides quality assurance for gases filled within a batch.

COC's are available on request for all the gases we fill and distribute.

This certificate defines the standards of gases analyzed by individual cylinder/ vessel and is an actual cylinder/vessel analysisfor the UHP specification.

COAs may be requested at the time of gas order for an additional charge.
QUESTIONS ABOUT GAS CERTIFICATIONS?
Contact Gas Specialist, Gary Emerson for further information regarding our gas certifications. CALL: (360) 454-5550
EMAIL: garyemerson@centralwelding.com

BULK STORAGE SYSTEMS
Bulk Gas Storage Systems
1 Liquefied gases are stored at ultra-cold temperatures in a vacuum insulated tank. Controls on the tank keep the pressure of the liquid at optimum levels to assure proper liquid delivery to the application. 3 A customized configuration of gas equipment controls and provides gas to other applications within the facility. Our Gas Specialists help to provide proper sizing for vaporizers, control manifolds, etc. to serve both a liquid and gas application from a single bulk tank liquid source.
2 Vacuum insulated piping connects the tank’s liquid withdrawal to the application equipment. The piping is the foundation for the system’s heat-loss efficiency and long-term integrity. It must be engineered to work with the associated controls and accessories. 4 The application equipment is designed to utilize liquid or gas at specific properties. The system design must take careful consideration of these requirements so the equipment meets the user’s performance specifications

Products are stored in liquid phase at different temperatures and pressures depending on the gas: about –190° C and atmospheric pressure for air gases; -20° C and 20 bars for Carbon Dioxide. From these large storage tanks, products are typically delivered directly to customers in insulated cryogenic trucks. Most transport is by road, but we also transport by rail, ISO container, or boat.
Bulk Gas Illustration Bulk Gas Illustration
   
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LOCATIONS: GAS PRODUCTS: WELDING SUPPLIES: SAFETY PRODUCTS: RESOURCES:

DIVISIONS:

Pacific Welding Supplies
Central Cryogenics
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