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 |
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