weld neck flange
Weld neck flange are most widely used flanged in process piping. It gives the highest level of joint integrity due to Butt-welded with a pipe. These types of flanges are used in high pressure and temperature application. Weld neck flanges are Bulky & costly with respect to other types of flange.

Production instructions
We can produce Amercian Standard, German Standard, Italian Standard, European Standard, Chinese Standard flanges, also offer all kinds of non-standard flanges according to you drawings, diameter ranging from DN15 to DN3000, press rate up to 2500LBS. Flanges are made of carbon steel, stainless steel, alloy steel, duplex ferric-austenitic steel.
Flange Standard
American Standard | ASME B16.5,ASME B16.47,ANSI B16.5,API605,AWWA C207 |
Japanese Standard | JIS / KS 5K / 10K / 16K / 20K / 30K |
German Standard | DIN2527,2528,2561,2565,2566,2573,2576,2627-2638,2641,2642,2655,2656,2673,86029 |
British Standard | BS4504 PN16 / 25 / 40,BS10 TABLE E / TABLE D |
Italian Standard | UNI 2253,2254,2276,2278,2281,6084-6093 |
China Standard | GB/T 13402-92,GB/T9112-9124-2000,HG5010-5028 |
Production Process

Equipment Exhibition

Product Show

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Quality Assurance--TUV Certificate
Quality System Certificate:
We have Grade A Manufacture License of Special Equipment , Press Equipment Directive Quality-Assurance System Certificate , China Classification Society Certificate of Work Approval, TUV Certificate
Perfect Inspection Process:
Raw material inspection(5steps)- Raw materials testing is to ensure the raw material conforming to the order requirements.
Process testing(10steps)-Each processing step testing is to guarantee each step product qualified.
Factory testing(6steps)-Assure 100% product qualified rate to meet customer's requirements
Contact Us

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weld neck flange
Weld neck flange are most widely used flanged in process piping. It gives the highest level of joint integrity due to Butt-welded with a pipe. These types of flanges are used in high pressure and temperature application. Weld neck flanges are Bulky & costly with respect to other types of flange.

Production instructions
We can produce Amercian Standard, German Standard, Italian Standard, European Standard, Chinese Standard flanges, also offer all kinds of non-standard flanges according to you drawings, diameter ranging from DN15 to DN3000, press rate up to 2500LBS. Flanges are made of carbon steel, stainless steel, alloy steel, duplex ferric-austenitic steel.
Flange Standard
American Standard | ASME B16.5,ASME B16.47,ANSI B16.5,API605,AWWA C207 |
Japanese Standard | JIS / KS 5K / 10K / 16K / 20K / 30K |
German Standard | DIN2527,2528,2561,2565,2566,2573,2576,2627-2638,2641,2642,2655,2656,2673,86029 |
British Standard | BS4504 PN16 / 25 / 40,BS10 TABLE E / TABLE D |
Italian Standard | UNI 2253,2254,2276,2278,2281,6084-6093 |
China Standard | GB/T 13402-92,GB/T9112-9124-2000,HG5010-5028 |
Production Process

Equipment Exhibition

Product Show

Â

Quality Assurance--TUV Certificate
Quality System Certificate:
We have Grade A Manufacture License of Special Equipment , Press Equipment Directive Quality-Assurance System Certificate , China Classification Society Certificate of Work Approval, TUV Certificate
Perfect Inspection Process:
Raw material inspection(5steps)- Raw materials testing is to ensure the raw material conforming to the order requirements.
Process testing(10steps)-Each processing step testing is to guarantee each step product qualified.
Factory testing(6steps)-Assure 100% product qualified rate to meet customer's requirements
Contact Us

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Diammonium Phosphate is an excellent nitrogen & phosphorus neutral compound fertilizer and it is a kind of high concentration fertilizer, suitable for all kinds of crops and soil, especially suitable for high nitrogen phosphorus requirement of crops, it can be used as base fertilizer or top application. It can help the crops grow vigorously, improve fruit quality and yield, enhance crop resistance to disasters.
Diammonium Phosphate(DAP 18-46) |
|
Purity |
99.8% |
Appearance |
Grey or yellow granular |
Nitrogen content |
18% min |
P2O5 |
46% min |
Total nutrient |
64% min |
PH value |
8.0 |
Moisture |
2.5% max |
Granular size |
2-4mm 90% min |
Water insoluble matter |
0.02%max |
Diammonium Phosphate Dap18-46-0 Fertilizer , Fertilizer Diammonium Phosphate , Dap 18-46-0 Fertilizer
Hebei Woldi Trading Co.,LTD , https://www.woldigroup.com