连接形式：

法兰

材质：

铸钢

阀瓣开启高度：

全启式安全阀

结构形式：

弹簧式

系列 Series
A38Y-16C/25/40  A43H-16C/25/40   A37H-16C/25/40
本阀门适用于工作温度≤350℃的蒸汽、水等介质的设备和管路上。作为超压保护装置。连接法兰标准按JB/T……-94的系列1。
This safety valves are used for the equipment and pipeline of the steam, water etc. medium what the working temperature are less than 350 . Take for extra pressure protection devices.Flange connecting dimensions of comply with Standard series one of JB/T -94.
主要零部件材料 Explanation of materials for main parts
A38Y, A43H, A37H safety valve, except the three-ways style (material WCB), the materials of other parts is the same as A47H, A48Y type spring loaded type safety valve.
A38Y A38Y Type (DN)	A48Y Relevant A48Y Type (DN)		A43Y A43Y Type (DN)	A47Y Relevant A47Y Type (DN)		A37Y A37Y Type (DN)	A47Y Relevant A47Y Type (DN)
50	322		50	322		50	322
80	502		80	502		80	652
100	652		100	802		100	802
150	1002		125	1002		125	1002
			150	1252		150	1252

 

 

A38Y、A43H、A37H型双联安全阀是在Y型接头上装设两个同样规格的A48Y或A47H型安全阀而构成，其公称通径系列指Y型接头进口通径