New Century Forging Co., Ltd

New Century Forging Co., Ltd

86-351-5270488

New Century Forging Co., Ltd

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New Century Forging Co., Ltd

 [Shanxi,China]

Business Type:Manufacturer , Trade Company

Main Markets: Americas , Asia , East Europe , Europe , Middle East , West Europe , Worldwide

Exporter:91% - 100%

Certs:ISO9001, TUV, API

Home> Blog> 900# RTJ welding neck B16.47 alloy steel flange

900# RTJ welding neck B16.47 alloy steel flange

October 23, 2020
Valve industry in the country has been for decades, a simple valve to useful valve innovation, combined with years of experience, the flange valve is constantly improving, the valve industry has experienced many hardships and brilliant.

Flanged ball valve is a kind of commonly used hardware products, flanged ball valve before assembly and assembly process is also a certain technical requirements, or assembled flanged ball valve can not reflect its own excellent performance, France Lan ball valve in the assembly process what are the technical requirements?


Flange ball valve assembly pre-processing requirements:

1, according to the processing requirements, some parts need to be polished, the surface can not have processing burr;

2, flange ball valve all components for degreasing;

3, after degreasing pickling passivation, cleaning agents do not contain phosphorus;

4, pickling passivation purified water rinse, can not have residual drug, carbon steel parts save this step;

5, one by one with a non-woven fabric to dry, can not be wired wool retention parts surface, or dry with a clean nitrogen;

6, with a non-woven or precision filter paper staining analysis of alcohol-by-component wipe, until there is no dirty color.

Flange ball valve assembly technology requirements:

1, the installation workshop must ensure clean, or to build temporary clean area, for example, with the new color film or plastic film, etc., to prevent dust in the installation process.

2, the assembly workers must be wearing clean cotton overalls, wearing a cotton cap, the hair can not be leaked, wearing clean shoes, hand wearing plastic gloves, degreasing.

3, assembly tools must be degreasing cleaning before assembly to ensure clean.


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Author:

Ms. Xing

Phone/WhatsApp:

8613293889774

Popular Products
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