進口法蘭低溫球閥
德國萊克LIK品牌:進口法蘭低溫球閥分為低溫浮動球和低溫固定球兩類,用于截斷或接通管路中的低溫介質(zhì),介質(zhì)zui低溫度不得低于-196度。
低溫閥門用途:乙烯,液化天然氣等化工裝置上,天然氣LNG儲罐,接受基地及衛(wèi)星站,空分設(shè)備、石油、化工尾氣分離設(shè)備、液氧、液氮、液氬、二氧化碳低溫貯槽及槽車、變壓吸附制氧等;
壓力試驗 Pressure Test
公稱壓力NominalPressure | 1.6 | 2.5 | 4.0 |
強度試驗 | 2.4 | 3.8 | 6.0 |
水密封試驗 | 1.8 | 2.8 | 4.4 |
氣密封試驗 | 0.4-0.7 |
主要零件材料及性能 Main Part Materials and Property
公稱通徑 | DN15mm-DN100mm |
公稱壓力 | PN4.0Mpa |
適用介質(zhì) | 液氧、液氮、液態(tài)二氧化碳、液化天然氣、液態(tài)丙烷等。 |
適用溫度 | -196℃~+80℃ |
閥體 | ZG0Cr18Ni9 |
球體 | 0Cr18Ni9 |
閥桿 | 0Cr18Ni9 |
填料、密封圈 | PTFE |
規(guī)格 主要尺寸 Size Main Dimensions
通徑 | 尺寸(mm) | ||||||||
L | H | D | D1 | D2 | D3 | Z-d | b | DO | |
15 | 130 | 185 | 95 | 65 | 45 | 40 | 4-14 | 16 | 140 |
20 | 150 | 225 | 105 | 75 | 55 | 51 | 4-14 | 16 | 160 |
25 | 160 | 240 | 115 | 85 | 65 | 58 | 4-14 | 16 | 180 |
32 | 180 | 315 | 135 | 100 | 78 | 66 | 4-18 | 18 | 200 |
40 | 200 | 325 | 145 | 110 | 85 | 76 | 4-18 | 18 | 200 |
50 | 230 | 405 | 160 | 125 | 100 | 88 | 4-18 | 20 | 250 |
65 | 290 | 425 | 180 | 145 | 120 | 110 | 8-18 | 22 | 320 |
80 | 310 | 505 | 195 | 160 | 135 | 121 | 8-23 | 22 | 320 |
100 | 350 | 525 | 230 | 190 | 160 | 150 | 8-25 | 24 | 360 |
125 | 400 | 605 | 270 | 220 | 188 | 176 | 8-25 | 28 | 500 |
150 | 480 | 625 | 300 | 250 | 218 | 204 | 8-25 | 30 | 700 |
200 | 600 | 725 | 375 | 320 | 282 | 260 | 12-30 | 38 | 900 |
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