產品型號：Q971F
產品名稱：電動超短型球閥
產品特點：該閥由DCL系列精小型電動執行器與超短球閥組成，和普通電動球閥相比具有結構緊湊，體積小，重量輕，閥座與端面法蘭距離近，物料滯留少。密封性能*等特點。通常適用于密封要求嚴格的場合，廣泛應用于化工、石油、制藥、輕工等行業的自動控制。采用V型通道球體結構與電子式電動執行器配套可實現流量的調節。電動超短型球閥,電動球閥,超短型球閥。
Model: Q971F
Product Name: Electric short ball valve
Features: The valve on the winning numbers from the DCL series fine small electric valve actuators and short form, and ordinary electric valve compared with a compact, small size, light weight, seat and end flange from the past, materials stay small. Superior sealing performance characteristics. Usually for demanding sealing applications, widely used in chemical, petroleum, pharmaceutical, light industry automatic control. V-shaped channel structure and electronic sphere of electric actuators can achieve flow regulation. Electric short ball valves, electric ball valve, ball valve type short.
二、主要外形和連接尺寸單位（mm）Main external and connecting dimensions：
| Q971F-16 |
| 通徑DN | d | L | D | K | D1 | n-Md | f | H | W |
| mm | in |
| 15 | 1/2″ | 14 | 35 | 90 | 65 | 46 | 4-M12 | 2 | 190 | 196 |
| 20 | 3/4″ | 19 | 38 | 100 | 75 | 56 | 4-M12 | 2 | 195 | 196 |
| 25 | 1″ | 24 | 42 | 110 | 85 | 65 | 4-M12 | 2 | 210 | 196 |
| 32 | 1 1/4″ | 29 | 50 | 130 | 100 | 76 | 4-M16 | 3 | 220 | 196 |
| 40 | 1 1/2″ | 38 | 60 | 145 | 110 | 84 | 4-M16 | 3 | 230 | 196 |
| 50 | 2″ | 48 | 70 | 160 | 125 | 99 | 4-M16 | 3 | 265 | 196 |
| 65 | 2 1/2″ | 64 | 95 | 180 | 145 | 118 | 4-M16 | 3 | 300 | 255 |
| 80 | 3″ | 76 | 118 | 195 | 160 | 132 | 8-M16 | 3 | 325 | 255 |
| 100 | 4″ | 95 | 140 | 215 | 180 | 156 | 8-M16 | 3 | 350 | 255 |
| 125 | 5″ | 118 | 195 | 245 | 210 | 184 | 8-M16 | 3 | 375 | 255 |
| 150 | 6″ | 150 | 280 | 280 | 240 | 211 | 8-M20 | 3 | 420 | 255 |
| 200 | 8″ | 200 | 350 | 335 | 295 | 266 | 12-M20 | 3 | 460 | 255 |
結構長度：Q/OLF002-88
法蘭標準：JB79亦可按GB9113、ANSI B16.5、JIS B2212
Structure Length: Q/OLF002-88
Flange standard: JB79 also according to GB9113, ANSI B16.5, JIS B2212
一、產品概述Product Overview：
