詳細介紹
旋啟式止回閥又稱單向閥或逆止閥,其作用是防止管路中的介質倒流。啟閉件靠介質流動和力量自行開啟或關閉,以防止介質倒流的閥門叫止回閥。
鍛鋼旋啟式止回閥
止回閥屬于自動閥類,主要用于介質單向流動的管道上,只允許介質向一個方向流動,以防止發(fā)生事故。本類閥門在管道中一般應當水平安裝.
鍛鋼旋啟式止回閥
主要技術參數:
NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | Seat | A276 410 | A276 304 | A276 304(L) | A276 316(L) |
3 | Swing Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
4 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
5 | Hinge | A105 | A182 F22 | A182 F304 L | A182 F316(L) |
6 | Pin | A276 420 | A182 F304 | A182 F316 | |
7 | Pontlevis | A105 | A182 F22 | A182 F304 L | A182 F316(L) |
8 | Gasket | Corrugated SS + graphite | SS + PTFE | ||
9 | Bonnet | A105 | A182 F22 | A182 F304 L | A182 F316(L) |
10 | Bolt | A193 B7 | A193 B16 | A193 B8M | A193 B8M |
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
Suitable Temperature | -29~425 | -29~550 | -29~180 |