德國萊克LIK品牌-進(jìn)口蒸汽截止閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運(yùn)動(dòng)。高溫高壓截止閥閥桿的運(yùn)動(dòng)形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。高溫高壓截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。高溫蒸汽截止閥一般適用于耐溫要求較高,比如在500-600度以內(nèi),且壓力在30MPa以內(nèi)的官道上安裝
進(jìn)口蒸汽截止閥 性能規(guī)范
公稱壓力(MPa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
強(qiáng)度試驗(yàn)(MPa) | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 24.0 |
水密封試驗(yàn)(MPa) | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 | 18.0 |
上密封試驗(yàn)(MPa) | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 | 18.0 |
氣密封試驗(yàn)(MPa) | 0.5-0.7 |
主要零件材料及性能
、蓋、板 | 閥桿 | 密封面 | 墊片 | 填料 | 工作溫度℃ | 適用介質(zhì) |
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WCB | 2Cr13 | 13Cr | 增強(qiáng)柔性石墨 | 柔性石墨 | ≤425 | 水 |
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WC1 | 38CrMoAl | ≤450 |
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WC6 | ≤540 |
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WC9 | ≤570 |
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C5 C12 | ≤540 |
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ZGCr5Mo | ≤200 |
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ZG1Cr18Ni9Ti | 1Cr18Ni9Ti |
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≤200 | 醋酸類 |
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外形連接尺寸
4.0MPa | DN | L | D | D1 | D2 | b | n-φd | H | D0 | 重量Kg |
凹凸法蘭 MFM J41H LIKJ41Y J41W LIKJ41F J41N 40 40P 40R 40I | 20 | 150 | 105 | 75 | 51 | 16 | 4-14 | 275 | 140 | 7 |
25 | 160 | 115 | 85 | 58 | 16 | 4-14 | 285 | 160 | 9 | |
32 | 180 | 135 | 100 | 66 | 18 | 4-18 | 302 | 180 | 12 | |
40 | 200 | 145 | 110 | 76 | 18 | 4-18 | 355 | 200 | 17 | |
50 | 230 | 160 | 125 | 88 | 20 | 4-18 | 373 | 240 | 24 | |
65 | 290 | 180 | 145 | 110 | 22 | 8-18 | 408 | 280 | 33 | |
80 | 310 | 195 | 160 | 121 | 22 | 8-18 | 436 | 320 | 44 | |
100 | 350 | 230 | 190 | 150 | 24 | 8-23 | 480 | 360 | 60 | |
125 | 400 | 270 | 220 | 176 | 28 | 8-25 | 588 | 400 | 90 | |
150 | 480 | 300 | 250 | 204 | 30 | 8-25 | 611 | 400 | 100 | |
200 | 533 | 375 | 320 | 260 | 38 | 12-30 | 720 | 400 | 190 | |
6.4MPa | 20 | 190 | 125 | 90 | 51 | 20 | 4-18 | 228 | 160 | 13 |
凹凸法蘭 MFM J41H LIKJ41Y J41W LIKJ41F J41N 40 40P 40R 40I | 25 | 210 | 135 | 100 | 58 | 22 | 4-18 | 275 | 180 | 15 |
32 | 230 | 150 | 110 | 66 | 24 | 4-23 | 325 | 200 | 19 | |
40 | 260 | 165 | 125 | 76 | 24 | 4-23 | 360 | 240 | 25 | |
50 | 300 | 175 | 135 | 88 | 26 | 4-23 | 410 | 280 | 35 | |
65 | 340 | 200 | 160 | 110 | 28 | 8-23 | 450 | 320 | 48 | |
80 | 380 | 210 | 170 | 121 | 30 | 8-23 | 485 | 360 | 56 | |
100 | 430 | 250 | 200 | 150 | 32 | 8-25 | 537 | 400 | 125 | |
125 | 500 | 295 | 240 | 176 | 36 | 8-30 | 631 | 400 | 130 | |
150 | 550 | 340 | 280 | 204 | 38 | 8-34 | 646 | 450 | 160 | |
200 | 650 | 405 | 345 | 260 | 44 | 12-34 | 813 | 500 | 285
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