Description

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Welded bellows pump connectors

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Khái niệm: Đầu nối bơm ống ruột gà hàn bao gồm ống thổi và hai đầu ống và các thành phần khác. Nó hấp thụ chuyển vị dọc trục của ống thông qua biến dạng linh hoạt của ống thổi (cũng có một lượng nhỏ dịch chuyển bên và góc), và phần cuối được kết nối với ống hoặc hàn trực tiếp, hoặc hàn trên mặt bích và sau đó kết nối với mặt bích ống.

Welded bellows pump connector is composed of a bellows and two end pipes and other components.It absorbs the axial displacement of the pipe through the flexible deformation of bellows (there is also a small amount of lateral and angular displacement), and the end is connected with the pipe or welded directly, or welded on the flange and then connected with the pipe flange.

Features: Simple structure, low price

• NOMINAL DIAMETER: DN32mm-DN1000mm
• WORKING PRESSURE: 0.6-2.5Mpa
• WORKING TEMPERATURE: -15℃ to 300℃
• MATERIAL: stainless steel, carbon steel
• APPLICABLE MEDIUM: water, steam, air, weak acid and alkali, oil, etc.

PERFORMANCE

Advantage:

1. High elastic limit, fatigue resistance
2. Good plasticity
3. Good corrosion resistance
4. Good welding performance.

Application:

1. Pipeline with large deformation and limited space position
2. Large diameter pipeline with large deformation and displacement and low working pressure
3. Devices that need to limit the take-over load
4. Pipes requiring absorption or isolation of high frequency mechanical vibration
5.Pipelines required to absorb earthquake or subsidence of foundation.

Principle of axial movement of metal bellows expansion joint :

The welded bellows pump connector can be stretched in the direction of the shaft and allows a small amount of bending. The welded bellows pump connector is a commonly used axial bellows expansion joint for axial length compensation of pipes. In order to prevent exceeding the allowable compensation amount, a protective pull rod or a guard ring is disposed at both ends of the bellows, and a guide bracket is disposed on the pipe connecting the two ends of the protection rod or the guard ring.

Expanding knowledge:

The small tie rod on the welded expansion joint is mainly used as rigid support in the transportation process or as pre-deformation adjustment of the product. It is not a bearing rod. This kind of expansion joint is simple in structure and low in price, so it should be given priority where possible in pipeline.

PRODUCT PARAMETERS

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