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Quick Intro

At WSM Calibration Gases, Certified calibration gas mixtures, high-purity gases, and traceable reference standards engineered for analytical, safety, and industrial applications. From single component to multi-component blends, every cylinder is produced under ISO 17025 standards and our EPA Protocol Vendor ID Y12025 for full traceability and compliance.

Trusted by industries across environmental monitoring, petrochemical, analytical, and safety sectors.

Our commitment to quality is backed by current certifications and standards:

PJLA Testing
ISO/IEC 17025:2017

PJLA Reference Material Producer
ISO 17034:2016

Our Products

Our Calibration Gas Portfolio

Explore our catalog of certified calibration gases, high-purity gases, and accessories.

116 Liter Cylinder

Gas Types: Reactive & Non-Reactive
Contents: 116 Liters
Volume: 4.0 ft³
Pressure: 1,000 PSIG
Material: Aluminum
Valve: C-10
Dimensions: 3 1/2″ × 13 7/8″
Certifications: ISO 7866 / TC-1266

108 Liter Cylinder

Gas Types: Reactive & Non-Reactive
Contents: 108 Liters
Volume: 3.8 ft³
Pressure: 1,000 PSIG
Material: Aluminum
Valve: C-10
Dimensions: 3 1/2″ × 13 7/8″
Certifications: ISO 7866 / TC-1266

103 Liter Cylinder

Gas Types: Non-Reactive
Contents: 103 Liters
Volume: 3.6 ft³
Pressure: 1,050 PSIG
Material: Steel
Valve: C-10
Dimensions: 3 1/4″ × 13 27/32″
Certifications: DOT-39 NRC / TC-39M NRC

58 Liter Cylinder

Gas Types: Reactive & Non-Reactive
Contents: 58 Liters
Volume: 2.0 ft³
Pressure: 1,000 PSIG
Material: Aluminum
Valve: C-10
Dimensions: 2 7/8″ × 9 5/8″
Certifications: ISO 7866 / TC-1266

34 Liter Cylinder (Aluminum)

Gas Types: Reactive & Non-Reactive
Contents: 34 Liters
Volume: 1.2 ft³
Pressure: 500 PSIG
Material: Aluminum
Valve: C-10
Dimensions: 2 7/8″ × 9 5/8″
Certifications: ISO 7866 / TC-1266

34 Liter Cylinder (Steel)

Gas Types: Non-Reactive
Contents: 34 Liters
Volume: 1.2 ft³
Pressure: 500 PSIG
Material: Steel
Valve: CGA-600
Dimensions: 3″ × 10 3/4″
Certifications: DOT-39 NRC / TC-39M NRC

Gases

Zero & Carrier Gases

Ultra-high purity gases used as dilution, zeroing, or carrier gases in analytical systems.

Reactive Mixtures

Prepared in high-purity aluminum cylinders with specially treated valves and surfaces to ensure stability and accuracy.

Pure Gases

High-purity single-component gases available in a range of cylinder sizes for analytical and industrial use.

Non-Reactive Mixtures

Formulated for stable components and long shelf lifs in steel or aluminum cylinders.

Highly Reactive mixtures

Handled using enhanced treatment and specialty cylinder preparation techniques.