Product Usage

The circular louver valve can be used for ventilation and adjustment equipment on the ventilation and dust removal pipeline. It is mainly used for ventilation, dust removal and environmental protection in metallurgy, mining, cement, chemical industry, power generation and other industries. It has the characteristics of light weight, small flow resistance, simple structure and flexible opening and closing.

The main technical parameters

Operating temperature	-30～250℃	Use ambient temperature		Electric actuator: 10～5℃
Nominal pressure	0.1MPa			Servo amplifier: 0～45℃
Input signal	0～10mA or 4～20mA	Ambient relative humidity		Electric actuator: ≤95%
Voltage	220V　50Hz			Servo amplifier: ≤85%
Dead zone	≤0.8%	Material	Body/Disc	Q235-A
Return difference	≤2.5%		Axis	20Cr13
Basic error	±2.5%		Packing	Teflon

Main external dimensions

DN	D	D1	L	L1	L2	b	n-d	Fan	WT(kg)
280	324	306	160	570	300	8	8-Φ10	4-72	60
320	367	350	180	610			16-Φ7		70
360	416	394		650					82
450	512	490		780	365		16-Φ10		95
500	572	550	200	835					125
600	676	650		860					155
180	230	205	160	465	275		8-Φ7	9-19 9-26	210
200	250	225		485					35
224	284	254		510					45
250	310	280		535			8-Φ10	9-19 9-26	60
280	360	320		565					75
315	395	355	180	650	365				125
355	435	395		690					140
400	500	450		735			8-Φ12		170
450	550	500		780					210
500	620	560	200	900	425		12-Φ12		230
560	680	620		1000		10			260
630	750	690		1070					320
710	830	770		1150			16-Φ12		375
800	920	860	260	1240				9-26	475
900	1040	970		1340			16-Φ15		525
1000	1110	1065		1440				4-27 Y5-48	645
1110	1220	1170		1650		12	20-Φ15		670
1120	1250	1190	280	1660	480				770
1200	1330	1270		1740			24-Φ15	G/Y-73	870
1400	1520	1470	320	1940	640				970
1600	1700	1660		2140			28-Φ19		1170
1800	1900	1860	420	2340		14			1270
2000	2122	2060		2540					1350
2200	2300	2260	450	2740			36-Φ19	G/Y-73-14	1590
2500	2600	2560		3040					1990
2800	2900	2860	500	3340					2890