Production enforce standard | ||||||||||
Design and Manutacture | Face to face | Flange Dimension | Butt welding | Inspection and test | ||||||
ANSIÂ B16.34/BS1873 | ANSIÂ B16.10 | ANSIÂ B16.5 | ANSIÂ B16.25 | APIÂ 598 |
Chief property and specification | |||||||
Normal Pressure | Shell test | Water seal test | Air seal test | ||||
LB | Mpa | Lbf/in² | Mpa | Lbf/in² | Mpa | Lbf/in² | |
150 | 3.1 | 450 | 2.2 | 315 | 0.5-0.7 | 60-100 | |
300 | 7.8 | 1125 | 5.6 | 815 | |||
600 | 15.3 | 2225 | 11.2 | 1630 | |||
900 | 23.1 | 3350 | 16.8 | 2440 | |||
1500 | 38.4 | 5575 | 28.1 | 4080 | |||
2500 | 64.6 | 9367 | 47.4 | 6873 |
Material for main parts | ||||||||||
Body/Cover/Disc | Stem | Sealing Face | Sealing shim | Packing | Suitable medium | |||||
WCB | 2 CR13 | 13Cr STL with body material  PTFE Nylon |
13Cr/Enhanced Flexible 1Cr13 /Flexible graphite  SFB-208 Soft steel F304 F316 F304L F316L |
Flexible graphite Enhanced Flexible graphite  SFB /260SFP/ 260PTFE |
Water Steam Petroleum Products |
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WC1 | 38CrMoAl 25Cr2Mov |
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WC6 | ||||||||||
WC9 | ||||||||||
C5Â C12 | ||||||||||
CF8 | F304 | Nitric acid Aceic acid |
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CF3 | F316 | |||||||||
CF8M | F304L | |||||||||
CF3M | F316L |
Main external and connection dimension | ||||||||||
Size | L | D | D1 | D2 | b | n-d | W | H | WT(kg) | |
150LB | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
1/2" | mm | 108 | 90 | 60.5 | 35 | 12 | 4-15 | 125 | 169 | 3.8 |
in | 4.25 | 3.5 | 2.38 | 1.38 | 0.47 | 4-0.59 | 4.92 | 6.65 | ||
3/4" | mm | 117 | 98 | 70 | 43 | 12 | 4-15 | 125 | 180 | 4.2 |
in | 4.61 | 3.86 | 2.76 | 1.639 | 0.47 | 4-0.59 | 4.92 | 7.08 | ||
1" | mm | 127 | 108 | 79.5 | 51 | 12 | 4-15 | 125 | 190 | 8 |
in | 5 | 4.25 | 3.13 | 2 | 0.47 | 4-0.59 | 4.92 | 7.48 | ||
1Â 1/2" | mm | 165 | 127 | 98.5 | 73 | 14.3 | 4-16 | 180 | 347 | 13 |
in | 6.5 | 5 | 3.88 | 2.87 | 0.56 | 4-0.62 | 7.09 | 13.66 | ||
2" | mm | 203 | 152 | 120.5 | 92 | 15.9 | 4-19 | 180 | 356 | 21 |
in | 8 | 6 | 4.75 | 3.62 | 0.625 | 4-0.75 | 7.09 | 14 | ||
2Â 1/2" | mm | 216 | 178 | 139.5 | 105 | 17.5 | 4-19 | 240 | 381 | 30 |
in | 8.5 | 7 | 5.5 | 4.12 | 0.69 | 4-0.75 | 9.45 | 15 | ||
3" | mm | 241 | 190 | 152.4 | 127 | 2inch Ratchet Strap