Safety valve ASAV42H series

Application
AY42H and A802Y safety relief valves can be used on the pipelines of high-pressure water injection pump stations as overpressure protection devices.

Product Introduction

Main Performance Parameters

Model	PN	Set Pressure (Mpa)	Applicable Temperature (°C）	Applicable Medium
AY42H-160P	160	6.3- 16.0	≤200	Water, oil, etc.
AY42H-250P	250	10.0-25.0
AY42H- 400P	400	20.0- 40.0

Main component materials

Serial number	Part name	Material
Serial number	Part name	AY42H- 160 /250 /400P
1	Valve body	Lekingqin stainless steel
2	Valve seat	Lekingqin stainless steel
3	Valve disc	Lekingqin stainless steel
4	Valve stem	Lekingqin stainless steel
5	Spring	50CrVA
6	Valve cover	25
7	Flange	25

Main dimensions

Nominal diameter DN（mm)	Dimensions (mm)
Nominal diameter DN（mm)	D	D₁	D₆	b	z ×Φd	M	G	L	L₁	H
15	135	95	25	25	4 x 22	M48 x 2	Rc1	65	140	329
20	165	115	30	28	6 x 26	M52 x 2	Rc1 ½	80	150	447
25	200	145	38	40	6 x 29	M80 x 3	Ac2	90	180	485
32	225	170	42	50	6 x 33	M100 x 3	Rc2 ½	100	200	570

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