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點擊圖片查看原圖H41Y-25I-DN15,H41Y-25I-DN20,H41Y-25I-DN25,H41Y-25I-DN32,H41Y-25I-DN40,H41Y-25I-DN50,H41Y-25I-DN65,H41Y-25I-DN80,H41Y-25I-DN100,H41Y-25I-DN125,H41Y-25I-DN150,H41Y-25I-DN200,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-40I-DN200,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-64I-DN200,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,H41Y-100I-DN200,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-25P-DN200,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-40P-DN200,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-64P-DN200,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-100P-DN200,高溫高壓止回閥
止回閥：止回閥又稱單向閥或逆止閥，其作用是防止管路中的介質倒流。水泵吸水關的底閥也屬于止回閥類。
啟閉件靠介質流動和力量自行開啟或關閉，以防止介質倒流的閥門叫止回閥。止回閥屬于自動閥類，主要用于介質單向流動的管道上，只允許介質向一個方向流動，以防止發生事故。
止回閥按結構劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和臥式兩種。旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。蝶式止回閥為直通式、以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接和焊接三種。
型號 | 公稱壓力PN(Mpa) | 試驗壓力Ps(Mpa) | 適用溫度(oc) | 適用介質 | ||
密度 | 氣密封 | 殼體 | ||||
H41Y-25I | 2.5 | 2.75 | 0.6 | 3.75 | ≤550 | 蒸汽、水、油品等 |
H41Y-40I | 4.0 | 4.4 | 0.6 | 6.0 | ||
H41Y-64I | 6.4 | 7.04 | 0.6 | 9.6 | ||
H41Y-100I | 10.0 | 11.0 | 0.6 | 15.0 | ||
H41Y-25P | 2.5 | 2.75 | 0.6 | 3.75 | ≤150 | 弱腐蝕性介質 |
H41Y-40P | 4.0 | 4.4 | 0.6 | 6.0 | ||
H41Y-64P | 6.4 | 7.04 | 0.6 | 9.6 | ||
H41Y-100P | 10.0 | 11.0 | 0.6 | 15.0 | ||
主要零件材料
零件 | 閥門、閥蓋、閥瓣 | 閥體、閥瓣密封面 | 墊片 | 螺栓 | |
材料 | I | 鉻鉬鋼 | 硬質合金 | 鋼帶石棉纏繞式墊片 | 鉻鉬釩鋼 |
P | 鉻鉬鈦不銹鋼 | 硬質合金 | 聚四氟乙烯 | 不銹鋼 | |
主要尺寸及重量
公稱通徑DN（mm） | 尺寸(mm) | 重量(kg) | ||||||||
L | D | D1 | D2 | ·b | f | Z –φd | H | D3 | ||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-φ14 | 100 | - | 5 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4 –φ14 | 105 | - | 7 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4 –φ14 | 115 | 110 | 9 |
32 | 190 | 135 | 100 | 78 | 18 | 2 | 4 –φ18 | 120 | 120 | 10 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-φ18 | 140 | 135 | 15 |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-φ18 | 150 | 150 | 20 |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-φ18 | 160 | 175 | 25 |
80 | 310 | 195 | 160 | 135 | 22 | 3 | 8-φ18 | 175 | 200 | 32 |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-φ23 | 200 | 230 | 57 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-φ25 | 230 | 273 | - |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-φ25 | 265 | 330 | - |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-φ25 | 300 | 365 | - |
