C5 ASTM A217旋启式止回阀

旋启式止回阀是靠管路中介质本身的流动产生的力而自动开启和关闭的，属于一种自动阀门。止回阀用于管路系统，其主要作用是防止介质倒流、防止泵及其驱动电机机反转，以及容器内介质的泄放。止回阀还可用于给其中的压力可能升至超过主系统压力的辅助系统提供补给的管路上 

部件名称 Part Name 材料 Material 46 72 3 85 71 11 铰链销 Hinge Pin 阀瓣螺母 Disc Nut 阀瓣螺母销钉 Disc Nut Pin 阀瓣垫圈  Disc Washer (See page 33 for Trim Materials) 阀瓣(参阅注释1) Disc (See Note 1) 阀座环(参阅注释1) Seat Ring (See Note 1) 参阅下列其它资料 See below for balance 注释1：阀瓣和阀座环或者是实心面材料，或者是与阀体/阀盖材料相同或更好的基础材料。 Note 1: Disc and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown.

	部件名称 Part Name	碳钢 Carbon Steel	LCB	LC3	WC6	WC9
13 40 30 55 16b 98 10	管塞 Pipe Plugs 铰链 Hinge 阀盖帽 Bonnet Cap 阀盖垫圈 Bonnet Gasket 压力等级150和300 Class 150 & 300 压力等级600及以上 Class 600 & up 阀盖柱头螺栓螺母 Bonnet stud nuts 阀盖柱头螺栓 Bonnet Studs 阀体 Body	ASTM A108等级1018 ASTM A108 Gr 1018 ASTM A216等级WCB ASTM A216 Gr WCB ASTM A216等级WCB ASTM A216 Gr WCB 低碳钢 Mild Steel 钢环 Steel ring ASTM A194等级2H ASTM A194 Gr 2H ASTM A193等级B7 ASTM A193 Gr B7 ASTM A216等级WCB ASTM A216 Gr WCB	ASTM A276等级304 ASTM A276 Gr 304 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A352等级LCB ASTM A352 Gr LCB Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级7 ASTM A194 Gr 7 ASTM A320等级L7 ASTM A320 Gr L7 ASTM A352等级LCB ASTM A352 Gr LCB	ASTM A276等级304 ASTM A276 Gr 304 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A352等级LC3 ASTM A352 Gr LC3 Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级7 ASTM A194 Gr 7 ASTM A320等级L7 ASTM A320 Gr L7 ASTM A352等级LC3 ASTM A352 Gr LC3	ASTM A582等级416 ASTM A582 Gr 416 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A217等级WC6 ASTM A217 Gr WC6 Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H ASTM A194 Gr 2H ASTM A193等级B7(B) ASTM A193 Gr B7 (B) ASTM A217等级WC6 ASTM A217 Gr WC6	ASTM A582等级416 ASTM A582 Gr 416 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A217等级WC9 ASTM A217 Gr WC9 Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H ASTM A194 Gr 2H ASTM A193等级B7(B) ASTM A193 Gr B7 (B) ASTM A217等级WC9 ASTM A217 Gr WC9

	部件名称 Part Name	C5	C12	CA6NM	CF8C	CF8M
13 40 30 55 16b 98 10	管塞 Pipe Plugs 铰链 Hinge 阀盖帽 Bonnet Cap 阀盖垫圈 Bonnet Gasket 压力等级150和300 Class 150 & 300 压力等级600及以上 Class 600 & up 阀盖柱头螺栓螺母 Bonnet stud nuts 阀盖柱头螺栓 Bonnet Studs 阀体 Body	ASTM A582等级416 ASTM A582 Gr 416 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A217等级C5 ASTM A217 Gr C5 Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H(C) ASTM A194 Gr 2H (C) ASTM A193等级B7(C) ASTM A193 Gr B7 (C) ASTM A217等级C5 ASTM A217 Gr C5	ASTM A582等级416 ASTM A582 Gr 416 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A217等级C12 ASTM A217 Gr C12 Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H(C) ASTM A194 Gr 2H (C) ASTM A193等级B7(C) ASTM A193 Gr B7 (C) ASTM A217等级C12 ASTM A217 Gr C12	ASTM A582等级416 ASTM A582 Gr 416 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A487等级CA6NM ASTM A487 Gr CA6NM Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H ASTM A194 Gr 2H ASTM A193等级B7 ASTM A193 Gr B7 ASTM A487等级CA6NM ASTM A487 Gr CA6NM	ASTM A276等级316 ASTM A276 Gr 316 ASTM A351等级CF8C ASTM A351 Gr CF8C ASTM A351等级CF8C ASTM A351 Gr CF8C Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H(D) ASTM A194 Gr 2H (D) ASTM A193等级B7(D) ASTM A193 Gr B7 (D) ASTM A351等级CF8C ASTM A351 Gr CF8C	ASTM A276等级316 ASTM A276 Gr 316 ASTM A351等级CF8M ASTM A351 Gr CF8M ASTM A351等级CF8M ASTM A351 Gr CF8M Corr.304不锈钢 Corr. 304 SS 304不锈钢环 304 SS ring ASTM A194等级2H(E) ASTM A194 Gr 2H (E) ASTM A193等级B7(E) ASTM A193 Gr B7 (E) ASTM A351等级CF8M ASTM A351 Gr CF8M