Parallel safety reflux valve AHN42F-P25

本阀安装于液化石油气站罐泵出口的液相回流管道上，当泵前压力超过规定值时，阀门自动开启并起回流作用，保证设备和管路的可靠运行。

Product drawing

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Product dimensions

Technical Documentation

1.execution standard：GB/T 12243-2021

2.Structural length standard：GB/T12221-2005

3.Flange Standard：GB/T9113.1-2000

4.试验标准：GB/T13927-2022

Product Parts List

serial number	name	AHN42F-16/25/40/64/100C material	AHN42F-16/25/40/64/100P material	AHN42F-16/25/40/64/100R material
1	阀体	WCB	CF8	CF8M
2	阀座	20Cr13	304	316
3	Adjustment Circle	ZG20Cr13	CF8	CF8M
4	Recoil plate	ZG20Cr13	CF8	316
5	阀瓣	20Cr13	304	316
6	guide bushing	20Cr13	304	316
7	阀盖	ZG230-450	ZG230-450	ZG230-450
8	弹簧	50CrVA	50CrVACovering fluoroplastic	50CrVACovering fluoroplastic
9	阀杆	20Cr13	304	316
10	扳手	ZG200-400	ZG200-400	ZG200-400
11	adjusting screw	45	20Cr13	20Cr13
12	保护	ZG200-400	ZG200-400	316
13	密封面material	堆焊Co基硬质合金

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