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弹簧微启式外螺纹安全阀(A21H)

详细介绍

弹簧微启式外螺纹安全阀(A21H)

SKU:弹簧微启式外螺纹安全阀(A21H)

Description:

系列 Series
A21F-16CA21H-16CA21H-40A21H-64A21Y-100A21H-160A21W-16PA21W-40PA21F-40PA21W-64PA21W-100PA21W-160PKA21Y-16CKA21Y-16PA21Y-16RA21Y-40RA21Y-64RA21Y-100RA21Y-160R
A21F、A21H-C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型适用于温度≤100℃的液化石油气等。
A21F, A21H-C type are used for the equipment and pipeline of the air,ammonia, petroleum gas, etc. medium what the wor-king temperature are less than 200 . A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200 . Take forextrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are lessthan 100
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-RMaterials
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	50CrVACoated Teflon	50CrVACoated 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" CoDepositing stellite, "H" D507 Depositing D507, "W"body

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	M271.5	G1/2"	30	35	76	66
	20	16	20	25	M331.5	G3/4"	34	40	87	68
	25	18	25	31	M391.5	G1"	40	50	100	105
A21Y-64 A21Y-64P A21Y-100 A21Y-100P	15	10	15	25	M391.5	G1"	44	50	100	66
	20	10	20	31	M391.5	G1"	44	50	100	68
	25	12	25	31	M391.5	G1"	44	50	100	105
A21W-160 /160P	15	8	20	/	M242	G1"	44	50	100	261
	20	8	25	/	M332	G1"	44	50	100	261
	25	8	28	/	M362	G1"	44	50	100	285

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