焊接止回阀
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一H61锻钢止回阀 概述
序号NO. | 名 称 | 美标碳钢CS to ASTM | 美标合金钢AS to ASTM | 美标不锈钢钢SS to ASTM | |
Type A 105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | 阀体 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | 立升式阀瓣 | A276 410 | A276 304 | A276 F304(L) | A276 F316(L) |
3 | 垫片 | Corrugated SS+graphite | SS+PTFE | ||
4 | 阀盖 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
5 | 铭牌 | ||||
6 | 螺栓 | A193 B7 | A193 B16 | A193 B8M | A193 B8M |
7 | 球 | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
适用介质 | (水、油、气等)W.O.G.etc | (酸类)HNO3,CH3OOH etc | |||
适用温度 | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ |
通径 | 缩径RB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | ||
NPS | 全径FB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | ||
L | 150~800Lb | 79 | 79 | 92 | 111 | 120 | 152 | 172 | 200 | |
900~1500Lb | 111 | 111 | 111 | 130 | 152 | 172 | 220 | 220 | ||
H(OPEN) | 150~800Lb | 61 | 61 | 65 | 79 | 95 | 103 | 118 | 132 | |
900~1500Lb | 65 | 79 | 79 | 97 | 104 | 120 | 139 | 215 | ||
Weights | Bolted | 150~800Lb | 1.4 | 1.2 | 1.5 | 3.1 | 3.9 | 5.6 | 8.9 | 12.5 |
900~1500Lb | 1.6 | 3.4 | 3.3 | 5.5 | 6.0 | 9.2 | 12.9 | 16.2 | ||
Welded | 150~800Lb | 1.1 | 1.0 | 1.2 | 2.9 | 3.3 | 4.9 | 8.1 | 10.9 | |
900~1500Lb | 1.3 | 3.2 | 3.1 | 4.8 | 5.4 | 8.5 | 11.2 | 14.3 |
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