Safety valve A48SH series

Application

This valve is suitable for use in steam and other media equipment or pipelines with operating temperatures of ≤425°C for Type C, ≤500°C for Type I, and ≤550°C for Type V, serving as an overpressure protection device.

Product Introduction

Main component materials

Serial number	Part name	Material
Serial number	Part name	Type C	Type I	Type V
1	Valve body	WCB	ZG1Cr5Mo	ZG15Cr11Mo1V
2	Valve seat	2Cr13	1Cr18Ni9Ti	12Cr1MoVA
3	Adjustment ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
4	Valve disc	2Cr13	17-4PH	17-4PH
5	Guide sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
6	Radiator	ZG230-450	ZG230-450	ZG230-450
7	Valve cover	ZG230-450	ZG230-450	ZG230-450
8	Spring	50CrVA	50CrVA	50CrVA

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	25	15	110	95	32
	32	20	115	100	40
	40	25	120	110	50
	50	32	135	120	65
	65	40	160	125	80
	80	50	170	135	100
	100	65	195	175	125
	150	100	250	210	175
	200	125	305	260	250
6.4 10.0	50	32	160	145	80
6.4 10.0	100	50	255	225	150

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	25	15	110	100	32
	32	20	130	110	40
	40	25	135	120	50
	50	32	160	130	65
	65	40	175	160	80
	80	50/40	175	160	100
	100	65/50	220	200	125
	150	100/80	280	280	200
	200	100	300	300	250
4.0 16.0	50	32	160	145	80
4.0 16.0	80	40	230	210	150

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Safety valve A48SH series

Safety valve

Safety valve A48SH series

Product Introduction

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