Gate Valves Class150~300
■Structural features:
Our stainless steel gate valves are developed and designed in accordance with API603 Corrosion-Resistant, Bolted Bonnet Gate Valves--Flanged and Butt-Welding Ends, which take the advantages of compact structure, light weight, easy open and close, and lower price than API 600 standard gate valves for lowered construction cost.
The connecting flanges and structural length of valves are exactly the same as API 600 standard, and they are completely interchangeable.
■Application:
API 603 gate valves are suitable for Class150~300, PN2.0~5.0MPa and -29~500℃ pipelines to cut off or put through the media in pipelines. They may be made of different materials to adapt to various corrosive media like nitric acid, acetic acid, oxidant and urea etc., or to the noncorrosive or lightly corrosive media like water, steam and oils etc.
■Standard specifications:
| Design and Manufacture | Structure Length | Flange | Test | Body wall thickness |
| API603 | ANSI B16.10 | ANSI B16.5、 | API598 | ANSI B16.34 |
| Pressure | DN/NPS | |||||||||||||
| 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | |
| 2 | 2 1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | |
| Class150 | ||||||||||||||
| Class300 | ||||||||||||||
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