Parva Brazil valves are commonly used in South America on pressurized containers of chlorine or sulfur dioxide.
Powell Valve Closure Systems (Shut Off Systems) are compatible with these Parva Brazil valves and with most other valves found on 1-Ton containers or 150 lb cylinders containing pressurized hazardous gases.
Other valves compatible with Powell Valve Closure Systems include but are not limited to:
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