产品品牌：

CNVA

产品型号：

(A28H)

连接形式：

螺纹

材质：

不锈钢

阀瓣开启高度：

全启式安全阀

结构形式：

弹簧式

SKU:带手柄弹簧全启式安全阀(A28H) Description: 系列 Series A28H-10 A28Y-10P A28Y-10R8 A28Y-25R8 A28Y-40R8 A28H-16 A28Y-16P A28Y-16R8 A28Y-25R8 A28Y-40R8 A28H型适用于工作温度≤200℃的空气、蒸汽、水、氮氢混合气等介质的设备或管路上，A28Y-P/10R8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。 A28H type are used for the equipment and pipeline of the air, N2, H2 mixed gas vapour etc.medium what the working temp-erature are less than 200 . A28Y-P/10R8 type are used for the equipment  and pipeline of the quality with corrode medium what the working temperature are less than 200 . Take for extra pressure protedion devices. 主要零部件材料 Explanation of materials for main parts

NO.	Name of part	A28H Materials	A28Y-P Materials	A28Y-R8       Materials
1	Body	HT200	ZG1Cr18Ni9Ti	CF8M
2	Nozzle	35	ZG1Cr18Ni9Ti	CF8M
3	Adjusting ring	2Cr13	1Cr18Ni9Ti	316
4	Disc	2Cr13	1Cr18Ni9Ti	316
5	Spring	50CrVA	50CrVA Coated Teflon	50CrVA Coated Teflon
6	Stem	2Cr13	2Cr13	316
7	Adjusting bolt	45	2Cr13	316
8	Cap	ZG200-400	ZG200-400	CF8M
	Sealing surface of material	D507 Depositing D507	Co Depositing stellite
10	Adjusting nut	Q235-A	2Cr13	1Cr18Ni12Mo2Ti
	Sealing surface of material	"Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body

外形尺寸和连接尺寸 Dimensions (mm)

Nominal diameter DN (mm)	Dimensions (mm)
	do	Rc	G	L	L1	H
15	10	1/2"	3/4"	37	62	189
20	12	3/4"	1"	40	65	196
25	15	1"	11/ " 4	45	72	277
32	20	11/ "	1	55	85	312
40	25	11/ "	2"	67	100	322
50	32	2"	21/ " 2	76	112	348
65	40	21/ "	3"	110	135	370
80	50	3"	4"	110	145	410