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手动蝶阀

MANUAL GAS FLOWING regulating valve

手动蝶阀广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业，在管路上作为双向启闭及调节介质的流量的重要设备，对管路中流量根据工况的不同需要进行调节，以满足管道工艺运行的需要。

This valve is widely used in building material, glass, mining, power, light industry etc. It is also the important device in pipe system to open or close and adjust medium flow in two ways. It can meet the demand of pipe technology operation by adjusting flow according with the different working conditions.

结构特点：

Structure characteristic:

手动蝶阀采用优质钢板焊接而成，设计新颖、结构简单实用、体积小、重量轻、流阻小、启闭力矩小，调节轻松自如、灵活可靠，开度指示显著、清晰、准确，便于观察和操作，能有效地控制气体流量，是各种风管系统中理想的调节设备。

The valve is welded in fine steel, having the features of novel design, compact structure, light weight, endurance, little in the lost of flow resistance and open-close torque, definite direction. It is convenient to observe or operate. It is the ideal regulating equipment of controlling gas flow effectively in all kinds of windpipe system.

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

≤ 28 m/s

≤ 1.5 %

≤ 300 ℃

空气、粉尘气体等

Air, gas with powder etc

手柄式 外形图： 蜗轮式 外形图：

Appearance figure ： Appearance figure ：

外形连接尺寸 ：

Appearance joint dimensions:

DN	D	D1	B	b	n-d	E	E1	H	H1
100	160	135	80	4	4- Φ 10	140	180	150	200
120	180	155	80	4	4- Φ 10	145	190	150	200
125	185	160	80	4	4- Φ 10	148	193	150	200
130	190	165	80	4	8- Φ 10	150	195	150	200
140	200	175	80	4	8- Φ 10	155	205	150	200
150	210	185	80	4	8- Φ 10	160	210	150	200
160	220	195	80	4	8- Φ 10	165	215	200	200
180	240	215	80	4	8- Φ 10	175	225	200	200
200	260	235	80	4	8- Φ 10	185	235	200	200
220	280	255	80	4	8- Φ 10	210	347	200	200
250	310	285	100	6	12- Φ 10	225	365	350	200
280	340	315	100	6	12- Φ 10	240	380	350	200
320	380	355	100	6	12- Φ 10	260	400	350	200
360	440	405	120	8	16- Φ 12	280	420	350	200
390	470	435	120	8	16- Φ 12	295	435	350	200
400	480	445	120	8	16- Φ 12	300	440	450	250
450	530	495	120	8	16- Φ 12	325	465	450	250
500	580	545	120	8	20- Φ 12	350	490	450	250
560	640	605	120	8	20- Φ 12	380	520	450	250
600	680	645	120	8	20- Φ 12	420	540	600	250
630	710	675	120	8	20- Φ 12	435	555	600	250
700	780	745	140	8	20- Φ 12	470	612	600	250
800	880	845	140	8	24- Φ 12	520	665	600	250
900	980	945	140	8	24- Φ 12	570	715	600	250
1000	1100	1055	160	10	28- Φ 14	620	845	600	250
1120	1220	1175	160	10	28- Φ 14	680	905	600	250
1200	1300	1255	160	10	28- Φ 14	720	945	600	250

矩形手动蝶阀