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A48Y不銹鋼安全閥適用范圍

A48Y型安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質的設備和管路上，A44Y適用于工作溫度≤300℃的空氣、石油等介質的設備和管路上作為超壓保護裝置，連接法蘭標準按PN<6.4MPa按JB/T-94系列1標準,PN≥6.4MPa按JB/T-94系列2標準。

產品型號 Type of the products

A48Y-16C	A44Y-16C	A44Y-16P	A44Y-16R
A48Y-25	A44Y-25	A44Y-25P	A44Y-25R
A48Y-40	A44Y-40	A44Y-40P	A44Y-40R
A48Y-64	A44Y-64	A44Y-64P	A44Y-64R
A48Y-100	A44Y-100	A44Y-100P	A44Y-100R

A48Y不銹鋼安全閥主要零部件材料 Meterial for main parts

序號No.	零件名稱 Name of part	A48Y-C A44Y-C材料 Materials	A44Y-P 材料 Materials	A44Y- R 材料 Materials
1	閥體 Body	WCB	ZG1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
2	閥座 Nozzle	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
3	調節圈 Adjusting ring	ZG2Cr13	ZG1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	反沖盤 Disc holde	ZG2Cr13	ZG1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	閥瓣 Disc	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	導向套 Guide sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	閥蓋 Bonnet	ZG230-450	ZG230-450	ZG230-450
8	彈簧 Spring	50CrVA	50CrVA包覆氟塑料 Coated Teflon	50CrVA包覆氟塑料 Coated Teflon
9	閥桿 Stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
10	扳手 Lever	ZG200-400	ZG200-400	ZG200-400
11	調整螺桿 Adjusting bolt	45	2Cr13	2Cr13
12	保護罩 Cap	ZG200-400	ZG200-400	316
	密封面材料 Sealing surface of material	堆焊Co基硬質合金Depositing slite

A48Y不銹鋼安全閥主要連接尺寸（mm） Size of main connection

公稱通徑DN Nominal Diameter	尺寸（mm） Size
公稱通徑DN Nominal Diameter	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	155	661
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	1073
250	150	405	355	-	320	30	3	-	12-￠26	300	460	410	-	375	30	4	-	12-￠26	350	320	1307
300	220	460	410	-	375	30	4	-	12-￠26	400	580	525	-	485	36	4	-	16-￠30	370	350	1233
350	250	520	470	-	435	34	4	-	16-￠26	500	715	650	-	608	44	4	-	20-￠34	500	450	1711
400	280	580	525	-	485	36	4	-	16-￠30	500	715	650	-	608	44	4	-	20-￠34	500	450	1780
A48Y-40 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	155	661
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	1073
250	150	425	370	-	332	36	3	-	12-￠30	300	460	410	-	375	30	4	-	12-￠26	350	320	1307
300	220	485	430	-	390	40	4	-	16-￠30	400	580	525	-	485	36	4	-	16-￠30	370	350	1233
350	250	555	490	-	448	44	4	-	16-￠34	500	715	650	-	608	44	4	-	20-￠34	500	450	1711
400	280	620	550	-	505	48	4	-	16-￠36	500	715	650	-	608	44	4	-	20-￠34	500	450	1780
A48Y-40 A44Y-40 A44Y-40P A44Y-25R
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	58	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	155	661
100	65	235	190	150	160	24	3	4.5	8-￠23	125	250	210	-	185	22	3	-	8-￠18	195	175	667
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	1073
250	150	450	385	313	345	42	3	4.5	12-￠34	300	460	410	-	375	30	4	-	12-￠26	350	320	1307
300	220	515	450	364	408	46	4	4.5	16-￠34	400	580	525	-	485	36	4	-	16-￠30	370	350	1233
350	250	580	510	422	465	52	4	5	16-￠36	500	715	650	-	608	44	4	-	20-￠34	500	450	1711
400	280	660	585	474	535	58	4	5	16-￠41	500	715	650	-	608	44	4	-	20-￠34	500	450	1780
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	67	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	135	88	112	28	3	4	4-￠26	65	185	145	110	120	22	3	4	8-￠18	155	135	425
65	32	220	160	110	138	32	3	4	8-￠26	80	200	160	121	135	22	3	4	8-￠18	175	160	570
80	40	230	170	121	148	34	3	4	8-￠26	100	235	190	150	160	24	3	4.5	8-￠23	175	160	560
100	50	265	200	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	280	204	250	46	3	4.5	12-￠34	200	375	320	260	282	38	3	4.5	12-￠30	280	265	935