QD941 cast steel pneumatic butterfly valve

   manufacturer of QD941 cast steel pneumatic butterfly valve   As medium flow regulator and cut off device,the ventilate butterfly valve is used in metallurgy,chemical,building material,power station,glass industry,which with ventilate,envirment protection project pipeline conveying cold or warm gas.With the advantage of compact structure,light weight,easy installation,low flow resistance,large turn volume,free from the dilation impact of high temperature,the valve can be installed in different working station.   Drawing of ventilate pneumatic butterfly valve     Appearance and size of ventilate valve  

DN	Appearance and size
	L	D1	D	Z-d	H	H0	A	B
50	108	110	140	4-14	70	215	270	65
65	112	130	160	4-14	80	235	270	65
80	124	150	190	4-18	95	263	270	65
100	127	170	210	4-18	105	283	270	65
125	140	200	240	8-18	120	313	310	65
150	140	225	265	8-18	132.5	338	310	65
200	152	280	320	8-18	160	493	365	90
250	165	335	375	12-18	187.5	550	365	90
300	178	395	440	12-22	220	615	365	90
350	190	445	490	12-22	245	678	365	90
400	216	495	540	16-22	270	727	365	90
450	222	550	595	16-22	297.5	782	365	90

  Company Information      Shijiazhuang Wanlixin Group was established in May 2002. Our main products have been produced for over 10 years which sell very well in more than 30 provinces and cities across the country. Besides, we have a trained after-sales service team, and strong technical force. In 2003, the company began to exploit the domestic market, and developed rapidly. Our group includes Shijiazhuang WanlixinMetallurgy Technology Co., Ltd, ShijiahzuangGangxinMetallurgical Equipment Co., Ltd, Shijiazhuang Wanlixin Property Service Co., Ltd, and a dozen of sub-companies. With modern production lines, high-quality marketing and management team, skilled after-sales service team, we develop into a large-scale comprehensive company in terms of production, sales, property management, financial management, after-sales service.       FAQ Lucy Yan/ Sale Manager Export Department Shijiazhuang Wanlixin Industrial and Trade Co., Ltd. C-7,Shenghe Plaza,Qilian St. Shijiazhuang, Hebei Prov 050000 China Tel:+(86) 031189640559/Fax:+(86) 031185252205 Pho: +(86) 13933197323 Ali:https://wanlixin.en.alibaba.com Web: https://www.wanlixin.com