In a branch circuit with DCVs and cylinders, which should be placed upstream of all branch components?

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Multiple Choice

In a branch circuit with DCVs and cylinders, which should be placed upstream of all branch components?

Explanation:
Lubrication of compressed air is essential to keep DCVs and cylinders moving smoothly by reducing friction, wear, and stick-slip of seals and pistons. If a lubricator sits upstream of all branch components, the oil mist rides with the air to every downstream valve and cylinder, coating surfaces and extending life while improving sealing and response. The other options serve different roles: a regulator sets pressure, a filter cleans air, and a muffler handles exhaust noise. Placing the lubricator upstream ensures every branch downstream receives lubrication, which is why it’s the best choice.

Lubrication of compressed air is essential to keep DCVs and cylinders moving smoothly by reducing friction, wear, and stick-slip of seals and pistons. If a lubricator sits upstream of all branch components, the oil mist rides with the air to every downstream valve and cylinder, coating surfaces and extending life while improving sealing and response. The other options serve different roles: a regulator sets pressure, a filter cleans air, and a muffler handles exhaust noise. Placing the lubricator upstream ensures every branch downstream receives lubrication, which is why it’s the best choice.

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