带扳手弹簧全启式安全阀(A48Y)

带扳手弹簧全启式安全阀(A48Y) 系列 Series
A48Y-16C A48Y-25 A48Y-40 A48Y-64 A48Y-100 A44Y-16C A44Y-25 A44Y-40 A44Y-64 A44Y-100 A44Y-16P A44Y-25P A44Y-40P A44Y-64P A44Y-100P A44Y-16R A44Y-25R A44Y-40R A44Y-64R A44Y-100R
A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y适用于工作温度≤300℃的空气、石油等介质的设备或管路上，作为超压保护装置。连接法兰标准PN<6.4MPa按JB/T-94系例1。PN≥6.4MPa按JB/T-94系列2标准。
A48Y type are usedfor the equipment and pipeline of the with steam and air etc medium what the working temperature are less than 350 . A44Y type are used for the equi-pment and pipeline of the with air and petroleum gas medium what the working temperature are less than 300 , Take for extra pre-ssure protection devices. Flange connecting dimensions of comply with Standard series first of JB/T-94 when the pressure less than 6.4MPa, comply with Standard series two of JB/T-94 when more than 6.4MPa.
主要零部件材料 Materials for main parts
NO.	Name of part	A48Y-C A44Y-C 材料Materials	A44Y-P 材料 Materials	A44Y-R 材料 Materials
1	阀体Body	WCB	ZG1Cr18Ni9Ti	CF8M
2	阀座Nozzle	2Cr13	1Cr18Ni9Ti	316
3	调节圈 Adjusting ring	ZG2Cr13	ZG1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
4	反冲盘 Disc holder	ZG2Cr13	ZG1Cr18Ni9Ti	316
5	阀瓣Disc	2Cr13	1Cr18Ni9Ti	316
6	导向套Guide sleeve	2Cr13	1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
7	阀盖Bonnet	ZG230-450	ZG230-450	ZG230-450
8	弹簧 Spring	50CrVA	50CrVA包覆氟塑料 Coated Teflon	50CrVA包覆氟塑料 Coated Teflon
9	阀杆Stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	扳手Lever	ZG200-400	ZG200-400	ZG200-400
11	调整螺杆Adjusting bolt	45	2Cr13	2Cr13
12	保护罩Cap	ZG200-400	ZG200-400	316
	密封面材料 Sealing surface of material	堆焊Co基硬质合金 Depositing stellite

带扳手弹簧全启式安全阀(A48Y)

外形尺寸和连接尺寸 Dimensions (mm)
Type	(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 A44Y-16C A44Y-16P A44Y-16R	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145		120	20	3		4-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160		135	20	3		8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	220	180		155	20	3		8-18	125	250	210		185	22	3		8-18	195	175	667
	125	80	250	210		185	22	3		8-18	150	285	240		210	24	3		8-23	210	190	857
	150	100	285	240		210	24	3		8-23	175	310	270		240	26	3		8-23	255	230	915
	200	125	340	295		265	26	3		12-23	250	405	355		320	30	3		12-26	300	260	1,073
	250	150	405	355		320	30	3		12-26	300	460	410		375	30	4		12-26	350	320	1,307
	300	220	460	410		375	30	4		12-26	400	580	525		485	36	4		16-30	370	350	1,233
	350	250	520	470		435	34	4		16-26	500	715	650		608	44	4		20-34	500	450	1,711
	400	280	580	525		485	36	4		16-30	500	715	650		608	44	4		20-34	500	450	1,780
A48Y-25 A44Y-25 A44Y-25P A44Y-25R	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145		120	22	3		8-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160		135	22	3		8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	230	190		160	24	3		8-23	125	250	210		185	22	3		8-18	195	175	667
	125	80	270	220		188	28	3		8-26	150	285	240		210	24	3		8-23	210	190	857
	150	100	300	250		218	30	3		8-26	175	310	270		240	26	3		8-23	255	230	915
	200	125	360	310		278	34	3		12-26	250	405	355		320	30	3		12-26	300	260	1,073
	250	150	425	370		332	36	3		12-30	300	460	410		375	30	4		12-26	350	320	1,307
	300	220	485	430		390	40	4		16-30	400	580	525		485	36	4		16-30	370	350	1,233
	350	250	555	490		448	44	4		16-34	500	715	650		608	44	4		20-34	500	450	1,711
	400	280	620	550		505	48	4		16-36	500	715	650		608	44	4		20-34	500	450	1,780
A48Y-40 A44Y-40 A44Y-40P A44Y-40R	20	15	105	75	51	55	16	2	4	4-14	25	115	85		65	16	2		4-14	110	95	411
	25	16	115	85	68	65	16	2	4	4-14	32	140	100		78	18	2		4-18	110	95	411
	32	20	140	100	66	78	18	2	4	4-18	40	150	110		85	18	3		4-18	115	100	411
	40	25	150	110	76	85	18	3	4	4-18	50	165	125		100	20	3		4-18	120	110	472
	50	32	165	125	88	100	20	3	4	4-18	65	185	145		120	20	3		4-18	135	120	532
	65	40	185	145	110	120	22	3	4	8-18	80	200	160		135	20	3		8-18	160	140	556
	80	50	200	160	121	135	22	3	4	8-18	100	220	180		155	22	3		8-18	170	135	561
	100	65	235	190	150	160	24	3	4.5	8-23	125	250	210		185	22	3		8-18	195	175	697
	125	80	270	220	176	188	28	3	4.5	8-26	150	285	240		210	24	3		8-23	210	190	857
	150	100	300	250	204	218	30	3	4.5	8-26	175	310	270		240	26	3		8-23	255	230	915
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355		320	30	3		12-26	300	260	1,073
	250	150	450	385	313	345	42	3	4.5	12-34	300	460	410		375	30	4		12-26	350	320	1,307
	300	220	515	450	364	408	46	4	4.5	16-34	400	580	525		485	36	4		16-30	370	350	1,233
	350	250	580	510	422	465	52	4	5	16-36	500	715	650		608	44	4		20-34	500	450	1,711
	400	280	660	585	474	535	58	4	5	16-41	500	715	650		608	44	4		20-34	500	450	1,711
A48Y-64 A44Y-64 A44Y-64P A44Y-64R	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	96	85	297
	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	310
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	322
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	352
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	155	135	425
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	570
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	560
	100	65	250	200	150	168	32	3	4.5	8-26	125	270	220	176	188	28	3	4.5	8-25	195	195	690
	150	100	345	280	204	240	38	3	4.5	8-34	200	375	320	260	282	38	3	4.5	12-30	280	265	935
A48Y-100 A44Y-100 A44Y-100P A44Y-100R	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	96	85	297
	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	310
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	322
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	352
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	155	135	425
	65	32	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	570
	80	40	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	560
	100	50	265	210	150	172	38	3	4.5	8-30	125	270	220	176	188	28	3	4.5	8-25	195	195	690
	150	80	355	290	204	250	46	3	4.5	12-34	200	375	320	260	282	38	3	4.5	12-30	280	265	935