Z45H concealed wedge gate valve is a valve whose gate moves vertically along the centerline of the passage. The gate valve is mainly used for cutting off in pipelines. Flexible and reliable control, reliable sealing performance. Z45H concealed wedge gate valve has a compact structure, reasonable design, good valve rigidity, smooth channel, high flow coefficient, low flow resistance coefficient, simple structure, and easy maintenance. Its sealing surface is made of stainless steel and hard alloy, with a long service life. Widely applicable as an opening and closing device for connecting or cutting off the medium in oil and steam pipelines such as petrochemicals, metallurgy, water treatment, and thermal power plants. Technical parameters of Z45H concealed wedge gate valve: 1. Sealing material: using flexible graphite packing, reliable sealing, easy and flexible operation. 2. The driving methods include manual, electric, pneumatic, and gear transmission. 3. Structural types: elastic wedge single gate, rigid wedge single gate, and double gate types. Main external dimensions of Z45H concealed wedge gate valve:

Nominal Diameter Dg (mm)	L	D	D1	D2	b	z-φd	H	D0	Weight (kg)
50	180	160	125	100	20	4-18	345	180	17
65	195	180	145	120	22	4-18	376	180	20
80	210	195	160	135	22	4-17	417	200	27
100	230	215	180	155	22	8-18	460	240	50
125	255	245	210	185	24	8-18	525	240	70
150	280	280	240	210	24	8-23	567	240	95
200	330	335	295	265	26	8-23	705	320	150
250	380	390	350	320	28	8-23	800	320	200
300	420	440	400	368	28	12-23	886	400	280
350	450	500	460	428	31	16-23	968	400	360
400	480	565	515	482	32	16-25	1090	500	500
450	510	615	565	532	32	20-25	1175	500	590
500	540	670	625	585	34	20-25	1414	720	680
600	600	785	725	685	36	20-30	1593	720	951
700	660	895	840	800	40	24-30	1812	800	1950