Foam concentrate pumps shall have means for flushing. Which statement best reflects this requirement?

Foam concentrate pumps shall have means for flushing. Which statement best reflects this requirement?

• A. True.
• B. False.
• C. Only for certain foam types.
• D. Not required.

Answer: (A)

Foam concentrate pumps must have a way to flush the system so residual concentrate and air can be purged from the pump and discharge piping. This facility is required to keep the pump and lines clean, prevent concentration or fouling buildup, and ensure the system is ready for operation after testing or maintenance. A flushing path (such as a bypass or dedicated flushing connection with drains) lets you circulate clean water through the pump and lines to remove any residual foam concentrate before the next service or deployment. Because this requirement is a general need for foam systems—applying regardless of foam type—the statement that there is a means for flushing is the correct one.

Foam concentrate pumps must have a way to flush the system so residual concentrate and air can be purged from the pump and discharge piping. This facility is required to keep the pump and lines clean, prevent concentration or fouling buildup, and ensure the system is ready for operation after testing or maintenance. A flushing path (such as a bypass or dedicated flushing connection with drains) lets you circulate clean water through the pump and lines to remove any residual foam concentrate before the next service or deployment.

Because this requirement is a general need for foam systems—applying regardless of foam type—the statement that there is a means for flushing is the correct one.