| 摘要 |
PROBLEM TO BE SOLVED: To provide a lever float type drain trap capable of eliminating the foreign matters adhered to an orifice. SOLUTION: The orifice 22 having an opening area through which the drain produced when air is fed into a pipe system cannot be fully discharged is formed in a valve element 15 at the lower part of a valve chamber 6. A foreign matter eliminating member 24 for eliminating the foreign matters adhered to the orifice 22 by advancing into the orifice 22 when a float 12 is floated and the valve element 15 is separated from a valve seat 9 through a lever 11 is attached to a body 1. An operating member 25 is provided so as to be advanced and retreated through threads from the outside of a cover body 4 to and from the lever 11 side. The operating member 25 and the lever 11 are normally separated from each other. When the operating member 25 is screwed, the operating member 25 is brought into contact with the lever 11 to separate the valve element 15 from the valve seat 9, and the foreign matter eliminating member 24 is advanced into the orifice 22. COPYRIGHT: (C)2011,JPO&INPIT
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