Valves
Compressed Gas Cylinder Valves for Industrial, Medical, and Specialty Gas Applications.
All Safe Global carries a comprehensive stock of CGA valves designed for professional compressed gas systems across industrial, medical, beverage, and specialty gas applications. Our team brings decades of experience in the gas industry, helping distributors, plant managers, and equipment integrators identify the right valve configuration for their cylinders, regulators, and system requirements.
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Our inventory includes compressed gas cylinder valves for a wide range of gases, including acetylene, breathing air, chlorine, CO2, oxygen, hydrogen, propane, medical oxygen, inert gases, nitrous oxide, RPV (residual pressure valves), SCBA, sulfur hexafluoride, and more. These valves are designed for reliable shutoff, safe gas control, and compatibility with CGA outlet standards, supporting both high-pressure and specialty gas service environments.
Whether you are sourcing valves for industrial gas distribution, welding operations, medical oxygen systems, propane equipment, or breathing air cylinders, our catalog provides a broad selection of CGA-standard valves, safety devices, and valve components built for professional service environments.
Choose your compressed gas valve type from the categories below to explore specifications, compatibility, and available configurations in more detail.
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Acetylene Valves (22)
Acetylene valves are critical components used on compressed gas cylinders for welding, cutting, and industrial fuel gas applications. These valves regulate the safe release of acetylene from cylinders while maintaining compliance with industry standards for high-pressure gas systems.Explore Further (click to learn more):
All Safe Global supplies acetylene cylinder valves designed for professional service environments, including industrial gas distributors, welding suppliers, cylinder refurbishers, and equipment manufacturers. These valves are engineered for reliable shutoff, precise gas-flow control, and long service life under demanding operating conditions. Our selection includes acetylene tank valves, replacement cylinder valves, and service valves used in oxy-acetylene cutting systems, fabrication shops, and industrial gas distribution networks. Each valve is built for compatibility with standard acetylene cylinders and designed to support safe handling, storage, and transport of dissolved acetylene gas. Add to quote to select, and choose the quantity on the quote form. This allows distributors, service centers, and OEM buyers to quickly request pricing for the exact valve configuration required. Whether you are replacing worn cylinder valves, building new acetylene cylinders, or supporting welding gas distribution, these valves are designed to deliver dependable performance in professional gas service operations. -
Breathing Air Valves (12)
Breathing Air Valves for SCBA, Industrial Safety, and High-Pressure Air Cylinders Breathing air valves are critical components used on SCBA cylinders, industrial breathing air systems, and high-pressure compressed air cylinders where reliability, safety, and regulatory compliance are essential. These valves control the safe storage and controlled release of breathing-grade air used in fire rescue, confined-space entry, emergency response, and industrial safety operations.Explore Further (click to learn more):
The breathing air valves in this category are designed for high-pressure cylinder service, typically supporting SCBA cylinders and breathing air systems used by fire departments, industrial safety teams, and life-safety professionals. Many options include durable valve bodies, precision threads, and safety-focused designs intended to perform reliably under demanding operational conditions. When selecting a valve, buyers often evaluate CGA connection types, pressure ratings, cylinder compatibility, and regulatory compliance requirements to ensure the valve matches the intended breathing air cylinder and application. To request pricing or availability, add products to your quote request directly from the catalog. Add to quote to select, and choose the quantity on the quote form. -
Chlorine Valves (2)
Chlorine valves are specialized cylinder valves designed for the safe handling, storage, and controlled release of chlorine gas used in industrial, municipal, and water treatment applications. Because chlorine is highly reactive and hazardous, these valves must meet strict material, sealing, and compatibility requirements to ensure safe operation in pressurized cylinder systems.Explore Further (click to learn more):
At All Safe Global, we supply chlorine cylinder valves and related gas control components used by industrial gas distributors, water treatment facilities, chemical processors, and safety-focused operations that require dependable chlorine handling equipment. These valves are typically designed for ton containers or chlorine cylinders, with configurations such as 660 or 820-inlet connections, corrosion-resistant materials, and precise sealing surfaces engineered for chlorine service environments. Add to quote to select, and choose the quantity on the quote form. Our catalog allows distributors and industrial buyers to quickly identify compatible chlorine valves, chlorine cylinder valve assemblies, and replacement components used in professional gas handling systems. Each valve listed here is intended for professional compressed gas service environments where reliability, compatibility, and compliance with industry standards are critical for safe chlorine storage and transfer operations. -
CO2 Valves (21)
CO2 cylinder valves regulate the flow and safe storage of carbon dioxide in compressed gas cylinders used across beverage, industrial, and specialty gas applications. This category includes CGA320 CO2 valves designed for UNF and NGT cylinder connections, supporting common configurations used in beverage carbonation systems, welding supply chains, and industrial gas distribution.Explore Further (click to learn more):
All Safe Global supplies CO2 cylinder valves built for durability, pressure containment, and reliable operation in high-pressure gas environments. These valves are commonly installed on refillable CO2 cylinders used for draft beer systems, soda dispensing, cold brew and nitro coffee equipment, fire suppression systems, and industrial gas handling. Proper valve selection ensures compatibility with regulators, cylinder neck threads, and required pressure ratings. The products listed here include CGA320 CO2 valves for UNF and NGT cylinders. If the CO2 valve size or pressure rating you need is not listed, our team can help source or configure the appropriate valve for your cylinder specification. To request pricing or availability, add products to your quote and choose quantity on the quote form. For custom configurations or bulk distributor orders, contact our team for assistance. -
CO2/Oxygen Mix Valves (1)
CO2/Oxygen Mix Valves are specialized compressed-gas cylinder valves designed for systems that require a controlled blend of carbon dioxide (CO2) and oxygen (O2). These valves are commonly used in medical gas delivery, respiratory therapy equipment, laboratory gas systems, and specialty gas distribution environments where precise gas handling and safe cylinder operation are critical.Explore Further (click to learn more):
At All Safe Global, our CO2/O2 mix valves are engineered for reliable cylinder performance, compatibility with industry-standard CGA connections, and dependable gas flow control. These valves are designed to support high-pressure cylinders, gas regulators, and medical or specialty gas distribution systems where compliance and operational safety matter. Professionals working with compressed gas distributors, medical supply companies, and specialty gas equipment providers depend on durable valve components that meet strict operational requirements. Our inventory supports a range of cylinder service applications, replacement valves, and system builds used across healthcare, laboratory, and industrial environments. Add to quote to select, and choose the quantity on the quote form. This allows your team to quickly draft a pricing request when sourcing CO2/O2 mix cylinder valves, replacement gas valves, or compatible compressed-gas components for your operation. -
Hydrogen Valves (11)
Hydrogen valves are specialized cylinder valves engineered for the safe storage, transport, and controlled release of high-pressure hydrogen gas in industrial, energy, and specialty gas applications. Because hydrogen molecules are extremely small and highly diffusive, valves used in hydrogen service must be designed with precise sealing surfaces, compatible materials, and reliable pressure management to prevent leakage and ensure safe operation.Explore Further (click to learn more):
At All Safe Global, this category includes hydrogen cylinder valves designed for compressed gas distributors, hydrogen fueling infrastructure, specialty gas suppliers, research labs, and industrial operations that require dependable gas control components. These valves are built for use with high-pressure hydrogen cylinders, helping maintain safe flow control, system integrity, and regulatory compliance in demanding environments. You can review available valve models and specifications below. Add to quote to select, and choose the quantity on the quote form. This allows distributors, engineers, and purchasing teams to quickly request pricing or availability for the hydrogen valve configurations that match their cylinder or system requirements. Whether you are sourcing components for hydrogen gas distribution, energy applications, or specialty gas systems, these valves are designed to deliver reliable sealing, safe operation, and long service life in professional compressed-gas environments. -
LP/Propane + CNG Valves (47)
LP, Propane, and CNG Valves for Cylinder and Tank Applications. All Safe Global supplies LP propane valves, CNG valves, and related cylinder valve components designed for safe, compliant operation in propane, compressed natural gas (CNG), and alternative-fuel systems. These valves are used across DOT cylinders, ASME tanks, propane cylinders, and CNG storage systems in industrial, energy, transportation, and fuel distribution environments.Explore Further (click to learn more):
Our selection includes liquid withdrawal valves, service valves, OPD valves, relief valves, and tank valves with industry-standard thread types such as POL, NGT, and NPT connections. Many models include dip tubes, pressure relief devices, and high-pressure sealing components designed to support safe fuel storage, transfer, and delivery. These valves are commonly specified by propane distributors, cylinder refurbishers, equipment manufacturers, and gas service providers who require reliable components built for regulated environments. Add to quote to select, and choose the quantity on the quote form. This allows you to request pricing and availability for specific valve models and configurations. All Safe Global provides industrial-grade LP/propane/CNG valve solutions built for dependable service, regulatory compliance, and long-term equipment reliability. -
Medical Oxygen Valves (21)
Medical oxygen valves are critical components used on compressed oxygen cylinders in healthcare, emergency response, and clinical environments. These valves regulate the safe storage and controlled release of medical-grade oxygen and are engineered to meet strict safety and compliance standards used throughout the medical gas industry.Explore Further (click to learn more):
At All Safe Global, we supply a range of medical oxygen cylinder valves designed for reliability, compatibility, and long service life. Typical applications include hospital oxygen systems, EMS oxygen cylinders, respiratory therapy equipment, and medical gas distribution systems. Many valves incorporate industry-standard connections such as CGA870 or CGA540 configurations, enabling proper integration with oxygen regulators, flow meters, and medical oxygen delivery equipment. These valves are manufactured for high-pressure oxygen service, with precision-machined bodies, oxygen-clean internal components, and durable seals designed for repeated use in professional environments. Add to quote to select, and choose the quantity on the quote form. Our catalog allows distributors, healthcare equipment providers, and medical gas suppliers to easily identify the correct valve specifications and request pricing for the quantities required. Selecting the correct medical oxygen valve helps ensure safe oxygen handling, regulatory compliance, and dependable performance in clinical and emergency applications. -
Inert Gas Valves (32)
Inert gas valves are designed for the safe storage, control, and distribution of non-reactive compressed gases such as nitrogen, argon, and helium. These valves are commonly installed on high-pressure cylinders used in welding, industrial processing, laboratories, specialty gas supply, and beverage applications where reliable gas control is critical.Explore Further (click to learn more):
All Safe Global supplies durable, precision-engineered inert gas cylinder valves built for professional service environments. Typical configurations include CGA-580 valve connections, high-pressure service compatibility, and materials designed to withstand repeated filling and handling in industrial gas operations. Proper valve selection helps ensure safe gas containment, consistent flow control, and compatibility with regulators and downstream equipment. Add to quote to select, and choose the quantity on the quote form. Many customers use this system to build a list of valves for bulk orders, distributor purchasing, or cylinder refurbishment projects. Whether you are sourcing valves for compressed gas distributors, cylinder refurbishment operations, welding suppliers, or laboratory gas systems, these inert gas valves are designed to support reliable cylinder performance and compliance with standard practices for compressed-gas equipment. -
Nitrous Oxide Valves (25)
Nitrous Oxide Cylinder Valves for Compressed Gas Systems. Nitrous oxide valves are specialized compressed gas cylinder valves designed for N₂O service, commonly used in medical gas systems, food processing, specialty gas distribution, and industrial applications. These valves are engineered to provide reliable gas control, pressure containment, and secure cylinder connections for nitrous oxide cylinders operating in regulated-pressure environments.Explore Further (click to learn more):
This category includes nitrous oxide cylinder valves designed to be compatible with standard CGA connections and high-pressure gas cylinders, supporting safe handling, transport, and dispensing of N₂O gas. Typical buyers include industrial gas distributors, cylinder requalification facilities, medical gas suppliers, and specialty gas equipment providers who require durable, compliant components for compressed gas infrastructure. All valves are designed for professional service environments where safety, reliability, and regulatory compliance matter, including applications requiring dependable shutoff control and long service life under demanding operating conditions. Add to quote to select, and choose the quantity on the quote form. This allows distributors and equipment buyers to efficiently request pricing for the nitrous oxide valves required for their cylinder inventory or gas distribution systems. -
Oxygen Valves (26)
Oxygen cylinder valves are critical components for safely controlling the storage, transport, and delivery of compressed oxygen in industrial, medical, and specialty gas applications. These valves regulate gas flow from high-pressure cylinders and are manufactured to meet strict CGA connection standards, pressure ratings, and safety requirements for oxygen service.Explore Further (click to learn more):
This category includes oxygen valves designed for compressed gas cylinders, commonly used by industrial gas distributors, medical suppliers, welding operations, and cylinder service centers. Typical configurations include CGA540 oxygen cylinder valves, residual pressure valve (RPV) designs, and other high-pressure valve assemblies engineered for reliability in professional service environments. All oxygen valves listed here are built for compatibility with standard oxygen cylinders, regulators, and compressed gas systems, helping ensure safe gas handling and dependable operation across demanding applications. To request pricing or availability: Add to quote to select, and choose the quantity on the quote form. This allows distributors, service centers, and OEM buyers to request accurate quotes for the oxygen valves required for their specific cylinder configurations. Selecting the correct valve helps maintain system safety, regulatory compliance, and long-term cylinder performance in oxygen service environments. -
RPV Valves (22)
Residual Pressure Valves (RPV valves) are specialized compressed gas cylinder valves designed to maintain positive internal pressure inside the cylinder, helping prevent contamination from moisture, particulates, or atmospheric gases during handling, storage, and transport. These valves are commonly used in industrial gas distribution, welding and cutting operations, medical gas supply, laboratory environments, and specialty gas applications where cylinder purity and safety are critical.Explore Further (click to learn more):
RPV valves function by automatically retaining a small amount of residual pressure after the cylinder is emptied, which helps protect the cylinder interior and downstream gas systems from contamination. This feature supports cylinder lifecycle management, regulatory compliance, and gas purity control across demanding professional environments. At All Safe Global, our RPV valves are built for reliable service in compressed gas cylinders, supporting applications that require consistent performance, contamination prevention, and durable valve construction. These valves are commonly used with industrial, specialty, and medical gas cylinders and are designed to integrate with standard cylinder configurations and service environments. Add to quote to select, and choose the quantity on the quote form. Our quoting system allows distributors, technicians, and procurement teams to efficiently request pricing for the RPV valve models and specifications required for their cylinder programs. -
SCBA Valves (7)
SCBA Valves for Breathing Air Cylinders SCBA valves are critical components used in self-contained breathing apparatus (SCBA) cylinders for fire service, emergency response, and industrial safety applications. These valves regulate high-pressure breathing air stored in cylinders and provide a secure connection point for regulators and SCBA systems used in hazardous environments.Explore Further (click to learn more):
All Safe Global supplies professional-grade SCBA cylinder valves designed for compatibility with breathing air cylinders used in firefighting, rescue operations, confined-space entry, and other life-safety applications. These valves are engineered for high-pressure compressed air service, reliable shutoff, and consistent performance in demanding safety environments where equipment reliability and compliance are essential. Our selection includes breathing air valves, SCBA cylinder valves, and related high-pressure valve configurations used across fire departments, industrial safety programs, and compressed gas distributors. Each valve is built for durability and dependable operation in professional service environments. Add to quote to select, and choose the quantity on the quote form. This allows you to request pricing or availability for the specific SCBA valves your operation requires. -
Sulfur Hexafluoride Valves (10)
Sulfur Hexafluoride (SF₆) cylinder valves are specialized valves designed for the safe storage, transport, and controlled release of SF₆ gas in high-pressure cylinders. These valves are commonly used in electrical power transmission, gas handling, testing environments, and industrial applications where sulfur hexafluoride is used for insulation, arc suppression, and dielectric protection.Explore Further (click to learn more):
All Safe Global supplies SF₆ valves built for reliability, regulatory compliance, and professional service environments. These valves are engineered to support high-pressure gas cylinders, compatible CGA connections, and precision gas control, helping utilities, laboratories, and gas distributors maintain safe and consistent operations. Typical applications include:- Electrical switchgear insulation and maintenance
- Gas recovery and handling systems
- Industrial gas distribution
- Laboratory testing and calibration
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Valve Components + Parts (84)
Valve components and valve replacement parts are critical for maintaining the safety, reliability, and service life of compressed gas cylinders and valves used in industrial gas, beverage, medical, and specialty gas applications.Explore Further (click to learn more):
This category includes valve hardware, repair parts, and service components used to maintain or rebuild cylinder valves across multiple gas service environments. Typical components may include nuts, nipples, washers, seals, fittings, and other valve service parts designed for professional maintenance, refurbishment, and replacement. These parts support systems used with CO₂, oxygen, inert gases, propane, CNG, medical gases, and other compressed gas applications. Industrial distributors, cylinder service centers, and equipment technicians rely on precision valve components to ensure safe operation, proper sealing, and compliance with industry standards. Using the correct valve parts helps maintain pressure integrity, gas compatibility, and long-term equipment performance in demanding service environments. Add to quote to select, and choose the quantity on the quote form. This allows distributors and buyers to request pricing for the specific valve components and replacement parts required for their application or service operation. -
Valve Safeties (47)
Valve safeties are critical safety components used to protect compressed gas cylinders and valve assemblies from overpressure and unsafe operating conditions. In industrial gas, medical gas, beverage systems, and specialty gas applications, valve safety devices and pressure relief components help ensure cylinders operate within approved pressure limits and meet regulatory safety standards.Explore Further (click to learn more):
This category includes valve safety devices, pressure relief mechanisms, burst discs, and related safety components used with compressed gas cylinder valves. These components are commonly used across industrial gas distribution, beverage and CO₂ systems, medical oxygen equipment, propane and fuel gas systems, and specialty gas applications where pressure protection and compliance are essential. Professionals such as gas distributors, equipment manufacturers, safety managers, and maintenance technicians rely on valve safeties to support DOT-compliant cylinder operation, safe gas handling, and reliable system performance. When reviewing available options, add items to your quote to select the valve safeties you need, then choose quantity on the quote form to request pricing and availability for your specific application.
FREQUENTLY ASKED QUESTIONS
What are CGA cylinder valves used for in compressed gas systems?
Compressed gas CGA cylinder valves control the safe storage and release of gas from pressurized cylinders.
CGA valves are the primary shutoff and connection point on a compressed gas cylinder. They regulate gas flow between the cylinder and downstream equipment such as regulators, hoses, and dispensing systems.
Different gases require different valve outlet connections and materials to ensure compatibility and safety. Industrial buyers typically select valves based on gas type, CGA outlet specification, pressure rating, and cylinder compatibility to maintain compliance and safe operation in their systems.
How do I choose the correct cylinder valve for a specific gas?
The correct cylinder valve is determined by the gas type, CGA outlet specification, pressure rating, and cylinder thread configuration.
Each compressed gas has an assigned CGA connection standard designed to prevent cross-connection between incompatible gases. For example, oxygen, CO2, inert gases, and propane all use different outlet specifications.
When selecting a valve, buyers typically confirm the gas service, required CGA outlet number, pressure rating, and cylinder neck thread to ensure compatibility with regulators and safety devices used in the system.
What gases require specialized cylinder valves?
Many compressed gases require specialized valves, including oxygen, acetylene, chlorine, hydrogen, CO2, propane, nitrous oxide, and sulfur hexafluoride.
These gases have unique physical and chemical properties that require specific valve materials, seals, and outlet designs. For example, oxygen valves require materials compatible with oxidizing environments, while chlorine valves must withstand corrosive gas conditions.
Specialized valves also help prevent connection errors by using unique CGA outlet configurations, which improve safety in industrial and medical gas environments.
What is a residual pressure valve (RPV) and why is it used?
A residual pressure valve (RPV) maintains a small positive pressure inside a cylinder to prevent contamination when the cylinder is empty.
RPVs are commonly used in medical and specialty gas cylinders where gas purity is critical. By maintaining internal pressure, the valve prevents ambient air or moisture from entering the cylinder.
This helps maintain gas purity, reduce contamination risk, and simplify cylinder refilling operations for gas distributors and refill facilities.
Are different valves required for oxygen and medical oxygen cylinders?
Yes, oxygen and medical oxygen cylinders require valves designed specifically for oxygen service and CGA-approved outlet connections.
Oxygen valves must use materials and cleaning processes compatible with high-purity oxygen environments to reduce ignition risk. Medical oxygen systems also follow strict regulatory and safety standards.
Distributors and healthcare equipment providers typically select valves that meet CGA specifications and medical gas compatibility requirements to ensure safe use in hospitals, clinics, and emergency response equipment.
What are SCBA and breathing air cylinder valves used for?
SCBA and breathing air cylinder valves control airflow from high-pressure cylinders used in life-safety and respiratory protection systems.
These valves are commonly installed on cylinders used by firefighters, emergency responders, industrial safety teams, and confined-space workers. They must handle high pressure while allowing controlled airflow to regulators and breathing apparatus.
In these applications, reliability is critical because valves support respiratory protection equipment used in hazardous environments.
Why do different gases use different CGA valve outlet connections?
Different CGA outlet connections are used to prevent accidental cross-connection between incompatible gases.
Each gas service has a standardized CGA outlet number that ensures regulators and hoses only connect to the correct gas cylinder. This design prevents dangerous mixing of gases or incorrect equipment connections.
For industrial distributors and gas suppliers, these standards help maintain consistent safety practices across filling plants, warehouses, and customer installations.
What industries commonly use compressed gas cylinder valves?
Compressed gas cylinder valves are widely used in industrial gas distribution, welding and fabrication, medical gas supply, beverage dispensing, and safety equipment systems.
Industrial facilities rely on cylinder valves for gases used in cutting, shielding, testing, and manufacturing processes. Medical suppliers use specialized valves for oxygen and respiratory gases.
They are also common in beverage carbonation systems, propane equipment, laboratory environments, and fire-safety breathing air systems.
Can cylinder valves be replaced or upgraded on existing gas cylinders?
Yes, cylinder valves can typically be replaced or upgraded by qualified technicians during cylinder maintenance or requalification.
Valve replacement may be required due to wear, regulatory updates, contamination, or system upgrades. Gas distributors and cylinder service centers often perform valve replacement as part of routine cylinder maintenance.
The replacement valve must match the cylinder thread type, pressure rating, and intended gas service to maintain compliance and safe operation.
What should distributors look for when sourcing compressed gas cylinder valves?
Distributors should evaluate gas compatibility, CGA outlet standards, pressure ratings, valve construction materials, and supplier reliability.
Valve selection affects safety, regulatory compliance, and system performance. Buyers often prioritize valves that meet recognized industry standards and integrate easily with existing regulators and cylinder configurations.
Working with experienced suppliers helps ensure the selected valves are compatible with common cylinder types, filling operations, and downstream equipment used in compressed gas distribution.

