DN15-650 Check Valve 150#300# Stainless Steel
Design &Manufacture: API6D, BS1868, ASME B16.34
Face to Face: ASME B16.10, AP16.0
Connection dimension: ASME B16.5, ASME B16.25, ASME 16.47
Inspection and Test: ISO 5208, API 598, BS6755
Main dimensions and connection dimensions
Size | d | D | D1 | D2 | t | C | n-φb | L |
DN15 | 18 | 90 | 60.3 | 34.8 | 1.6 | 11.5 | 4-φ16 | 108 |
DN20 | 20 | 100 | 69.9 | 42.9 | 1.6 | 13 | 4-φ16 | 117 |
DN25 | 25 | 110 | 79.4 | 50.8 | 1.6 | 14.5 | 4-φ16 | 127 |
DN32 | 32 | 115 | 88.9 | 63.5 | 1.6 | 16 | 4-φ16 | 140 |
DN40 | 38 | 125 | 98.4 | 73 | 1.6 | 17.5 | 4-φ16 | 165 |
DN50 | 50 | 150 | 120.7 | 92.1 | 1.6 | 19 | 4-φ19 | 203 |
DN65 | 64 | 180 | 139.7 | 104.8 | 1.6 | 22.5 | 4-φ19 | 216 |
DN80 | 76 | 190 | 152.4 | 127 | 1.6 | 24 | 4-φ19 | 241 |
DN100 | 100 | 230 | 190.5 | 157.2 | 1.6 | 24 | 8-φ19 | 292 |
DN125 | 125 | 255 | 215.9 | 185.7 | 1.6 | 24 | 8-φ22 | 330 |
DN150 | 150 | 280 | 241.3 | 315.9 | 1.6 | 26 | 8-φ22 | 356 |
DN200 | 200 | 345 | 298.5 | 269.9 | 1.6 | 29 | 8-φ22 | 495 |
DN250 | 250 | 405 | 362 | 323.8 | 1.6 | 31 | 12-φ25 | 622 |
DN300 | 300 | 485 | 431.8 | 381 | 1.6 | 32 | 12-φ25 | 698 |
Class 150 | ||||||||
Size | d | D | D1 | D2 | t | C | n-φb | L |
DN40 | 40 | 155 | 114.5 | 73 | 1.6 | 21 | 4-φ22 | 241 |
DN50 | 50 | 165 | 127.0 | 92 | 1.6 | 22 | 8-φ19 | 267 |
DN65 | 65 | 190 | 149.4 | 105 | 1.6 | 25 | 8-φ22 | 292 |
DN80 | 80 | 210 | 168.1 | 127 | 1.6 | 29 | 8-φ22 | 318 |
DN100 | 100 | 255 | 200.2 | 157 | 1.6 | 32 | 8-φ22 | 356 |
DN125 | 125 | 280 | 235.0 | 186 | 1.6 | 35 | 12-φ22 | 400 |
DN150 | 150 | 320 | 269.7 | 216 | 1.6 | 37 | 12-φ25 | 444 |
DN200 | 200 | 380 | 330.2 | 270 | 1.6 | 41 | 16-φ29 | 533 |
DN250 | 250 | 445 | 387.4 | 324 | 1.6 | 48 | 16-φ32 | 622 |
DN300 | 300 | 520 | 450.8 | 381 | 1.6 | 51 | 20-φ32 | 711 |
DN350 | 350 | 585 | 514.4 | 413 | 1.6 | 54 | 20-φ35 | 838 |
DN400 | 400 | 650 | 571.5 | 470 | 1.6 | 57 | 24-φ35 | 864 |
DN450 | 450 | 710 | 628.8 | 533 | 1.6 | 60 | 24-φ35 | 978 |
DN500 | 500 | 775 | 685.8 | 584 | 1.6 | 64 | 24-41 | 1016 |
DN600 | 600 | 915 | 812.8 | 692 | 1.6 | 70 | 28-φ44 | 1346 |
DN650 | 650 | 970 | 876.3 | 749 | 1.6 | 79 | 28-φ44 | 1346 |
Class 300 | ||||||||
This industrial-grade ss check valve provides reliable backflow prevention for pipeline systems. The durable dn150 check valve configuration ensures automatic operation and minimal pressure loss across DN15 to DN650 sizes. Rated for 150# and 300# pressure classes, this corrosion-resistant ss check valve guarantees long service life in demanding applications. The precision-engineered dn150 check valve features a compact design for easy installation and maintenance. Suitable for chemical processing, water treatment, and industrial piping systems, this versatile ss check valve delivers exceptional performance where reverse flow prevention and system protection are essential requirements. The robust construction ensures leak-proof operation under varying pressure conditions.
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