| 摘要 |
PURPOSE:To reduce the loss of material, by fixing simultaneously together a fitting plate and a pipe which is arranged inside the through hole provided in the fixing plate to the opening part of a valve box. CONSTITUTION:In the center of a fitting plate 1c which is used for fitting a valve to machineries being separate from the valve box 1, a through hole 1e being commonly used for fixing, and for positioning and guiding, and fitting holes 1d are provided. A ring-shaped projection 1f is provided on the opening 1b at the one end of the flow passage 1a of the valve box 1, and a flow pipe 2 of fluid being a copper tube is inserted into the bore of this projection 1f and further the through hole 1e of the fitting plate 1c is externally inserted on the outside diameter of the ring-shaped projection 1f. Materials such as silver solder, phosphor bronze solder, or the like are deposited in depressions 3, and the flow pipe 2 of the valve box 1 and the fitting plate 1c are simultaneously fixed by heating.
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