A42型弹簧封闭全启式安全阀

尺寸范围：DN20 ~ 400mm
压力等级：PN16 ~ PN100
温度范围：碳钢材质：-20℃~350℃；不锈钢材质：-40℃~450℃；高温定制可达 550℃
连接方式：法兰连接
材质：碳钢 / 合金钢 / 不锈钢
驱动方式：弹簧封闭全启式
适用介质：水、蒸汽、空气、油品、天然气等；不锈钢材质适配弱腐蚀性介质；封闭结构适合有毒 / 易燃介质

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A42型系列
A42Y-16C	A42Y-16P	A42Y-16R	A42Y-40	A42Y-40P
A42Y-40R	A42Y-100	A42Y-100P	A42Y-100R	KA42Y-16
DA42Y-16(P)	A42Y-25	A42Y-25P	A42Y-25R	A21Y-16R
DA42Y-25(P)	A42Y-64	A42Y-64P	A42Y-64R	A42Y-64
KA42Y-64	KA42Y-100	DA42Y-100(P)	DA42Y-25(P)	DA42Y-64(P)

	零件名称	A42Y-C/KA42Y-C	A42Y-P/KA42Y-P	A42Y-R	DA42Y-P
1	阀体	2Cr13/1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	ZG1Cr18Ni9Ti
2	阀座	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	LCB/ZG1Cr18Ni9Ti
3	调节圈	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
4	反冲盘	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
5	阀瓣	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
6	导向套	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
7	阀盖	ZG230-450	ZG230-450	ZG230-450	ZG1Cr18Ni9Ti
8	弹簧	50CrVA	50CrVA 包覆氟塑料	50CrVA 包覆氟塑料	50CrVA
9	阀杆	2Cr13	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
10	调整螺杆	45	2Cr13	2Cr13	2Cr13
11	Cap	ZG200-400	ZG200-400	ZG200-400	ZG230-450
	阀帽 Cap	堆焊 Co基硬质合金

外形尺寸和连接尺寸 (mm)
型号	DN	do	D	K	g	g₁	b	f	f₁	Z-φd	DN¹	D₁	k₁	g³	g²	b₁	f’	f’₁	Z¹-φd¹	L	L₁	≈H
A42Y-16C A42Y-16P A42Y-16R KA42Y-16C DA42Y-16C(P)	20	15	105	75	/	55	16	2	/	4-14	25	115	85	/	65	16	2	/	4-14	110	95	378
	25	16	115	85	/	65	16	2	/	4-14	32	140	100	/	78	18	2	/	4-18	110	95	378
	32	20	140	100	/	78	18	2	/	4-18	40	150	110	/	85	18	3	/	4-18	115	100	378
	40	25	150	110	/	85	18	3	/	4-18	50	165	125	/	100	20	3	/	4-18	120	110	406
	50	32	165	125	/	100	20	3	/	4-18	65	185	145	/	120	20	3	/	4-18	135	120	450
	65	40	185	145	/	120	20	3	/	4-18	80	200	160	/	135	20	3	/	8-18	160	140	520
	80	50	200	160	/	135	20	3	/	8-18	100	220	180	/	155	22	3	/	8-18	170	135	525
	100	65	220	180	/	155	22	3	/	8-18	125	250	210	/	185	22	3	/	8-18	195	175	690
	125	80	250	210	/	185	22	3	/	8-18	150	285	240	/	210	24	3	/	8-23	210	190	780
	150	100	285	240	/	210	24	3	/	8-23	175	310	270	/	240	26	3	/	8-23	255	230	838
	200	125	340	295	/	265	26	3	/	12-23	250	405	355	/	320	30	3	/	12-26	300	260	992
	250	150	405	355	/	320	30	3	/	12-26	300	460	410	/	375	30	4	/	12-26	350	320	1266
	300	220	460	410	/	375	30	4	/	12-26	400	580	525	/	485	36	4	/	16-30	370	350	1283
	350	250	520	470	/	435	34	4	/	16-26	500	715	650	/	608	44	4	/	20-34	500	450	1520
	400	280	580	525	/	485	36	4	/	16-30	500	715	650	/	608	44	4	/	20-34	500	450	1530
A42Y-25C A42Y-25P A42Y-25R KA42Y-25C DA42Y-25(P)	20	15	105	75	/	55	16	2	/	4-14	25	115	85	/	65	16	2	/	4-14	110	95	378
	25	16	115	85	/	65	16	2	/	4-14	32	140	100	/	78	18	2	/	4-18	110	95	378
	32	20	140	100	/	78	18	2	/	4-18	40	150	110	/	85	18	3	/	4-18	115	100	378
	40	25	150	110	/	85	18	3	/	4-18	50	165	125	/	100	20	3	/	4-18	120	110	406
	50	32	165	125	/	100	20	3	/	4-18	65	185	145	/	120	20	3	/	4-18	135	120	450
	65	40	185	145	/	120	22	3	/	8-18	80	200	160	/	135	20	3	/	8-18	160	140	520
	80	50	200	160	/	135	22	3	/	8-18	100	220	180	/	155	22	3	/	8-18	170	135	525
	100	65	230	190	/	160	24	3	/	8-23	125	250	210	/	185	22	3	/	8-18	195	175	690
	125	80	270	220	/	188	28	3	/	8-26	150	285	240	/	210	24	3	/	8-23	210	190	780
	150	100	300	250	/	218	30	3	/	8-26	175	310	270	/	240	26	3	/	8-23	255	230	838
	200	125	360	310	/	278	34	3	/	12-26	250	405	355	/	320	30	3	/	12-26	300	260	992
	250	150	425	370	/	332	36	3	/	12-30	300	460	410	/	375	30	4	/	12-26	350	320	1266
	300	220	485	430	/	390	40	4	/	16-30	400	580	525	/	485	36	4	/	16-30	370	350	1283
A42Y-40C A42Y-40P A42Y-40R KA42Y-40 DA42Y-40(P)	20	15	105	75	51	55	16	2	4	4-14	25	115	85	/	65	16	2	/	4-14	110	95	378
	25	16	115	85	58	65	16	2	4	4-14	32	140	100	/	78	18	2	/	4-18	110	95	378
	32	20	140	100	66	78	18	2	4	4-18	40	150	110	/	85	18	3	/	4-18	115	100	378
	40	25	150	110	76	85	18	3	4	4-18	50	165	125	/	100	20	3	/	4-18	120	110	406
	50	32	165	125	88	100	20	3	4	4-18	65	185	145	/	120	20	3	/	4-18	135	120	450
	65	40	185	145	110	120	22	3	4	8-18	80	200	160	/	135	20	3	/	8-18	160	140	520
	80	50	200	160	121	135	22	3	4	8-18	100	220	180	/	155	22	3	/	8-18	170	135	525
	100	65	235	190	150	160	24	3	4.5	8-23	125	250	210	/	185	22	3	/	8-18	195	175	690
	125	80	270	220	176	188	28	3	4.5	8-26	150	285	240	/	210	24	3	/	8-23	210	190	780
	150	100	300	250	204	218	30	3	4.5	8-26	175	310	270	/	240	26	3	/	8-23	255	230	838
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355	/	320	30	3	/	12-26	300	260	992
	250	150	450	385	313	345	42	3	4.5	12-34	300	460	410	/	375	30	4	/	12-26	350	320	1266
A42Y-64 A42Y-64P A42Y-64R DA42Y-64(P)	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	110	100	264
	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	289
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	130	120	319
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	155	130	389
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	493
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	483
	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	613
	150	88	345	280	204	240	38	3	4.5	8-34	200	375	320	260	282	38	3	4.5	12-30	285	260	894
A42Y-100 A42Y-100P A42Y-100R DA42Y-100(P)	20	10	125	90	51	68	22	2	4	4-18	25	115	85	58	65	16	2	4	4-14	110	100	264
	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	289
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	130	120	319
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	155	130	389
	65	40	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	493
	80	50	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	483
	100	65	265	210	150	172	38	3	4.5	8-30	125	270	220	176	188	28	3	4.5	8-25	195	195	613
	150	88	355	290	204	250	46	3	4.5	12-34	200	375	320	260	282	38	3	4.5	12-30	285	260	894

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A42型 弹簧封闭全启式安全阀

A42型弹簧封闭全启式安全阀