File:141-R piston valve.jpg
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![File:141-R piston valve.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/141-R_piston_valve.jpg/800px-141-R_piston_valve.jpg?20170704115252)
Size of this preview: 800 × 566 pixels. Other resolutions: 320 × 226 pixels | 640 × 453 pixels | 1,024 × 724 pixels | 1,280 × 905 pixels | 2,121 × 1,500 pixels.
Original file (2,121 × 1,500 pixels, file size: 685 KB, MIME type: image/jpeg)