水用电磁阀,截止阀,放料阀,切断阀,蝶阀

H41Y-16C-DN15,H41Y-16C-DN20,H41Y-16C-DN25,H41Y-16C-DN32,H41Y-16C-DN40,H41Y-16C-DN50,H41Y-16C-DN65,H41Y-16C-DN80,H41Y-16C-DN100,H41Y-16C-DN125,H41Y-16C-DN150,H41Y-16P-DN15,H41Y-16P-DN20,H41Y-16P-DN25,H41Y-16P-DN32,

H41Y-16P-DN40,H41Y-16P-DN50,H41Y-16P-DN65,H41Y-16P-DN80,H41Y-16P-DN100,H41Y-16P-DN125,H41Y-16P-DN150,H41Y-16R-DN15,H41Y-16R-DN20,H41Y-16R-DN25,

H41Y-16R-DN32,H41Y-16R-DN40,H41Y-16R-DN50,H41Y-16R-DN65,H41Y-16R-DN80,H41Y-16R-DN100,H41Y-16R-DN125,H41Y-16R-DN150,H41Y-25-DN15,H41Y-25-DN20,

H41Y-25-DN25,H41Y-25-DN32,H41Y-25-DN40,H41Y-25-DN50,H41Y-25-DN65,H41Y-25-DN80,H41Y-25-DN100,H41Y-25-DN125,H41Y-25-DN150,H41Y-25P-DN15,H41Y-25P-DN20,

H41Y-25P-DN25,H41Y-25P-DN32,H41Y-25P-DN40,H41Y-25P-DN50,H41Y-25P-DN65,H41Y-25P-DN80,H41Y-25P-DN100,H41Y-25P-DN125,H41Y-25P-DN150,H41Y-25R-DN15,

H41Y-25R-DN20,H41Y-25R-DN25,H41Y-25R-DN32,H41Y-25R-DN40,H41Y-25R-DN50,H41Y-25R-DN65,H41Y-25R-DN80,H41Y-25R-DN100,H41Y-25R-DN125,H41Y-25R-DN150,

H41Y-40-DN15,H41Y-40-DN20,H41Y-40-DN25,H41Y-40-DN32,H41Y-40-DN40,H41Y-40-DN50,H41Y-40-DN65,H41Y-40-DN80,H41Y-40-DN100,H41Y-40-DN125,H41Y-40-DN150,

H41Y-40P-DN15,H41Y-40P-DN20,H41Y-40P-DN25,H41Y-40P-DN32,H41Y-40P-DN40,H41Y-40P-DN50,H41Y-40P-DN65,H41Y-40P-DN80,H41Y-40P-DN100,H41Y-40P-DN125,

H41Y-40P-DN150,H41Y-40R-DN15,H41Y-40R-DN20,H41Y-40R-DN25,H41Y-40R-DN32,H41Y-40R-DN40,H41Y-40R-DN50,H41Y-40R-DN65,H41Y-40R-DN80,H41Y-40R-DN100,

H41Y-40R-DN125,H41Y-40R-DN150,H41Y-40I-DN15,H41Y-40I-DN20,H41Y-40I-DN25,H41Y-40I-DN32,H41Y-40I-DN40,H41Y-40I-DN50,H41Y-40I-DN65,H41Y-40I-DN80,

H41Y-40I-DN100,H41Y-40I-DN125,H41Y-40I-DN150,H41Y-64-DN15,H41Y-64-DN20,H41Y-64-DN25,H41Y-64-DN32,H41Y-64-DN40,H41Y-64-DN50,H41Y-64-DN65,H41Y-64-DN80,

H41Y-64-DN100,H41Y-64-DN125,H41Y-64-DN150,H41Y-64P-DN15,H41Y-64P-DN20,H41Y-64P-DN25,H41Y-64P-DN32,H41Y-64P-DN40,H41Y-64P-DN50,H41Y-64P-DN65,

H41Y-64P-DN80,H41Y-64P-DN100,H41Y-64P-DN125,H41Y-64P-DN150,H41Y-64R-DN15,H41Y-64R-DN20,H41Y-64R-DN25,H41Y-64R-DN32,H41Y-64R-DN40,H41Y-64R-DN50,

H41Y-64R-DN65,H41Y-64R-DN80,H41Y-64R-DN100,H41Y-64R-DN125,H41Y-64R-DN150,H41Y-64I-DN15,H41Y-64I-DN20,H41Y-64I-DN25,H41Y-64I-DN32,H41Y-64I-DN40,

H41Y-64I-DN50,H41Y-64I-DN65,H41Y-64I-DN80,H41Y-64I-DN100,H41Y-64I-DN125,H41Y-64I-DN150,H41Y-100-DN15,H41Y-100-DN20,H41Y-100-DN25,H41Y-100-DN32,

H41Y-100-DN40,H41Y-100-DN50,H41Y-100-DN65,H41Y-100-DN80,H41Y-100-DN100,H41Y-100-DN125,H41Y-100-DN150,H41Y-100P-DN15,H41Y-100P-DN20,H41Y-100P-DN25,

H41Y-100P-DN32,H41Y-100P-DN40,H41Y-100P-DN50,H41Y-100P-DN65,H41Y-100P-DN80,H41Y-100P-DN100,H41Y-100P-DN125,H41Y-100P-DN150,H41Y-100R-DN15,

H41Y-100R-DN20,H41Y-100R-DN25,H41Y-100R-DN32,H41Y-100R-DN40,H41Y-100R-DN50,H41Y-100R-DN65,H41Y-100R-DN80,H41Y-100R-DN100,H41Y-100R-DN125,

H41Y-100R-DN150,H41Y-100I-DN15,H41Y-100I-DN20,H41Y-100I-DN25,H41Y-100I-DN32,H41Y-100I-DN40,H41Y-100I-DN50,H41Y-100I-DN65,H41Y-100I-DN80,

H41Y-100I-DN100,H41Y-100I-DN125,H41Y-100I-DN150,不锈钢升降式止回阀

产品名称：升降式止回阀

H41Y不锈钢升降式止回阀是指依靠介质本身流动而自动开、闭阀瓣，用来防止介质倒流的阀门，又称逆止阀、单向阀、逆流阀、和背压阀。止回阀属于一种自动阀门，其主要作用是防止介质倒流、防止泵及驱动电动机反转，以及容器介质的泄放。H41Y不锈钢升降式止回阀严格按 GB12235 标准设计制造，阀瓣沿着中心定位作升降运动 , 衬套采用耐磨性能好，摩擦系数小的特殊材料制作，动作灵活可靠 . 密封性能优良。H41Y不锈钢升降式止回阀产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。

二、升降式止回阀执行标准：

类型	设计与制造	结构长度	法兰尺寸	压力温度	试验-检验
旋启式止回阀	GB12236	GB12221	GB9113 JB79	GB9131	GB/T13927 JB/9092
升降式止回阀	GB12235

三、升降式止回阀压力试验：

公称压力	1.6	2.5	4.0	6.4	10.0	16.0
强度试验	2.4	3.8	6.0	9.6	15.0	24.0
水密封试验	1.8	2.8	4.4	7.0	11.0	18.0
气密封试验	0.5-0.7

四、升降式止回阀主要零件材料及性能：

体、盖、板	阀杆	密封面	垫片	密封面	工作温度℃	适用介质
WCB	WCB	1Cr13	增强柔性石墨 1Cr13/柔性石墨 PTFE 齿轮垫片	13Cr STL 本材料 尼龙	≤425	水蒸汽油品
WC6	WC6				≤540
WC9	WC9				≤570
ZGCr5Mo	ZGCr5Mo				≤550
ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni9Ti			≤200	硝酸类
ZG1Cr18Ni12Mo9Ti	ZG1Cr18Ni12Mo9Ti	ZG1Cr18Ni12Mo9Ti			≤200	醋酸类

五、升降式止回阀规格主要尺寸和重量：

1.6MPa	DN	L	D	D1	D2	b	n-Φd	H	W(kg)
凸面法兰 RF H41H H41Y H41W H41N 16C 16P 16R	15	130	95	65	45	14	4-14	58	2.0
	20	150	105	75	55	14	4-14	63	2.7
	25	160	115	85	65	14	4-14	71	3.5
	32	180	135	100	78	16	4-18	84	5.4
	40	200	145	110	85	16	4-18	96	6.5
	50	230	160	125	100	16	4-18	115	9.1
	65	290	180	145	120	18	4-18	145	14
	80	310	195	160	135	20	8-18	156	25
	100	350	215	180	155	20	8-18	170	40
	125	400	245	210	185	22	8-18	201	56
	150	480	280	240	210	24	8-23	238	90
2.5MPa	15	130	95	65	45	16	4-14	60	4
凸面法兰 RF H41H H41Y H41W H41N 25 25P 25R	20	150	105	75	55	16	4-14	64	5
	25	160	115	85	65	16	4-14	68	6
	32	180	135	100	78	18	4-18	79	9
	40	200	145	110	85	18	4-18	98	12
	50	230	160	125	100	20	4-18	110	16
	65	290	180	145	120	22	8-18	160	24
	80	310	195	160	135	22	8-18	170	31
	100	350	230	190	160	24	8-23	195	45
	125	400	270	220	188	28	8-25	225	68
	150	480	300	250	210	30	8-25	255	100
4.0MPa	DN	L	D	D1	D2	b	n-d	H	重量
凹凸法兰 MFM H41H H41Y H41W H41N 40 40P 40R 40I	15	130	95	65	40	16	4-14	100	4
	20	150	105	75	51	16	4-14	105	5
	25	160	115	85	58	16	4-14	120	6
	32	180	135	100	66	18	4-18	130	9
	40	200	145	110	76	18	4-18	135	12
	50	230	160	125	88	20	4-18	149	15
	65	290	180	145	110	22	8-18	164	18
	80	310	195	160	121	22	8-18	169	25
	100	350	230	190	150	24	8-23	194	35
	125	400	270	220	176	28	8-25	225	65
	150	480	300	250	204	30	8-25	255	100
	15	210	105	75	40	18	4-14	100	7
凹凸法兰 MFM H41H H41Y H41W H41N 64 64P 64R 64I	20	230	125	90	51	20	4-18	110	11
	25	230	135	100	58	22	4-18	125	13
	32	260	150	110	66	24	4-23	152	14
	40	260	165	125	76	24	4-23	168	20
	50	300	175	135	88	26	4-23	170	23
	65	340	200	160	110	28	823	188	37
	80	380	210	170	121	30	8-23	205	46
	100	430	250	200	150	32	8-25	230	68
	125	500	295	240	176	36	8-30	245	93
	150	550	340	280	204	38	8-34	265	120
	15	210	105	75	40	20	4-14	100	7
凹凸法兰 MFM H41H H41Y H41W H41N 100 100P 100R 100I	20	230	125	90	51	22	4-18	110	11
	25	230	135	100	58	24	4-18	125	13
	32	260	150	110	66	24	4-23	140	14
	40	260	165	125	76	26	4-23	168	25
	50	300	195	145	88	28	4-25	170	28
	65	340	200	170	110	32	8-25	188	42
	80	380	230	180	121	34	8-25	205	65
	100	430	265	210	150	38	8-30	230	95
	125	500	310	250	176	42	8-34	245	115
	150	550	350	290	204	46	12-34	265