FIELD: fluid valves.
SUBSTANCE: present invention relates to fluid valves, and more specifically to composite valve plungers. The device comprises a valve plunger tip (116), a valve plunger body (114), and an additive applied material (118). The valve plunger tip has a head portion (238) and a tail portion (240) protruding from the head portion. The valve plunger body has a cavity (270) extending from the first end (216) of the valve plunger body to the second end (218) of the valve plunger body. The hollow part of the body accommodates the mated tail portion of the valve plunger tip. The additive applied material is attached to the valve plunger body to fix the tail end of the valve plunger tip in the valve plunger body.
EFFECT: invention is aimed at creating valve plungers with valve plunger tips that are both securely fixed and resistant to breakage, which results in extending the service life of the valve plunger and the valve.
20 cl, 9 dwg
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