产品型号：Q971F
产品名称：电动超短型球阀
产品特点：该阀由DCL系列精小型电动执行器与超短球阀组成，和普通电动球阀相比具有结构紧凑，体积小，重量轻，阀座与端面法兰距离近，物料滞留少。密封性能优越等特点。通常适用于密封要求严格的场合，广泛应用于化工、石油、制药、轻工等行业的自动控制。采用V型通道球体结构与电子式电动执行器配套可实现流量的调节。电动超短型球阀,电动球阀,超短型球阀。
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、主要外形和连接尺寸单位（mm）Main external and connecting dimensions：
| Q971F-16 |
| 通径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 |
结构长度：Q/OLF002-88
法兰标准：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、产品概述Product Overview：
