| 摘要 |
PROBLEM TO BE SOLVED: To provide a well pump easily installable without lowering a pump performance, with a low cost and excellent anti-corrosiveness. SOLUTION: The delivery port of a well pump is formed at the bottom part of a pressure tank, and a delivery tube having a flange part at the end face thereof is formed so that the direction thereof can be changed by 360 deg. about the delivery port. Thus, a pressure tank manufacturing time can be reduced. Also, a corrosion can be suppressed. In addition, lowering of pump delivery rate can be suppressed by suppressing an increase in water flow resistance by connection parts.
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