SD341X-硬密封伸缩蝶阀-永嘉宗力阀门制造有限公司手机版

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硬密封伸缩蝶阀用途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*、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 escopic 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，然后待本阀门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

硬密封伸缩蝶阀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

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