China • Yuanda Valve Group Co., Ltd. |
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The enterprise standard for swing check valve is formulated on the
basis of GB / t12236 standard. The material selection and
structural design of the enterprise standard are completely based
on the corrosion characteristics and working conditions of ammonia
and gas media, and various technical parameters are better than the
rising stem stop valve.
The swing check valve has the characteristics of sealing, strong
usability, no medium internal and external leakage and easy
operation. It successfully solves the problems of poor performance
of ordinary valves used in chemical pipelines, easy perforation of
shell, poor sealing performance and easy leakage. It is especially
suitable for the transmission of ammonia and gas pipelines in
chemical industry, and meets the requirements of long-term reliable
use. Its sealing, maintainability, safety, etc.
Parts Name | Material |
Body,Bonnet. Disc | SCPH2 |
Seat Ring | SSC1 |
Stem | SCPH2 |
Hinge Pin | STS 420J1-B |
Size | L | D | b-f | z xфd | H |
50 | 203 | 155 | 16-2 | 4 x ф19 | 146 |
65 | 216 | 175 | 18-2 | 4xф19 | 154.5 |
80 | 241 | 185 | 18-2 | 8x ф19 | 168 |
100 | 292 | 210 | 18-2 | 8x ф19 | 200 |
125 | 330 | 250 | 20-2 | 8xф23 | 220.5 |
150 | 356 | 280 | 22-2 | 8xф23 | 290 |
200 | 495 | 330 | 22-2 | 12x ф23 | 359 |
250 | 622 | 400 | 24-2 | 12x ф25 | 402 |
300 | 698 | 445 | 24-3 | 16x ф25 | 445 |