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該閥具有雙重密封裝置，除填料外還有不銹鋼波紋管作密封元件。適用于易燃易爆、滲透性強、帶放射性的介質，以及對密封性有嚴格要求的工業(yè)管路上。

The valve has double sealing device,besidespacking stainless bellows can be used as sealing element,The valve can be suitable to industrialpipeline of easily bursting,heavy osmosis,rsdioactivity media and of strictuy demandingfor sealing.

主要零件材料Material for main parts

零件名稱Produsttype	閥體Body	閥蓋Bonnet	閥桿Stem	波紋管Bollow	閥瓣Disc	閥桿螺母Yoke nut	填料Packing	墊片Washer	手輪Handwheel
WJ61H WJ41H-16C	WCB堆焊不銹鋼	WCB	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti 堆焊硬質合金	ZQA19-4	柔性石墨	纏繞式墊片	KT35-10
WJ61H WJ41H-25
WJ61H WJ41H-40
WJ61H WJ41H-16P	ZG1Cr18Ni9Ti		1Cr18Ni9Ti				柔性石墨或聚四氟乙烯	纏繞式墊片或聚四氟乙烯
WJ61H WJ41H-25P
WJ61H WJ41H-40P

主要外形尺寸和連接尺寸Main external and connecting dimensions

DN	L	D	D₁	D₂	b	f	D₀	H	n-φz
1.6（PN16）
15	130	95	65	46	14	2	100	236	4-14
20	150	105	75	56	16	2	100	242	4-14
25	160	115	85	65	16	3	125	286	4-14
32	180	140	100	76	18	3	125	295	4-18
40	200	150	110	84	18	3	150	330	4-18
50	230	165	125	99	20	3	150	350	4-18
65	290	185	145	118	20	3	200	400	4-18
80	310	200	160	132	20	3	200	430	8-18
100	350	220	180	156	22	3	250	465	8-18
125	400	250	210	184	22	3	250	505	8-18
150	480	285	240	211	24	3	300	613	8-22
200	600	340	295	266	24	3	420	714	12-22
250	730	405	355	319	26	3	500	810	12-26
300	850	460	410	370	28	4	670	910	12-26