中国台湾荣牌闸阀（gate valve）的启闭件是闸板，闸板的运动方向与流体方向相垂直，闸阀只能作全开和全关，不适门参数而异 , 通常为 5°, 介质温度不高时为 2°52‘。改善其工艺性 , 弥补密封面角度在加工过程中产生的偏差 , 这种闸板叫做弹性闸板。
| Bill of Materials & Parts |
PRAT NO. | Part Name | QTY | ASTM Specifications(Specs.-Grades/Types) | 1-1 | BODY | 1 | A216-WCB | 1-2 | SEAT RING | 1 | SLITE HARD FACED | 2 | BONNET | 1 | A216-WCB | 3 | DISC | 1 | A216-WCB+H/F 304 | 4 | GASKET | 1 | NON ASBESTOS SHEET | 5 | STUB | 1 | A307-B | 6 | NUT | 1 | A194-2H | 7 | HAND WHEEL | 1 | A536 | 8 | STEM | 1 | 13Cr(410) | 9 | GALND FLANGE | 1 | A216-WCB | 10 | GALND PACKING | 1 | NON ASBESTOS | 11 | BELLOWS | 1 | A216-316 |
| NOTE: | (1)Operated Temp 350℃ Max | | (2)Other Materials Also Available on Requested. | | (3)Tong Kwang Reserves The Right To Change Designs , Materials Or Specifications Without Notice |
| SIZE | D | L | D1 | H | 1/2 | 3.74 | 5.98 | 5.9 | 8.0 | 3/4 | 4.61 | 7.01 | 5.9 | 9.1 | 1 | 4.88 | 7.99 | 7.1 | 9.3 | 1-1/4 | 5.24 | 8.50 | 7.9 | 11.3 | 1-1/2 | 6.14 | 9.02 | 8.7 | 11.8 | 2 | 6.50 | 10.51 | 11.0 | 12.5 | 2-1/2 | 7.50 | 11.50 | 11.8 | 13.0 | 3 | 8.27 | 12.52 | 12.6 | 15.8 | 4 | 10.00 | 14.02 | 13.8 | 16.4 | 5 | 11.00 | 15.75 | 15.7 | 18.4 | 6 | 12.52 | 17.48 | 19.7 | 20.7 | 8 | 15.00 | 22.01 | 21.7 | 24.1 | 10 | 17.52 | 24.49 | 23.6 | 29.5 | 12 | 20.51 | 27.99 | 27.6 | 32.3 |
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