A21H/F-弹簧微启式外螺纹安全阀-上海美核阀门有限公司手机版

产品简介

A21F、A21H-C弹簧微启式螺纹安全阀型适用于工作温度≤200℃的空气、氨、石油气等介质的设备或管路上。A21W-P、R型弹簧微启式螺纹安全阀适用于温度≤ 200℃有腐蚀性的气体或液体的设备或管路上，作为超压保护装置。KA21Y型弹簧微启式螺纹安全阀适用于温度≤100℃的液体石油气等。

详细介绍

A21H/F弹簧微启式外螺纹安全阀产品概述

主要零部件材料

NO.	零件名称	A21H-C/A21F材料	A21W-P/A21F-P材料	A21Y-R材料
1	管接头	20	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
2	管接头螺母	35	2Cr13	1Cr18Ni9Ti
3	阀座	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	阀体	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	阀瓣	2Cr13/2Cr13+PTFE	1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE	1Cr18Ni12Mo2Ti
6	弹簧座	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	弹簧	50CrVA	50CrVA包覆氟塑料	50CrVA包覆氟塑料
8	锁紧螺母	Q235-A	ZG230-450	1Cr18Ni9Ti
9	弹簧导向垫	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	调节螺母	Q235-A	2Cr13	1Cr18Ni12Mo2Ti
	密封面材料	"Y"型堆焊Co基硬质合金,"H"型堆焊D507,"W"型为阀门本体

A21H/F弹簧微启式外螺纹安全阀示意图

主要外形尺寸和连接尺寸

型号	公称通径	do	d	Do	M	d1	D1	L	L1	≈H
KA21-16C A21H-16C A21H-40 A21W-16P A21W-40P KA21-16P	15	12	15	20	M27×1.5	G1/2"	30	35	76	66
	20	16	20	25	M33×1.5	G3/4"	35	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

4436 [{"ID":"747581","CompanyID":"51142","Title":"约克冷冻机安全阀12DG13FNCF尺寸参数","Picture":"mt0002/3/20190715/636987817065658839688.jpg","PictureDomain":"img71","UpdateTime":"2024/9/27 7:22:16","CreateTime":"2024/9/27 7:22:16","ClassName":"技术交流","rn":"3"},{"ID":"747051","CompanyID":"140994","Title":"安全阀（工作原理，厂家，价格，型号）","Picture":"","PictureDomain":"","UpdateTime":"2024/9/24 7:09:03","CreateTime":"2024/9/24 7:09:03","ClassName":"技术交流","rn":"4"}]