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手动对夹式通风蝶阀

MANUAL DUAL-CLAMP VENTING BUTTERFLY VALVE

手动对夹式通风蝶阀，普遍适用于建材、玻璃、矿山、电力、轻工、造纸等行业的通风、环保工程等管道系统中。对管道中气体介质按不同控制信号调节流量大小和切断。

This valve is widely used in the pipe system such as venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. It can change the flow and cut off gas medium in the pipe by the different control signal.

结构特点：

Structure characteristic:

手动对夹式通风蝶阀，采用优质碳素钢焊接。具有重量轻、结构紧凑、流阻损失小、操作灵活、指示方位明确、维护方便、使用寿命长等优点 , 可任意安装，特别适合架空管道。配用蜗轮传动装置切换，开关轻松自如 , 任意调节阀门开度 , 是调节流量的理想设备。

The valve is welded in fine carbon steel, having the features of light weight, compact structure, endurance, little in the lost of flow resistance, definite direction, easy to maintenance and long life. It can be installed at any angle, especially suitable for aerial piping. The valve is used with worm gearing device to form a complete set to realize switching freely and adjusting open angle of valve arbitrarily. It is the ideal equipment of adjusting flow.

性能参数：

Performance parameter:

公称压力

Nominal pressure

介质流速

Medium velocity

泄漏率

Leakage ratio

适用温度

Suitable temperature

适用介质

Suitable medium

0.05MPa

≤ 25 m/s

≤ 1%

≤ 300 ℃

空气、烟气、粉尘气体等

Air, smoke, gas with powder etc

外形图：

Appearance figure:

外形连接尺寸 ：

Appearance joint dimensions:

DN	D	D1	B	n-d	E	E1	L
150	210	225	80	8- Φ 12	605	465	180
200	260	275	80	8- Φ 12	665	500	180
220	280	295	80	8- Φ 12	685	510	180
250	310	325	80	12- Φ 12	715	515	180
280	340	355	80	12- Φ 12	745	530	180
300	360	375	80	12- Φ 12	785	560	180
320	380	395	80	12- Φ 12	805	570	180
360	420	435	80	12- Φ 12	845	590	180
400	480	495	100	16- Φ 14	915	640	180
450	530	545	100	16- Φ 14	965	665	180
500	580	595	100	20- Φ 14	1015	690	180
560	640	655	100	20- Φ 14	1075	720	180
600	680	695	100	20- Φ 14	1125	750	180
630	710	725	100	20- Φ 14	1155	765	180
700	780	795	120	20- Φ 14	1275	850	250
800	880	895	120	24- Φ 14	1385	895	250
900	980	995	120	24- Φ 14	1485	945	250
1000	1100	1120	140	28- Φ 18	1525	930	250
1100	1200	1220	140	28- Φ 18	1625	980	250
1120	1220	1240	140	28- Φ 18	1645	1080	250
1200	1300	1320	140	28- Φ 18	1725	1035	250
1250	1350	1370	140	28- Φ 18	1775	1060	250
1300	1400	1420	140	32- Φ 18	1825	1080	250
1400	1500	1520	140	36- Φ 18	1925	1130	250
1500	1600	1620	140	36- Φ 18	2045	1200	250
1600	1700	1720	140	40- Φ 18	2145	1250	250
1700	1820	1840	160	40- Φ 18	2525	1580	300
1800	1920	1940	160	44- Φ 18	2625	1630	300
1900	2020	2040	160	44- Φ 18	2725	1680	300
2000	2120	2145	160	48- Φ 22	2825	1730	300
2100	2220	2245	180	48- Φ 22	2935	1790	300
2200	2320	2345	180	48- Φ 22	3035	1840	300
2300	2420	2445	180	48- Φ 22	3270	2025	350
2400	2520	2545	180	48- Φ 22	3370	2075	350