Product Details

A48SH High Temperature and High Pressure Safety Relief Valve
Pressure Protection Device for the equipment and pipeline of the steam, ect. The working temperature with Carbon Material Type are less than 425ºC and with WC6 Material type are less than 500ºC and WC9 Material Type are less than 550ºC.

A48SH High Temperature and High Pressure Safety Relief Valve Features:
1. With Heat Radiator, which can be used for working temp higher than 425 Deg C.
2. Spring material can also be supplied with 30W4 material which can be used for high temperature.
3. Different material can be supplied based on the temperature requirement.

A48SH High Temperature and High Pressure Safety Valve Material

NO	Parts	Cast Steell Material	WC6 Material	WC9 Material
1	Body	WCB	ZG1Cr5Mo	ZG15Cr1MoV
2	Seat	2Cr13	1Cr18Ni9Ti	12Cr1MoVA
3	Adjusting Ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
4	Disc	2Cr13	17-4PH	17-4PH
5	Guiding Sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
6	Heat Radiator	ZG230-450	ZG230-450	ZG230-450
7	Bonnet	ZG230-450	ZG230-450	ZG230-450
8	Spring	50CrVA	50CrVA	50CrVA

A48SH High Temperature and High Pressure Safety Valve Dimension.

Model	DN	do	D	K	g	g1	b	f	f1	Z-φd	DN	D1	K1	g3	g2	b1	f	f1	Zr-φd1	L	L1	≈H
GAA48Y-16C GAA48Y-16I GAA48Y-16V	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	115	540
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	618
	65	40	185	145		120	20	3		4-18	80	200	160		135	20	3		8-18	160	140	710
	80	50	200	160		135	20	3		8-18	100	220	180		155	22	3		8-18	160	150	730
	100	65	220	180		155	20	3		8-18	150	285	240		210	24	3		8-23	225	175	892
	150	100	285	240		210	24	3		8-23	200	340	295		265	26	3		12-23	240	235	1135
	200	125	340	295		165	26	3		12-23	250	405	355		320	30	3		12-26	290	210	1135
GAA48Y-40 GAA48Y-40I GAA48Y-40V	25	16	115	85	58	65	16	2	4	4-14	32	140	100		78	18	2		4-18	110	95	429
	32	20	140	100	66	78	18	2	4	4-18	40	150	110		85	18	3		4-18	115	100	421
	40	25	150	110	76	85	18	3	4	4-18	50	165	125		100	20	3		4-18	120	115	540
	50	32	165	125	88	100	20	3	4	4-18	65	165	145		120	20	3		4-18	135	120	618
	65	40	185	145	110	120	22	3	4	8-18	80	200	160		135	20	3		8-18	160	140	710
	80	50	200	160	121	135	22	3	4	8-18	100	220	180		155	22	3		8-18	160	150	730
	100	65	235	190	150	160	24	3	4.5	8-23	150	285	240		210	24<%

6.4 10.0	25	15	32	110	100
	32	20	40	130	110
	40	25	50	135	120
	50	32	65	160	130
	50	32	80	160	145
	65	40	80	175	160
	80	50/40	100	175	160
	100	65/50	125	220	200
	100	50	150	255	225
	150	100/80	200	280	280
	200	100	250	300	300
16.0	50	32	80	160	145
16.0	80	40	150	230	210