High temperature and high pressure spring full open safety valve

Technical Parameters

Product model: A48Y/A48SB
Nominal diameter: DN25-200mm
Nominal pressure: PN6.4~16.0MPa
Applicable temperature: -29 ° C~550 ° C
Applicable medium: steam, condensate

Product Details

Overview

High temperature and high pressure spring fully open safety valves are suitable for steam and other medium equipment or pipelines with operating temperatures of "C type" ≤ 425 ℃; "I type" ≤ 500 ℃; and "V type" ≤ 500 ℃. They are used as overpressure protection devices. The connection flange standard is in accordance with JB/T 94 series 1 and 2.

Main overall connection dimensions

model	DN	do	D	K	g	g1	b	f	f1	Z-?d	DN	D1	K1	g3	g2	b1	f	f1	z1-?d1	L	L1	≈H
A48Y-16C A48Y-16I A48Y-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		265	26	3		12-23	250	405	355		320	30	3		12-26	290	210	1135
A48Y-40 A48Y-40I A48Y-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	185	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	3		8-23	225	175	892
	150	100	300	250	204	218	30	3	4.5	8-26	200	340	295		265	26	3		12-23	240	235	1135
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355		320	30	3		12-26	290	310	1135
A48Y-64 A48SB-64 A48Y-64I A48SB-64I A48Y -64V A48SB-64V	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	429
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	421
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	540
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	160	130	618
	50	32	180	135	88	105	26	3	4	4-23	80	200	160	121	135	22	3	4	8-18	160	145	710
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	710
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	730
	100	65	250	200	150	168	32	3	4.5	8-26	125	270	220	176	188	28	3	4.5	8-25	220	200	800
	100	65	250	200	150	168	32	3	4.5	8-26	150	300	250	204	218	30	3	4.5	8-26	220	200	892
	150	100	345	280	204	240	38	3	4.5	8-34	200	375	320	260	282	38	3	4.5	12-30	280	280	1135
	200	125	405	345	260	300	44	3	4.5	12-36	250	450	385	313	345	42	3	4.5	12-34	300	295	1135
A48Y-100 A48SB-100 A48Y-100I A48SH-100I A48Y-100V A48SB-100V	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	429
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	421
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	540
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	160	130	618
	50	32	195	145	88	112	28	3	4	4-26	80	200	160	121	135	22	3	4	8-18	160	145	710
	65	32	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	710
	80	40	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	730
	100	50	265	210	150	172	38	3	4.5	8-30	125	270	220	176	188	28	3	4.5	8-25	220	200	800
	100	50	265	210	150	172	38	3	4.5	8-30	150	300	250	204	218	30	3	4.5	8-26	220	200	892
	150	80	355	290	204	250	46	3	4.5	12-34	200	375	320	260	282	38	3	4.5	12-30	280	280	1135
	200	125	430	360	260	312	54	3	4.5	12-36	250	450	385	313	345	42	3	4.5	12-34	300	295	1135
A48SH-40	50	32	160	125	88	105	38	3	4	4-18	80	195	160	/	135	20	3	/	8-18	124	137	525
A48TH-100	50	32	195	145	88	112	50	3	4	4-26	80	200	160	121	135	22	3	4.5	8-18	160	145	580
A48SB-160	80	40	260	205	121	168	65	15	4	8-30	150	300	250	204	218	30	3	4.5	8-25	215	210	1175

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