A21H/Y/W/F弹簧微启封闭式安全阀

所属类别：安全阀系列

产品名称：A21H/Y/W/F弹簧微启封闭式安全阀

产品标签：A21W弹簧式微启式安全阀,A21F弹簧封闭式安全阀,KA21Y抗硫弹簧式螺纹安全阀

更新时间：2021/2/17 13:33:32

访问统计：

外螺纹弹簧微启式不锈钢安全阀(A21H)简介

A21系列 Series

A21F-16C A21H-16C A21H-40 A21H-64 A21Y-100 A21H-160 A21W-16P A21W-40P A21F-40P A21W-64P A21W-100P A21W-160P KA21Y-16C KA21Y-16P A21Y-16R A21Y-40R A21Y-64R A21Y-100R A21Y-160R

A21H弹簧微启式外螺纹安全阀适用于工作温度≤200℃的空气、氮、石油气等介质的设备和管路上。A21W型适用于工作温度≤200℃含腐蚀性的气体或液体的设备和管路上。A21F型适用于工作温度≤200℃的液化气、石油气等设备和管路上，作为超压保护装置。

弹簧微启式不锈钢安全阀主要零部件材料 Explanation of materials for main parts
NO.	Name of part	A21H-C/A21F KA21Y-C Materials	A21W-P/A21F-P KA21Y-P Materials	A21Y-R Materials
1	Union	20	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
2	Union nut	35	2Cr13	1Cr18Ni9Ti
3	Nozzle	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Body	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	Disc	2Cr13/2Cr13+PTFE	1Cr18Ni9Ti/1Cr18nI9Ti+PTFE	1Cr18Ni12Mo2Ti
6	Spring washer	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	Spring	50CrVA	50CrVA Coated Teflon	50CrVA Coated Teflon
8	Locking nut	Q235-A	2Cr13	1Cr18Ni9Ti
9	Spring guide	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	Adjusting nut	Q235-A	2Cr13	1Cr18Ni12Mo2Ti
	Sealing surface of material	"Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body

弹簧微启式不锈钢安全阀外形尺寸和连接尺寸 Dimensions (mm)
Type	(DN) Nominal diameter	do	d	Do	M	d1	D1	L	L1	H
KA21Y-16C A21H-16C A21H-40 A21W-16P A21W-40P KA21Y-16P	15	12	15	20	M27 1.5	G1/2"	30	35	76	66
	20	16	20	25	M33 1.5	G3/4"	34	40	87	68
	25	18	25	31	M39 1.5	G1"	40	50	100	105
A21Y-64 A21Y-64P A21Y-100 A21Y-100P	15	10	15	25	M39 1.5	G1"	44	50	100	66
	20	10	20	31	M39 1.5	G1"	44	50	100	68
	25	12	25	31	M39 1.5	G1"	44	50	100	105
A21W-160 /160P	15	8	20	/	M24 2	G1"	44	50	100	261
	20	8	25	/	M33 2	G1"	44	50	100	261
	25	8	28	/	M36 2	G1"	44	50	100	285