系列 Series
A38Y-16C/25/40  A43H-16C/25/40   A37H-16C/25/40
本閥門適用于工作溫度≤350℃的蒸汽、水等介質的設備和管路上。作為超壓保護裝置。連接法蘭標準按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、A43H、A37H型雙聯安全閥是在Y型接頭上裝設兩個同樣規格的A48Y或A47H型安全閥而構成，其公稱通徑系列指Y型接頭進口通徑，其組合情況如下表：
A38Y,  A43H, A37H  type twin safety valve is composed of  two A48Y or A47Y type safety valves with the same specifications. Which are fixed on a Y-shaped joint. The nominal  diameter is the inlet diameter of  the Y-shaped joint. Here is the table to show its combination.
外形尺寸和連接尺寸 Dimensions （mm）

系列 Series
A38Y-16C/25/40  A43H-16C/25/40   A37H-16C/25/40
本閥門適用于工作溫度≤350℃的蒸汽、水等介質的設備和管路上。作為超壓保護裝置。連接法蘭標準按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、A43H、A37H型雙聯安全閥是在Y型接頭上裝設兩個同樣規格的A48Y或A47H型安全閥而構成，其公稱通徑系列指Y型接頭進口通徑，其組合情況如下表：
A38Y,  A43H, A37H  type twin safety valve is composed of  two A48Y or A47Y type safety valves with the same specifications. Which are fixed on a Y-shaped joint. The nominal  diameter is the inlet diameter of  the Y-shaped joint. Here is the table to show its combination.
外形尺寸和連接尺寸 Dimensions （mm）

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