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點(diǎn)擊圖片查看原圖YK43XF-1.6-DN15,YK43XF-1.6-DN20,YK43XF-1.6-DN25,YK43XF-1.6-DN32,YK43XF-1.6-DN40,YK43XF-1.6-DN50,YK43XF-1.6-DN65,YK43XF-1.6-DN80,YK43XF-1.6-DN100,YK43XF-1.6-DN125,YK43XF-1.6-DN150,
YK43XF-1.6-DN200,YK43XF-1.6-DN250YK43XF-1.6-DN300,,YK43XF-1.6-DN350,YK43XF-1.6-DN400,YK43XF-1.6-DN450,
YK43XF-1.6-DN500,YK43XF-2.5-DN15,YK43XF-2.5-DN20,YK43XF-2.5-DN25,YK43XF-2.5-DN32,YK43XF-2.5-DN40,YK43XF-2.5-DN50,
YK43XF-2.5-DN65,YK43XF-2.5-DN80,YK43XF-2.5-DN100,YK43XF-2.5-DN125,YK43XF-2.5-DN150,YK43XF-2.5-DN200,
YK43XF-2.5-DN250YK43XF-2.5-DN300,YK43XF-2.5-DN350,YK43XF-2.5-DN400,YK43XF-2.5-DN450,YK43XF-2.5-DN500,
YK43XF-4.0-DN15,YK43XF-4.0-DN20,YK43XF-4.0-DN25,YK43XF-4.0-DN32,YK43XF-4.0-DN40,YK43XF-4.0-DN50,YK43XF-4.0-DN65,
YK43XF-4.0-DN80,YK43XF-4.0-DN100,YK43XF-4.0-DN125,YK43XF-4.0-DN150,YK43XF-4.0-DN200,YK43XF-4.0-DN250,
YK43XF-4.0-DN300,,YK43XF-4.0-DN350,YK43XF-4.0-DN400,YK43XF-4.0-DN450,YK43XF-4.0-DN500,YK43XF-6.4-DN15,
YK43XF-6.4-DN20,YK43XF-6.4-DN25,YK43XF-6.4-DN32,YK43XF-6.4-DN40,YK43XF-6.4-DN50,YK43XF-6.4-DN65,YK43XF-6.4-DN80,
YK43XF-6.4-DN100,YK43XF-6.4-DN125,YK43XF-6.4-DN150,YK43XF-6.4-DN200,YK43XF-6.4-DN250,YK43XF-6.4-DN300,
YK43XF-6.4-DN350,YK43XF-6.4-DN400,YK43XF-6.4-DN450,YK43XF-6.4-DN500,YK43XF-10-DN15,YK43XF-10-DN20,YK43XF-10-DN25,
YK43XF-10-DN32,YK43XF-10-DN40,YK43XF-10-DN50,YK43XF-10-DN65,YK43XF-10-DN80,YK43XF-10-DN100,YK43XF-10-DN125,
YK43XF-10-DN150,YK43XF-10-DN200,YK43XF-10-DN250,YK43XF-10-DN300,YK43XF-10-DN350,YK43XF-10-DN400,YK43XF-10-DN450,
YK43XF-10-DN500,YK43XF-16-DN15,YK43XF-16-DN20,YK43XF-16-DN25,YK43XF-16-DN32,YK43XF-16-DN40,YK43XF-16-DN50,
YK43XF-16-DN65,YK43XF-16-DN80,YK43XF-16-DN100,YK43XF-16-DN125,YK43XF-16-DN150,YK43XF-16-DN200,YK43XF-16-DN250,
YK43XF-16-DN300,YK43XF-16-DN350,YK43XF-16-DN400,YK43XF-16-DN450,YK43XF-16-DN500,氣體減壓閥
YK43XF氣體減壓閥概述：
YK43XF氣體減壓閥主要由主閥和導(dǎo)閥兩大部件組成。適用于工作溫度低于80℃的空氣、液化氣、氧氣等氣體管路上。使用時(shí)旋轉(zhuǎn)調(diào)節(jié)螺桿，頂開導(dǎo)閥盤，介質(zhì)由閥前導(dǎo)管通過導(dǎo)閥腔進(jìn)入主閥上蓋，促使介質(zhì)壓力推動(dòng)活塞，使主閥盤開啟，介質(zhì)流向閥后，同時(shí)由閥后壓力進(jìn)入導(dǎo)閥直接傳遞并作用于膜片下方與膜片上方壓力保持**平衡狀態(tài)，達(dá)到減壓目的。氣體減壓閥屬于先導(dǎo)活塞式減壓閥。由主閥和導(dǎo)閥兩部分組成。主閥主要由閥座、主閥盤、活塞、彈簧等零件組成。導(dǎo)閥主要由閥座、閥瓣、膜片、彈簧、調(diào)節(jié)彈簧等零件組成。通過調(diào)節(jié)調(diào)節(jié)彈簧壓力設(shè)定出口壓力、利用膜片傳感出口壓力變化，通過導(dǎo)閥啟閉驅(qū)動(dòng)活塞調(diào)節(jié)主閥節(jié)流部位過流面積的大小，實(shí)現(xiàn)減壓穩(wěn)壓功能。 氣體減壓閥主要用于氣體管路，如空氣減壓閥、氮?dú)鉁p壓閥、氧氣減壓閥、氫氣減壓閥、液化氣減壓閥、天然氣減壓閥等氣體。 
YK43XF氣體減壓閥主要技術(shù)參數(shù)
型號(hào) | YK43X-16Q | YK43X-25 | YK43X-40 | YK43X-64 |
公稱壓力 | 1.6 | 2.5 | 4.0 | 1.6 |
殼體試驗(yàn)壓力 | 2.4 | 3.8 | 6 | 2.4 |
出口壓力 | ≤1.6 | 2.5 | 4 | ≤1.6 |
適用介質(zhì) | 空氣、液化氣、氧氣 | |||
介質(zhì)溫度 | ≤70℃ | |||
壓力特性偏差 | 穩(wěn)定流動(dòng)狀態(tài)下、當(dāng)流量等參數(shù)不變時(shí)，進(jìn)口壓力在080~105%的較高壓力（工作）范圍內(nèi)變化，其出口壓力的偏差值4P1≤±P1 | |||
流量特性偏差 | 穩(wěn)定流動(dòng)狀態(tài)下，當(dāng)進(jìn)口壓力等參數(shù)不變時(shí)，流量在20~100%的較大流量范圍內(nèi)變化，其出口壓力的偏差值4P1≤-10%P2 | |||
靜態(tài)特性偏差 | 穩(wěn)定流動(dòng)狀態(tài)下，當(dāng)進(jìn)口壓力和流量等參數(shù)的變化，所引起出口壓力的變化，其值4P1≤-10%P2 | |||
| 公稱壓力（Mpa） | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| 殼體試驗(yàn)壓力（Mpa）* | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | 24 |
| 密封試驗(yàn)壓力（Mpa） | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| 較高進(jìn)口壓力（Mpa） | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| 出口壓力范圍（Mpa） | 0.1-1.0 | 0.1-1.6 | 0.1-2.5 | 0.5-3.5 | 0.5-3.5 | 0.5-4.5 |
| 壓力特性偏差（Mpa）△P2P | GB12246-1989 | |||||
| 流量特性偏差（Mpa）P2G | GB12246-1989 | |||||
| 最小壓差（Mpa） | 0.15 | 0.15 | 0.2 | 0.4 | 0.8 | 1.0 |
| 滲漏量 | X/F（聚四氟乙稀/橡膠）：O Y（硬密封）：GB12245-1989 | |||||
YK43XF氣體減壓閥連接尺寸： 公稱通徑DN 外 形 尺 寸 L H Hl 1.6/2.5MPa 4.0MPa 15 160 180 290 90 20 160 180 300 98 25 180 200 300 110 32 200 220 300 110 40 220 240 320 125 50 250 270 320 125 65 280 300 325 130 80 310 330 365 160 100 350 380 365 170 125 400 450 475 200 150 450 500 475 210 200 500 550 515 240 250 650 560 290 300 800 705 335 350 850 745 375 400 900 780 405 450 900 730 455 500 950 835 465
