1. Wide range of application: it is widely used in the conveying control system of blast furnace water flushing slag, power station boiler cinder, mine slime, coal loading and sewage, and the fluid and semi fluid medium system of similar systems in chemical industry and light industry. It can also be used in combination with other valves to cut off and regulate high flow rate and high impurity content conditions such as gravity outflow of reservoir and emptying of dam bottom.

2. Strong wear resistance and erosion resistance: when the valve is opened, the sealing surface of hemispherical valve core is completely back to the flow channel, which is not scoured; the valve core and valve seat have wear-resistant and corrosion-resistant layers, which can effectively adapt to various harsh working conditions and prolong the service life of the valve. The valve shaft and bearing parts adopt anti sediment design to effectively prevent impurities from scouring and entering. Advanced ceramic lining technology can be used in the flow passage to effectively eliminate the wear of valve body. The valve shaft and bearing are designed with anti sediment design to prevent impurities from scouring and entering.

3. No slag accumulation and zero water loss: as shown in the figure below, the valve adopts full channel design. When the valve is fully opened, the hemispherical valve core is on one side of the flow channel, which does not occupy the space of the flow channel to hinder the flow of fluid. It is especially suitable for double high media with high slag content and high flow rate;

Because the gate valve must have the section of the gate valve seal in the flow channel, the integrity of the flow channel can not be realized, leaving a natural hidden danger for slag accumulation and slag blocking;
Butterfly valve has the advantages of volume, but because the valve plate is in the center of the flow channel, it is impossible to avoid the erosion of medium on the valve plate, valve shaft and valve seat sealing surface and the obstruction of valve plate on medium circulation. It is easy to produce slag accumulation and sealing effect, so it can not meet the working condition requirements for a long time.

4. Easy to operate: worm gear transmission has accurate adjustment, reliable positioning function, good adjustment performance and wide adjustable range. It can be driven by electric, pneumatic and hydraulic.

Nominal pressure	PN	1.0		1.6	2.5	4.0	6.3	Mpa
strength test	PS		1.5	2.4	3.8	6.0	9.6
Sealing test	P		1.1	1.8	2.8	4.4	7.04
Service temperature			The soft seal is suitable for the temperature below 200 ℃, the carbon steel for hard sealing shall not exceed 425 ℃, and the stainless steel shall not exceed 600 ℃
Nominal size	DN200-DN1200
Applicable media

Serial number	name	texture of material	Serial number	name	texture of material
1	valve body	Ductile iron, cast steel, stainless steel, ceramic lining	7	snap ring	copper alloy
2	a fastening	stainless steel	8	axle sleeve	copper alloy
3	Sealing element	Nitrile rubber, EPDM	9	Short axle shaft	stainless steel
4	valve seat	Stainless steel n cemented carbide	10	Long axle shaft
5	Hemispherical spool	Ductile iron, cast steel and wear-resistant cast steel	11	Seal sleeve	Nitrile rubber
6	End cap		12	control device	Worm gear, electric assembly, cylinder

1. Valve 2. Fastener 3. Seal 4. Valve seat 5. Hemispherical valve core 6. End cover 7. Snap ring 8. Shaft sleeve 9. Short half shaft 10. Long half shaft 11. Sealing shaft sleeve

nominal Diameter	length	Dimensions (reference value)
	short	E	H
600	1140	1132	855
700	1320	1170	925
800	1500	1342	1035
900	1660	1360	1135
1000	1850	1410	1270
1200	2220	1510	1485
1400	2580	1590	1685
1600	2960	1770	1930
1800	3300	2132	2130
2000	3700	2214	2360
2200	4070	2435	2580
2400	4500	2674	2780

 

nominal Diameter	length	Dimensions (reference value)
	short	E	H
50	180	320	165
80	200	350	210
100	229	390	230
125	254	415	270
150	267	445	285
200	400	485	350
250	450	534	410
300	630	613	470
350	740	790	530
400	840	870	590
450	940	950	655
500	1016	1045	730

Note: due to product improvement, the company reserves the right to interpret the above data
Please contact our technical department for specific parameters.