A flapper valve, also known as a beam valve,...

Question 1 / 270705eccef9dbacbc34ba4d45f52

Question 1 of 270705eccef9dbacbc34ba4d45f52

A flapper valve, also known as a beam valve, is frequently used in refrigeration compressor discharge valves, and is used for what purpose?

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Question 1 of 27070

A flapper valve, also known as a beam valve, is frequently used in refrigeration compressor discharge valves, and is used for what purpose?

🔍 Key Concepts

• Function of discharge valves in refrigeration compressors • How liquid slugging affects compressor valves and pistons • Difference between pressure control/equalization devices and simple mechanical check-type valves

💭 Think About

• Which option best matches a simple mechanical action of a thin, flexible plate opening and closing with flow, rather than a control or regulating function? • Think about what happens if liquid refrigerant accidentally enters the cylinder on the discharge stroke—what kind of valve feature would help protect the compressor? • Which options describe system-wide control functions (pressure equalization, capacity control, defrost) that are usually handled by separate control valves rather than by a small discharge check valve?

✅ Before You Answer

• Identify which choice relates directly to protecting the compressor itself rather than controlling the system cycle • Ask whether a flapper/beam valve can realistically meter or regulate pressure between lines, or if it mainly opens/closes with flow • Eliminate any options that normally require separate control valves and piping, not just a simple discharge valve design

Question 1 of 27070

A flapper valve, also known as a beam valve, is frequently used in refrigeration compressor discharge valves, and is used for what purpose?

feed discharge pressure to the suction line for capacity control

aid in hot gas defrosting

prevent compressor damage by passing any liquid slugs

equalize system pressure for easier compressor startup

Question 1 / 270705eccef9dbacbc34ba4d45f52

Question 1 of 270705eccef9dbacbc34ba4d45f52

A flapper valve, also known as a beam valve, is frequently used in refrigeration compressor discharge valves, and is used for what purpose?

Back

Question 1 of 27070

A flapper valve, also known as a beam valve, is frequently used in refrigeration compressor discharge valves, and is used for what purpose?