弹簧微启式安全阀(A61Y)

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Description:

系列 Series
A61H-160A61Y-320A61Y-160PA61Y-320P
A61-160，A61-320适用于工作温度≤200℃的空气、氨、石油气等介质的设备和管路上，A61Y-160P，A61Y-320P型适用于温度≤200℃有腐蚀性的气体或液体的设备和管路上，作为超压保护装置。
A61-160, A61-320 type are used for the equipment and pipeline of the air, ammonia,petr-oleum gas etc.medium what theworking temperature are less than 200 , A61Y-160P , A61Y-320P type are used for the equipment and pi- peline of the quality with corrode gas and liquidmedium what the working temperature are lessthan 200 . Take for extra pressureprotection devices.
主要零部件材料 Explanation of materials for main parts
NO.	Name of part	A61H-C A61Y-C Materials	A61Y-P Materials
1	Union	20	1Cr18Ni9Ti
2	Union nut	35	1Cr18Ni9Ti
3	Nozzle	2Cr13	1Cr18Ni9Ti
4	Body	35/35CrMoA	1Cr18Ni9Ti
5	Disc	2Cr13	1Cr18Ni9Ti
6	Guide	2Cr13	1Cr18Ni9Ti
7	Spring	50CrVA	50CrVACoated Teflon
8	Stem	2Cr13	2Cr13
9	Bonnet	ZG230-450	1Cr18Ni9Ti
10	Adjusting bolt	45	2Cr13
11	Cap	ZG200-400	1Cr18Ni9Ti
	Sealing surface of material	"Y" CoDepositing stellite, "H" D507 Depositing D507