弹簧微启封闭式安全阀
A41H弹簧微启封闭式安全阀适用于工作 ≤300℃的石油气、空气、水等介质的设备或管路上。A41Y-P/R弹簧微启封闭式安全阀适用于工作温度≤200℃ 有腐蚀性介质的设备或管路上，作为超压保护装置。连接法兰标准按JB/T......94/系列1。
Scope of application
A41H type are used for the equipment and pipeline of the petroleum gas air water etc medium what are working temperature are less than ≤300℃ A41Y-P/R type are used for the equipment and pipeline of the quality with corrode medium what the wirking temperatrue are less than 200℃ Take for extra pressure devices Flange connecting dimentsions of comply with Standard series first of JB/T...94
弹簧微启封闭式安全阀产品型号 Type of the products

A41H-16C	A41Y-64P
A41H-25	A41Y-100P
A41H-40	KA41Y-25P
A41Y-64	A41Y-16R
A41Y-100	A41Y-25R
KA41H-16C	A41Y-40R
A41Y-16P	A41Y-64R
A41Y-25P	A41Y-100R
A41Y-40P	KA41Y-40R

 
弹簧微启封闭式安全阀主要零部件材料 Meterial for main parts

序号No.	零件名称 Name of part	A41H-C/KA41Y-C材料 Materials	A41Y-P/KA41Y-P 材料 Materials	A41Y-R/KA41Y-R 材料 Materials
1	阀体 Body	WCB	ZG1Cr8Ni9Ti	ZG1Cr18Ni12Mo2Ti
2	阀座 Nozzle	ZG2Cr13/1Cr18Ni9Ti	ZG1Cr8Ni9Ti	ZG1Cr18Ni12Mo2Ti
3	调节圈 Adjusting ring	ZG2Cr13/1Cr18Ni9Ti	ZG1Cr8Ni9Ti	ZG1Cr18Ni12Mo2Ti
4	阀瓣 Disc	2Cr13/1Cr18Ni9Ti	1Cr8Ni9Ti	1Cr18Ni12Mo2Ti
5	导向套 Guide sleeve	ZG2Cr13/1Cr18Ni9Ti	ZG1Cr8Ni9Ti	ZG1Cr18Ni12Mo2Ti
6	阀盖 Bonnet	ZG230-450	ZG230-450	ZG230-450
7	弹簧 Spring	50CrVA	50CrVA包覆氟塑料 Coated Teflon	50CrVA包覆氟塑料 Coated Teflon
8	阀杆 Stem	2Cr13	2Cr13	1Cr18Ni12Mo2Ti
9	调整螺杆 Adjusting bolt	45	2Cr13	2Cr13
10	保护罩 Cap	ZG200-400	ZG200-400	ZG200-400
	密封面材料 Sealing surface of material	堆焊D507	堆焊Co基硬质合金Depositing stellite

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