Medical Gases

Providing Medial Gases, Gas Systems, and Equipment for:

Healthcare, Clinics, Research, Laboratories, Physicians, Dermatology, Dental, and Veterinary Practices

Emergency Deliveries

Our fulfillment centers support emergency deliveries, special events, and unplanned run-outs

Delivery Scheduling

Customers may choose between automatic prescheduled delivery (weekly, twice monthly, or monthly), OR call in for “as needed“ delivery service

Cylinder Exchange Program

Our exchange program allows for customers to have a full on-hand, as well as a spare, for timely and efficient change-out of your empty tanks.

Local ~ Experience ~ Service ~ Convenience

Central Welding Supply's Medical Gases Division is the only regional provider capable of producing gases and gas mixtures to meet our customers’ specific need for all grades and purity specifications. Our 10,000 sq ft cylinder fill plant at Smokey Point, WA headquarters, is the centerpiece for distribution of cylinder gases throughout Western Washington, Oregon and Alaska. We currently fill oxygen, nitrogen, argon, helium, carbon dioxide, nitrous oxide, and multiple derivative mixtures in both cryogenic liquid and high-pressure gaseous forms. We are capable of producing ultra-high purity gases, extremely high pressure gases, and specialty gas mixes in-house, providing the most complete gas products line in our region. Our fill facility currently processes and fills between 40,000 and 50,000 cylinders of all types, sizes and kinds per month.

Our customers rely on us for fast and efficient gas delivery from any of our 30+ retail distribution centers throughout Washington, Oregon, and Alaska

Whether you’re placing an order, or seeing information on your account, you can always expect prompt service from a local contact.

Customers routine and emergency orders are all managed from the nearest Central Welding Supply location, ensuring prompt service and accountability

Largest independent producer and distributor of medical gases in the Northwest

Established provider for hospitals, surgery centers, dental practices, medical centers, and research centers

Medical Gas Industry / Facility compliance support for requirements outlined by FDA, NFPA, CGA, USP, JCAHA, and NIOSH

Consulting support and on-site safety and compliance inspections

Medical Gases Compliance Division

Gary Emerson

Quality Control Manager
GaryEmerson@centralwelding.com

Collin Holeman

Gas Compliance & Distribution
CollinHoleman@centralwelding.com

Medical Gas State Licensing

FDA Compliance Certificate
Medical Equip License, Oregon BoP Marysville, WA
Medical Gas License, Oregon BoP Albany, OR
Medical Gas License, Oregon BoP White City, OR

Medical Gas License, Oregon BoP Portland, OR
Medical Gas License, Alaska BoP Wasilla, AK
Medical Gas License, Alaska BoP Fairbanks, AK
Medical Gas License, Alaska BoP Anchorage, AK
Medical Gas License, Alaska BoP Kenai, AK

Medical Gas Products

Meeting the needs of today's modern medical facilities, we offer an extensive supply of medical and specialty gas products and equipment. We provide a wide range of portable cylinders options. Or, for large scale operations, we can configure gas system installations plumbed directly into your healthcare facility.

USP* Oxygen Gas Specifications

Oxygen, as a basic component of air and necessary to sustain life and produce energy is essential in many healthcare applications. In hospitals medical oxygen plays a vital role in nearly all medical procedures.

  • anesthesiology

  • surgery

  • resuscitation

USP* Nitrous Oxide Gas Specifications

Nitrous oxide is used as an analgesic, often in combination with other agents for the production of anesthesia. Nitrous oxide is also used for cryosurgery.

  • Medical & Dental use

  • Laboratory purposes

  • Minor sedation

NF** Nitrogen
Gas Specifications

USP* Helium
Gas Specifications

Carbon Dioxide (CO2)
Gas Specifications

SPECIALTY MEDICAL MIXES
BLOOD GASES

USP* Air by Compression
Gas Specifications

Safety Data Sheets for our Gas Products

* The United States Pharmacopeia (USP) is a listing (compendium) of drugs licensed for use in the United States with the analytical standards necessary to establish purity suitable for human use applied to each of the listed drugs. Drugs sold for human consumption in the US must meet or exceed the purity standards listed in the USP. Drugs meeting these requirements must include a designation on their label that demonstrates compliance with standards listed within the USP; typically, this is shown as the initials USP immediately following the name of the drug. Many nations have their own Pharmacopoeia to list and specify requirements for drugs legally sold within their borders.

** NF - The United States Pharmacopeia–National Formulary (USP–NF) is a book of public pharmacopeial standards. It contains standards for medicines, dosage forms, drug substances, excipients, medical devices, and dietary supplements.

Medical Gas Cylinder Information

Letter Cubic Feet Liters D.O.T. #
M6 5 150 2015
M9 9 248 2015
D 15 420 2015
E 25 690 2015
Q 76 2165 2015
M122 111 3138 2015
C 138 3831 2015
S 152 4229 2015
200 249 6900 2015
250 280 7926 2265
300 337 9340 2400
Letter/Size Pounds Liters D.O.T. #
B (2#) 2 535 2015
E 7 1745 2015
10# 12 2978 2015
F (20#) 21 5167 2015
M 33 8267 2015
50# 57 14163 2015
75# 75 18600 2400
Letter/Size Cubic Feet Liters D.O.T. #
E 23 643 2015
80 79 2240 2015
110M 107 3030 2015
S 141 3981 2015
200 207 5863 2015
250 230 6501 2265
300 275 7801 2015
Letter/Size Cubic Feet Liters D.O.T. #
E 24 665 2015
80 81 2305 2015
110M 107 3030 2015
200 190 5376 2015
250 238 6739 2265
300 285 8070 2400
Letter/Size Pounds Liters D.O.T. #
E 7 1745 2015
50# 57 14169 2015

Full Medical Gas Cylinder Information

Gas Systems & Equipment

Providing Medical Equipment and Systems for…

Hospitals/Clinics

Physicians

Dermatology

Laboratories

Research

Healthcare

Veterinarian

Dental

Our vendors are selected for the quality of their products and service. Whether it's fittings, regulators, or gas manifold systems, we guarantee products designed and manufactured for unparalleled technical accuracy in the most demanding applications.

  • Cryogenic Equipment

  • Cylinder Brackets

  • Cylinder Connections

  • Cylinder Storage/Handling

  • Cylinder Wrenches

  • Filters/Purifiers

  • Flowmeters

  • Hoses

  • Leak Detector Solution

  • Low Pressure Gas Alarm

  • Manifolds

  • Pressure Guages

  • Purge Assemblies

  • Regulators and Brackets

  • Valves

Respiratory Therapy Gases

  • Therapy gases

  • Diagnostic gases

  • Anesthetic gases/Nitrous Oxide

  • Lung diffusion gas mixtures

  • Oxygen

  • Helium-oxygen mixtures

  • Blood gas mixtures

  • Medical laser gas mixtures

  • Computed Tomography (CT) scanning mixtures

  • Calibration mixtures

Medical Drug Gas - Therapy Cylinder Size Contents Connection
5% Carbon Dioxide in Oxygen 200 226 cf 280
10% Carbon Dioxide in Oxygen 200 226 cf 500
20% Oxygen in Helium 200 199 cf 280
30% Oxygen in Helium 200 199 cf 280
Lung Diffusion Gases Cylinder Size Contents Connection
0.3% Carbon Monoxide, 10% Helium, 21% Oxygen in Nitrogen 200 209 cf 500
0.3% Carbon Monoxide, 0.5% Neon, 21% Oxygen in Nitrogen 200 213 cf 500
0.3% Carbon Monoxide, 0.3% Methane, 21% Oxygen in Nitrogen 200 213 cf 500
0.3% Acetylene, 0.3% Carbon Monoxide, 0.3% Methane, 21% Oxygen in Nitrogen 200 213 cf 500
Blood Gas Mixtures Cylinder Size Contents Connection
2-14% Carbon Dioxide in Nitrogen 200 228 cf** 500
7-12% Carbon Dioxide in Oxygen 200 233 cf** 500
1-19% Oxygen in Nitrogen 200 228 cf** 500
2-12% Carbon Dioxide, 12-15% Oxygen in Nitrogen 200 228 cf** 500

* Non-standard grade mixtures, custom mixtures, and cylinder sizes are available upon request.
** Contents are approximate.

Respiratory Calibration Products

Central Medical Gases offers all the gases that your pulmonary testing requires. We inventory the most commonly used mixtures and can manufacture products in a variety of cylinder sizes to meet your application needs.

  • Respiratory therapy

  • Pulmonary function

  • Respiratory calibration products

  • Instrument manufacturing

  • Instrument service organizations

  • Operating room

  • Biomedical engineering

  • Physician offices and labs

  • Custom specifications

  • Intensive care/NICU/CCU

  • Pulmonary function calibration products

SPECIFICATIONS
Method of
Preparation		 Minimum
Concentration*		 Components
Gravimetric 0.3% CH4, C2H2, CO, Ne
1.5 % CO2, O2, He, N2
SPECIFICATIONS cont.
Blend
Accuracy		 Analytical
Accuracy		 Gas
Specifications
± 0.03% absolute ± 0.03% absolute H2O < 20 ppm
± 2% relative ± 2% relative CH4 < 25 ppm
Mixture Expiration Period Raw Material Traceability
Mixtures containing Carbon Monoxide in aluminum cylinders 3 years USP/NF where applicable NIST Class 1 Weights
Mixtures containing Carbon Monoxide in steel cylinders 2 years USP/NF where applicable NIST Class 1 Weights
Mixtures in BD cylinders 1 year USP/NF where applicable NIST Class 1 Weights
Mixtures without Carbon Monoxide in all other cylinders 3 years USP/NF where applicable NIST Class 1 Weights
Pure Oxygen, Pure Helium 5 years USP/NF where applicable NIST Class 1 Weights

* For listed accuracies. Call for specifications at lower concentrations.

Contacts

  • Medical Division Headquarters

    Central Welding Supply
    15700 Nelson Rd South
    Tukwila, WA 98188
    Office: (425) 228-2218

  • Kirby Lang

    Medical Gases Sales Manager
    Call: (425) 864-1788
    kirbylang@centralwelding.com

  • Barry Groves

    South Seattle Region
    Call: (360) 281-7938
    barrygroves@centralwelding.com

  • Teresa Buchholz

    Seattle Metro Area, Eastside, and
    North Puget Sound
    Call: (206) 856-2247
    teresabuchholz@centralwelding.com

  • Mark Murano

    South Puget Sound
    Call: (253) 377-9315
    markmurano@centralwelding.com

  • Scott Huereña

    SW Washington and Oregon Regions
    Call: (425) 876-2105
    scotthuerena@centralwelding.com

Have Further Questions?

Please call (360) 651-2307 or fill out the form below
and our Medical Specialists will reach out to you.

Complaint Resolution Process

Have an issue? Please download and complete the Complaint Form below and send via email to our compliance contacts.