LT型單夾中線蝶閥 Lugged Type Concentric Butterfly Valve  產品特點: 本蝶閥主要由閥體、轉軸、閥板、閥座及驅動機構(手柄、蝸輪蝸桿、氣動裝置或電動裝置)等組成,靠驅動機構帶動轉軸及閥板旋轉以實現啟閉和控制流量的目的。其特點如下: 結構簡單、小巧輕便,運輸、安裝、拆卸容易;90°啟閉,開關迅速。操作扭矩小,省力輕巧;密封性能好,使用壽命長,可達到零泄漏;選擇不同的零部件材質,可適用于多種介質;流量特性近似于直線,調節性能好。 A butterfly valve consists of body ,stem ,disc , actuator (manual actuator, worm-gear actuator , aerodynamic actuator or electric actuator) , and it can implement the process for turning on turning off and regulating the flow by the circumrotation of stem and disc that is droved by actuators. 1.Simple and compact construction. Small in size and light in weight. Easy transportation , installation and maintenance. 2. Quick 90 degrees on-off operation. Minimized operating torque ,energy saving. 3. Excellent sealing performance with no leakage. Long service life. 4. Wide selection of materials ,applicable for various media.. 5. Flow curve tending to straight line. Excellent regulation performance. 產品執行標準Product Standard: 設計標準Design Standard | 結構長度Face to face dimensions | 側法蘭標準Flange Standard | 試驗檢驗標準Test and check up standard | GB/T 12238 API 609 | GB/T 12221 API 609 | GB/T 17241.6 | GB/T 13927API 598 | 主要性能參數Main Performance Parameters: 公稱壓力Nominal PressurePN(MPa) | 公稱通徑NominalDiameterDN(mm) | 試驗壓力Testing Pressure(MPa) | 適用溫度Suitable Temperature°C | 適用介質Suitable Medium | 驅動方式Actuation Ways | 殼體Shell | 密封Seal | 1.0 | DN50 ~ DN1000 | 1.5 | 1.1 | -45~ 150 | 淡水、污水、海水、空氣、蒸汽、食品、藥品、各種油類、酸類、堿類等 Fresh water, Sewage, Sea water, Air,Vapor, Food, Medicine, Oils, Acids, Alkalis, etc. | 手柄、蝸輪蝸桿、電動、氣動 Manual actuator, worm-gear actuator, aerodynamic actuator and electric actuator | 1.6 | 2.4 | 1.76 | 主要連接尺寸及重量Outline Dimensions & Connection Dimensions & Weight: 規格 Size | A | B | C | D | L | H | D1 | n-M | K | E | n1-Ø1 | Ø2 | G | 重量kg Weight | mm | inch | 50 | 2″ | 161 | 80 | 42 | 52.9 | 32 | 88.38 | 125 | 4-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 118 | 3.8 | 65 | 2.5″ | 175 | 89 | 44.7 | 64.5 | 32 | 102.54 | 145 | 4-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 137 | 4.2 | 80 | 3″ | 181 | 95 | 45.2 | 78.8 | 32 | 113.14 | 160 | 4-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 143 | 4.7 | 100 | 4″ | 200 | 114 | 52.1 | 104 | 32 | 68.88 | 180 | 8-M16 | 92 | 69.85 | 4-10.3 | 15.77 | 206 | 9.0 | 125 | 5″ | 213 | 127 | 54.4 | 123.3 | 32 | 80.36 | 210 | 8-M16 | 92 | 69.85 | 4-10.3 | 18.92 | 238 | 10.9 | 150 | 6″ | 226 | 139 | 55.8 | 155.6 | 32 | 91.84 | 240 | 8-M20 | 92 | 69.85 | 4-10.3 | 18.92 | 266 | 14.2 | 200 | 8″ | 260 | 175 | 60.6 | 202.5 | 45 | 112.89 | 295 | 8-M20 | 115 | 88.9 | 4-14.3 | 22.10 | 317 | 18.2 | 76.35 | 12-M20 | 329 | 250 | 10″ | 292 | 203 | 65.6 | 250.5 | 45 | 90.59 | 350 | 12-M20 | 115 | 88.9 | 4-14.3 | 28.45 | 393 | 26.8 | 91.88 | 355 | 12-M24 | 300 | 12″ | 337 | 242 | 76.9 | 301.6 | 45 | 103.52 | 400 | 12-M20 | 140 | 107.95 | 4-14.3 | 31.60 | 462 | 40 | 106.12 | 410 | 12-M24 | 350 | 14″ | 368 | 267 | 76.5 | 333.3 | 45 | 89.74 | 460 | 16-M20 | 140 | 107.95 | 4-14.3 | 31.60 | 515 | 56 | 91.69 | 470 | 16-M24 | 400 | 16″ | 400 | 309 | 85.7 | 389.6 | 51.2 | 100.48 | 515 | 16-M24 | 197 | 158.75 | 4-20.6 | 33.15 | 579 | 96 | 72 | 102.42 | 525 | 16-M27 | 37.9 | 450 | 18″ | 422 | 328 | 104.6 | 440.5 | 51.2 | 88.38 | 565 | 20-M24 | 197 | 158.75 | 4-20.6 | 38.0 | 627 | 122 | 72 | 91.51 | 585 | 20-M27 | 42.86 | 500 | 20″ | 480 | 361 | 130.28 | 491.6 | 52.75 | 96.99 | 620 | 20-M24 | 197 | 158.75 | 4-20.6 | 41.15 | 696 | 202 | 77.5 | 101.68 | 650 | 20-M30 | 45.72 | 600 | 24″ | 562 | 459 | 151.36 | 592.5 | 70.2 | 113.42 | 725 | 20-M27 | 276 | 215.9 | 4-22.2 | 50.65 | 821 | 270 | 82 | 120.46 | 770 | 20-M33 | 53.98 | 注:1、DN50~DN600 “LT”型蝶閥分別適用于PN1.0/PN1.6MPa兩種壓力級,表中每規格中有兩個尺寸的分別表示 PN1.0/PN1.6MPa兩種壓力級連接尺寸。蝶閥上法蘭可通用于手動、蝸輪蝸桿傳動、電動、氣動等。 2、D1及n-M尺寸可按國標(GB)、標準(ISO)、美標(ANSI)、德標(DIN)、英標(BS)、日標(JIS)加工生產。E及n1-Ø1尺寸可按GB/T 12223及ISO 5211標準加工生產。Note:1、DN50~DN600 Butterfly valves are suitable for the pressure of PN1.0 and PN1.6MPa grade separay. Two dimensions in one size show the connection dimensions of PN1.0/PN1.6MPa pressure grade. The upper flanges of the valves are suitable all types of valves fitted with electric, worm-gear, manual, pneumatic and actuators. 2、The dimensions of D1 and n-M ones are manufactured according to China Standard (GB), International Standard (ISO), American Standard (ANSI), Germany Standard (DIN), England Standard (BS), and Japan Standard (JIS). The dimensions of E and n1-Ø1 ones are manufactured according to GB/T 12223 and ISO 5211 Standard. | |