蝶阀是用圆盘式启闭件往复回转90°左右来开启、关闭或调节介质流量的一种阀门。蝶阀不焊接蝶阀，不锈钢焊接蝶阀规格仅结构简单、体积小、重量轻、材料耗用省、安装尺寸小、驱动力矩小、操作简便、迅速，并且还可以同时具有良好的流量调节功能和关闭密封特性，是近十几年来发展的阀门品种之一。蝶阀的使用非常广泛。其使用的品种和数量仍在继续扩大，并向高温、高压、大口径、高密封性、长寿命、优良的调节特性，以及一阀多功能发展。其可靠性及其他性能指标均达到较高水平。

焊接蝶阀，不锈钢焊接蝶阀规格随着防化学腐蚀的合成橡胶在蝶阀上的应用，蝶阀的性能得以提高。由于合成橡胶具有耐腐蚀、抗冲蚀、尺寸稳定、回弹性好、易于成形、成本低廉等特点，并可以根据不同的使用要求选择不同性能的合成橡胶，以满足蝶阀的使用工况条件。

焊接蝶阀，不锈钢焊接蝶阀规格

特点

1、蝶阀具有结构简单、体积小、重量轻、材料耗用省，安装尺寸小，开关迅速、90°往复回转，驱动力矩小等特点，用于截断、接通、调节管路中的介质，具有良好的流体控制特性和关闭密封性能。

2、蝶阀可以运送泥浆，在管道口积存液体最少。 低压下，可以实现良好的密封。 调节性能好。

3、蝶板的流线型设计，使流体阻力损失小，可谓是一种节能型产品。

4、阀杆为通杆结构，经过调质处理，有良好的综合力学性能和抗腐蚀性，抗性。蝶阀启闭时阀杆只作旋转运动而不作升降运行，阀杆的填料不易破坏，密封可靠。与蝶板锥销固定，外伸端为防冲出型设计，以免在阀杆与蝶板连接处意外断裂时阀杆崩出。

5、 连接方式有法兰连接、对夹连接、对焊连接及凸耳对夹连接。

驱动形式有手动、蜗轮传动、电动、 气动、液动、电液联动等，可实现远距离控制和自动化操作。

Features

1. The butterfly valve has the characteristics of simple structure, small size, light weight, low material consumption, small installation size, rapid switching, 90° reciprocating rotation, and small driving torque. It is used to cut off, connect, and adjust the medium in the pipeline. It has good fluid control characteristics and close sealing performance.

2. The butterfly valve can transport mud, and the accumulation of liquid at the pipe mouth is the least. Under low pressure, good sealing can be achieved. Good adjustment performance.

3. The streamlined design of the butterfly plate makes the fluid resistance loss small, which can be described as an energy-saving product.

4. The valve stem is a through-rod structure, after quenching and tempering, it has good comprehensive mechanical properties, corrosion resistance and scratch resistance. When the butterfly valve is opened and closed, the valve stem only rotates and does not move up and down, the packing of the valve stem is not easy to be damaged, and the sealing is reliable. It is fixed with the butterfly plate cone pin, and the extended end is designed to prevent the blow-out, so as to avoid the valve stem from bursting out when the connection between the valve stem and the butterfly plate is accidentally broken.

5. Connection methods include flange connection, butt welding connection and lug butt clamp connection.

The driving modes include manual, worm gear transmission, electric, pneumatic, hydraulic, electro-hydraulic linkage, etc., which can realize remote control and automatic operation.

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