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彈簧微啟封閉式安全閥指依靠彈簧的彈性壓力而將閥的瓣膜或柱塞等密封件閉鎖,一旦當(dāng)壓力容器的壓力異常后產(chǎn)生的高壓將克服安全閥的彈簧壓力,所以閉鎖裝置被頂開,形成了一個(gè)泄壓通道,將高壓泄放掉。

彈簧微啟封閉式安全閥區(qū)別于一般的全啟式安全閥，其泄壓后可自動(dòng)關(guān)閉,無需人手動(dòng)復(fù)位,A41H彈簧微啟封閉式安全閥適用于工作溫度≤300℃的石油氣、空氣、水等介質(zhì)的設(shè)備或管路上。A41Y-P/R不銹鋼安全閥適用于工作溫度≤200℃有腐蝕性介質(zhì)的設(shè)備或管路上,作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T……94/系列1。

Scope of application（SANJING VALVE）

A41H type are used for the equipment and pipeline of the petroleum gas air water etc medium what are working temperature are less than ≤300℃ A41Y-P/R type are used for the equipment and pipeline of the quality with corrode medium what the wirking temperatrue are less than 200℃ Take for extra pressure devices Flange connecting dimentsions of comply with Standard series first of JB/T...94

彈簧微啟封閉式安全閥主要零部件材料

NO	零件名稱	A41Y-160材料	A41Y-160P材料	A41Y-160R材料
1	法蘭	35/35CrMoA	2Cr13	1Cr18Ni9Ti
2	閥座	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
3	閥體	35/40	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	閥瓣	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	導(dǎo)向套	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	彈簧	50CrVA	50CrVA包覆氟塑料	50CrVA包覆氟塑料
7	閥桿	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
8	閥蓋	ZG230-450	1Cr18Ni9Ti	1Cr18Ni9Ti
9	調(diào)整螺桿	45	2Cr13	2Cr13
10	閥帽	ZG200-400	1Cr18Ni9Ti	1Cr18Ni9Ti
	閥座、閥瓣密封面	堆焊Co基硬質(zhì)合金

A41H彈簧微啟封閉式安全閥外形尺寸和連接尺寸

型號(hào)	公稱通徑	do	D	K	g	g1	b	f	f1	Z-?d	DN’	D1	K1	g2	g’	b1	f’	f1’	Z1-?d1	L	L1	≈H
A41H-16C A41Y-16P A41Y-16R KA41Y-16C KA41Y-16P	20	15	105	75	-	55	16	2	-	4-14	20	105	75	55	-	16	2	-	4-14	100	85	276
	25	20	115	85	-	65	16	2	-	4-14	25	115	85	65	-	16	2	-	4-14	100	85	276
	32	25	140	100	-	78	18	2	-	4-18	32	140	100	78	-	18	2	-	4-18	115	100	285
	40	32	150	110	-	85	18	3	-	4-18	40	150	110	85	-	18	3	-	4-18	120	110	292
	50	40	165	125	-	100	20	3	-	4-18	50	165	125	100	-	20	3	-	4-18	135	120	370
	65	50	185	145	-	120	20	3	-	4-18	65	185	145	120	-	20	3	-	4-18	140	130	375
	80	65	200	160	-	135	20	3	-	8-18	80	200	160	135	-	20	3	-	8-18	160	135	373
	100	80	220	180	-	155	22	3	-	8-18	100	220	180	155	-	22	3	-	8-18	170	160	513
	125	100	250	210	-	185	22	3	-	8-18	125	250	210	185	-	22	3	-	8-18	190	190	560
	150	125	285	240	-	210	24	3	-	8-23	150	285	240	210	-	24	3	-	8-23	205	195	570
	200	150	340	295	-	265	26	3	-	12-23	200	340	295	265	-	26	3	-	12-23	240	230	717
	250	200	405	355	-	320	30	3	-	12-26	250	405	355	320	-	30	3	-	12-26	350	320	940
	300	250	460	410	-	375	30	4	-	12-26	300	460	410	375	-	30	4	-	12-26	350	320	980
A41H-25 A41Y-25P A41Y-25R KA41Y-25 KA41Y-25P	20	15	105	75	-	55	16	2	-	4-14	20	105	75	55	-	16	2	-	4-14	100	85	276
	25	20	115	85	-	65	16	2	-	4-14	25	115	85	65	-	16	2	-	4-14	100	85	276
	32	25	140	100	-	78	18	2	-	4-18	32	140	100	78	-	18	2	-	4-18	115	100	285
	40	32	150	110	-	85	18	3	-	4-18	40	150	110	85	-	18	3	-	4-18	120	110	292
	50	40	165	125	-	100	20	3	-	4-18	50	165	125	100	-	20	3	-	4-18	135	120	370
	65	50	185	145	-	120	22	3	-	8-18	65	185	145	120	-	20	3	-	4-18	140	130	375
	80	65	200	160	-	135	24	3	-	8-18	80	200	160	135	-	20	3	-	8-18	160	135	373
	100	80	230	190	-	160	24	3	-	8-23	100	220	180	155	-	20	3	-	8-18	170	160	513
	125	100	270	220	-	188	28	3	-	8-26	125	250	210	185	-	22	3	-	8-18	190	190	560
	150	125	300	250	-	218	30	3	-	8-26	150	285	240	210	-	24	3	-	8-23	205	195	570
	200	150	360	310	-	278	34	3	-	12-26	200	340	295	265	-	26	3	-	12-23	240	230	717
	250	200	425	370	-	332	36	3	-	12-30	250	405	355	320	-	30	3	-	12-26	350	320	940
	300	250	485	430	-	390	40	4	-	16-30	300	460	410	375	-	30	4	-	12-26	350	320	980
A41H-40 A41Y-40P A41Y-40R KA41Y-40 KA41Y-40P	20	15	105	75	51	55	16	2	4	4-14	20	105	75	55	-	16	2	-	4-14	100	85	276
	25	20	115	85	58	65	16	2	4	4-14	25	115	85	65	-	16	2	-	4-14	100	85	276
	32	25	140	100	66	78	18	2	4	4-18	32	140	100	78	-	18	2	-	4-18	115	100	285
	40	32	150	110	76	85	18	3	4	4-18	40	150	110	85	-	18	3	-	4-18	120	110	292
	50	40	165	125	88	100	20	3	4	4-18	50	165	125	100	-	20	3	-	4-18	135	120	370
	65	50	185	145	110	120	22	3	4	8-18	65	185	145	120	-	20	3	-	4-18	140	130	375
	80	65	200	160	121	135	22	3	4	8-18	80	200	160	135	-	20	3	-	8-18	160	135	373
	100	80	235	190	150	160	24	3	4.5	8-23	100	220	180	155	-	22	3	-	8-18	170	160	513
	125	100	270	220	176	188	28	3	4.5	8-26	125	250	210	185	-	22	3	-	8-18	190	190	560
	150	125	300	250	204	218	30	3	4.5	8-26	150	285	240	210	-	24	3	-	8-23	205	195	570
	200	150	375	320	260	282	38	3	4.5	12-30	200	340	295	265	-	26	3	-	12-23	240	230	717
	250	200	450	385	313	345	42	3	4.5	12-34	250	405	355	320	-	30	3	-	12-26	350	320	940
	300	250	515	450	364	408	46	4	4.5	16-34	300	460	410	375	-	30	4	-	12-26	350	320	980
A41H-64 A41Y-64 A41Y-64P A41Y-64R	20	15	130	90	51	68	20	2	4	4-18	20	105	75	55	51	16	2	4	4-14	100	95	268
	25	20	140	100	58	78	22	2	4	4-18	25	115	85	65	58	16	2	4	4-14	100	95	268
	32	25	155	110	66	82	24	2	4	4-23	32	140	100	78	66	18	2	4	4-18	115	105	279
	40	32	170	125	76	95	24	3	4	4-23	40	150	110	85	76	18	3	4	4-18	135	115	330
	50	40	180	135	88	105	26	3	4	4-23	50	165	125	100	88	20	3	4	4-18	160	125	360
	65	50	205	160	110	130	28	3	4	8-23	65	185	145	120	110	22	3	4	8-18	175	160	503
	80	65	215	170	121	140	30	3	4	8-23	80	200	160	135	121	22	3	4	8-18	175	160	498
	100	80	250	200	150	168	32	3	4.5	8-26	100	235	190	160	150	24	3	4.5	8-23	190	180	530
	150	100	345	280	204	240	38	3	4.5	8-34	150	300	250	218	204	30	3	4.5	8-26	280	260	657
A41H-100 A41Y-100 A41Y-100P A41Y-100R	20	15	130	90	51	68	22	2	4	4-18	20	105	75	55	51	16	2	4	4-14	100	95	268
	25	20	140	100	58	78	24	2	4	4-18	25	115	85	65	58	16	2	4	4-14	100	95	268
	32	25	155	110	66	82	24	2	4	4-23	32	140	100	78	66	18	2	4	4-18	115	105	279
	40	32	170	125	76	95	26	3	4	4-23	40	150	110	85	76	18	3	4	4-18	135	115	330
	50	40	195	145	88	112	28	3	4	4-26	50	165	125	100	88	20	3	4	4-18	160	125	360
	65	50	220	170	110	138	32	3	4	8-26	65	185	145	120	110	22	3	4	8-18	175	160	503
	80	65	230	180	121	148	34	3	4	8-26	80	200	160	135	121	22	3	4	8-18	175	160	498
	100	80	265	210	150	172	38	3	4.5	8-30	100	235	190	160	150	24	3	4.5	8-23	190	180	530
	150	100	355	290	204	250	46	3	4.5	12-34	150	300	250	218	204	30	3	4.5	8-26	280	260	657

彈簧微啟封閉式安全閥(型號(hào)：A41H)

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