衬氟18dj18大奖娱乐手机系列   蝶阀系列   平板18dj18大奖娱乐手机系列   球阀系列   水力控制阀系列   脱硫18dj18大奖娱乐手机系列   18dj18大奖娱乐手机系列   截止阀系列   止回阀系列  
蝶阀系列产品
中线蝶阀
中线蝶阀1
法兰中线蝶阀
伸缩蝶阀
软密封偏心法兰蝶阀
蝶形止回阀
全塑蝶阀
沟槽式蝶阀
 
伸缩蝶阀
用途User
本蝶阀适用温度≤80℃,用于石油、化工食品医药轻纺、造纸、电力、给排
水、气体管路上,作调节流量和截流介质的作用,具有补偿管道热胀冷缩的功能。
This butterfly valve,with the suitable temperatu re as=80℃,is used for the pipeline of petroleum,chemical,food,medicine,ight&textile,paper-makin9,water supply and drainage,gas for the flow adjustment and medium cut-off and holds the function to compensate heat-expansion cold-contraction of the pipeline
特点Characteristic
1、设计新颖、合理、结构独特、重量轻、操作方便、起闭迅速。
2、本伸缩蝶阀既能起到调节流量和截流作用,又能补偿管道温差,所产生的热胀冷缩功能,同时也便于安装和拆卸,为一阀多用产品。
1 Brand-new and reasonable design,unique structure,light weight,easy operation,quick open-close.
2 This telescopic butterfly valve can act as flow adjustment and cut-off and also compensate the heat-expansion cold-contraction of the pipeline caused due to temperature difference and is conveniently mountable and removable,as an one-valve muIti-purposes product
安装注意事项Precautions in installation
1、本蝶阀安装前必须清洗内腔杂物。
2、本阀可有一定范围内伸缩,安装前必须松开伸缩部位的密封垫压盖,然后待本18dj18大奖娱乐手机与管道所需要的长度后,再锁紧伸缩密封压盖。
1 Clear out the impurities inside of the internal cavity before to install this butterfly valve.
2 This valve is stretchable in a certain range and,before installation,the sealing pad of the stretching part shall be loosened and,then,whlength is set for both valve and pipeline,tightened
.
名称Name 材料Material
阀体body 铸铁、球墨铸铁、铸钢、不锈钢 Cast iron,ductile iron,cast steel stainless steel
阀板Disc 铸铁、球墨铸铁、铸钢、不锈钢 Cast iron,ductile iron,cast steel stainless steel
阀杆stem 2Cr13、不锈钢衬 Stainless steel lined
密封圈seat 耐磨橡胶、丁腈橡胶等wearable rubber,NBR etc.
填料packing 丁腈橡胶V型垫、柔性石墨V-type pad of NBR,flexible graphite

法兰连接尺寸和主要外形尺寸Flange size and main dimensions

公称通径DN L L2 L1 D D Z-d H1 H2
50 158 168 178 165 125 4-19 80 155
60 164 174 185 185 145 4-19 80 155
80 168 178 200 200 160 8-19 97 173
100 181 193 220 220 180 8-19 110 220
125 196 203 250 250 210 8-19 125 255
150 198 213 285 285 240 8-23 143 258
200 213 228 340 340 295 8-23 170 310
250 230 242 395 395 350 12-23 200 355
300 241 258 445 445 400 12-23 225 380
350 256 278 505 505 460 16-23 253 422
400 287 312 565 565 515 16-28 281 486
450 295 325 615 615 565 20-28 308 497
500 310 330 670 670 620 20-28 335 560
600 343 364 780 780 725 20-31 390 715
700 394 414 895 895 840 24-31 483 782
800 405 428 1015 1015 950 24-34 543 882
900 410 435 1115 1115 1050 28-34 606 925
1000 530 560 1230 1230 1160 28-37 655 1000
1200 570 602 1455 1455 1380 32-40 778 1087
1400 630 665 1675 1375 1590 36-43 912 1350
1600 720 730 1915 1915 1820 40-49 1032 1475
1800 800 845 2112 2115 200 44-49 1154 1670
2000 910 1010 2325 2325 2230 48-49 1295 1780