Safety valve A47H series

Application

The A47H safety valve is suitable for equipment or pipelines carrying steam, air, and other media with a working temperature of ≤350°C. When the pressure inside the equipment or pipeline exceeds the allowable value, the valve automatically opens and fully discharges the pressure. When the pressure drops to the specified value, the valve automatically closes, ensuring the safe operation of the equipment and pipelines.

Product Introduction

Main component material

Serial number	Part name	Material
1	Valve body	WCB
2	Valve seat	ZG2Cr13
3	Adjustment ring	ZG2Cr13
4	Valve disc	2Cr13
5	Guide sleeve	2Cr13
6	Valve cover	ZG230-450
7	Spring	50CrVA
8	Valve stem	2Cr13
9	Wrench	ZG200-400
10	Adjustment screw	45
11	Protective cover	ZG200- 400
	Sealing surface material	Co-based hard alloy weld overlay

Main dimensions

Nominal pressure PN(MPa)	Nominal diameter DN(mm)	Dimensions(mm)
Nominal pressure PN(MPa)	Nominal diameter DN(mm)	d₀	L	L₁	DN'
1.6 2.5 4.0	20	15	95	85	20
	25	20	100	85	25
	32	25	115	100	32
	40	32	120	110	40
	50	40	135	120	50
	65	50	140	130	65
	80	65	160	135	80
	100	80	170	160	100
	125	100	190	190	125
	150	125	205	190	150
	200	150	240	230	200

Customer First

Comprehensive product customization
Secondary Quality Testing Before Leaving The Factory
Increased Capacity Based on Customer Demand - Fast Delivery
Provide a Customized Service Process That Dits The Needs of Our Customer

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