一、H61H/Y承插焊鍛鋼止回閥 概述
止回閥還有三種不同的結(jié)構(gòu)設(shè)計(jì),分別是:立升式止回閥、球形止回閥和旋啟式止回閥。連接方式有法蘭,對(duì)焊等!
序號(hào)NO. | 名稱 | 美標(biāo)碳鋼CS to ASTM | 美標(biāo)合金鋼AS to ASTM | 美標(biāo)不銹鋼鋼SS to ASTM | |
Type A 105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | 閥體 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | 立升式閥瓣 | A276 410 | A276 304 | A276 F304(L) | A276 F316(L) |
3 | 墊片 | Corrugated SS+graphite | SS+PTFE | ||
4 | 閥蓋 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
5 | 銘牌 | | |||
6 | 螺栓 | A193 B7 | A193 B16 | A193 B8M | A193 B8M |
7 | 球 | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
適用介質(zhì) | (水、油、氣等)W.O.G.etc | (酸類)HNO3,CH3OOH etc | |||
適用溫度 | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ |
通徑 | 縮徑RB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | | |
NPS | 全徑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 |