321 Floor Flanges

321 Floor Flanges

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321 Floor Flanges


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Table sizes of 321 Floor Flanges:

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Specification of 321 Floor Flanges:

111 The equipments from DISA Denmark, DJ AMF Japan, SINTOKOGIO Japan widely used in our malleable iron socket productline, ensures the stability of product quality.
We use spectrometer from Oxford Instruments to check the material’s quality. 未标题-1_05
未标题-1_07 We use high heat value natural gas annealing furnace, strictly control the annealing process, improve the physical properties of the materials.
Each pipe fitting cap after air tightness test, ensure no leakage. 气密性
螺纹 Strictly control the calibre of the thread, parallelism, Angle, tooth type, each live over a plug gauge for testing.
The pipe fittings have outlets ranging from 1/8” through 6. 法兰多图
压扁 Good toughness with long working life.
Smooth surface without any sand hole. 法兰
镀锌  avg. thickness of zinc coating is higher than 86 um specified in ASME, EN(70um), DIN(70um), SI(78um).

 

 


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