特点蝶阀启闭件是一个圆盘蝶板，在阀体内绕其自身的轴线旋转从而达到启闭或调节的阀门，蝶阀全开全关通常90°。启闭迅速，流体阻力小，可以经常操作。结构简单、体积小、重量轻。可以运送任何液体在管路中，积存液体最小。调节性能可在0～90°灵敏调节。 本公司生产各种规格的蝶阀，主要分为二类：弹性蝶阀和多层次蝶阀。 　性能参数磅级（Class）规格通径（DN）单位主要连接尺寸Z40/1外形尺寸LDD1D2bZ-φdH（全开）W150Lb(2.0MPa)125in54.253.120.444-0.637.874.72min1271087955111.54-1520012011/432in5.54.633.52.50.54-0.639.255.11min14117896413.04-1523514011/240in6.653.882.880.564-0.6311.227.09min16512798.57314.54-15285180250in7.006.004.753.620.754-0.7516.108.00min178152120.59219.14-1940920021/265in7.4875.54.130.694-0.7517.137.87min190178139.5105184-194.5200380in8.007.506.005.000.944-0.7520.0010.00min203190152.512723.94-195702504100in9.009.007.506.190.948-0.7523.2010.00min229229190.515723.98-195902505125in10108.57.310.948-0.8828.549.84min254254216.5186248-227252506150in10.5011.009.508.501.008-0.8824.8012.00min267279241.5021625.48-226303008200in11.5013.5011.7510.621.128-0.8837.8013.88min292343298.5027028.58-2296035010250in13.0016.0014.2512.721.1912-1.045.6015.70min33040636232430.212-25115840012300in14.0019.0017.0015.001.2512-1.054.3017.70min35648343238131.812-25137845014350in15.0021.0018.7516.251.3812-1.1260.7519.70min381533476.5433512-29154350016400in16.0023.5021.2518.501.4416-1.1268.4023.60min406597539.547036.616-29173860018450in17.0025.0022.7521.001.5616-1.2571.1023.60min43263557853339.716-32195960020500in18.0027.5025.0023.001.6920-1.2587.2026.80min45769863558442.920-32221468024600in20.0032.0029.5027.251.8820-1.38102.329.90min508813749.569247.720-352599760300Lb(5.0MPa)125in6.504.883.502.000.694-0.758.465.51min16512489.0051.0018.004-1921514011/432in7.005.253.882.500.754-0.7510.047.09min17813398.5064.0019.04-1925518011/240in7.486.134.502.880.814-0.7512.607.87min190156114.5073.0021.004-19320 250in8.506.505.003.620.888-0.7516.708.00min21616512792.0022.308-1942420021/265in9.497.505.884.131.008-0.8818.119.84min241190149105 8-22460250380in11.158.256.625.001.128-0.8821.0010.00min28321016812728.508-225.52504100in12.0010.007.886.191.258-0.8824.2010.00min305254 157.2031.808-226152505125in15.0011.009.257.311.388-0.8829.9213.78min3812793518635.008-227603506150in15.8712.5010.628.501.448-0.8831.3014.00min40331827021636.6012-227953508200in16.5015.0013.0010.621.6212-1.0039.9015.70min41938133027041.3012-25101240010250in18.0017.5015.2512.751.8816-1.1248.5017.70min457445387.5032447.7016-29123145012300in19.5720.5017.5015.002.0016-1.2527.0019.70min50252145138150.8016-32145050014350in30.0023.0020.2516.252.1220-1.2564.8023.60min762584614.5041354.0020-32164560016400in33.0025.5020.2518.502.2520-1.3872.5023.60min838648571.5047057.2020-35184160018450in36.0028.0024.7521.002.3824-1.3876.5026.80min914711628.5053360.4024-3519.3060020500in39.0030.5027.0023.002.5024-1.3884.8038.00min99177268658463.5024-35215476024600in45.0036.0032.0027.252.7524-1.62100.5436.00min114391481369269.9024-412553915600Lb(10.0MPa)125in8.504.883.502.000.694-0.758.467.09min21612489.0051.0018.004-1921518011/432in9.025.253.882.500.844-0.7510.637.87min22913398.5064.0021.004-1925518011/240in9.496.134.502.880.884-0.8813.587.87min241156114.5073.0023.004-22345200250in11.506.505.003.621.008-0.7518.0010.00min29216512792.0025.408-1945815021/265in12.997.55.884.131.138-7.8820.4710.00min33019014910029.008-22520250380in14.008.256.625.001.258-0.8822.5810.00min35621016812731.808-225702504100in17.0010.758.506.191.508-1.0027.2014.00min43227321615738.108-256903505125in20.0013.0010.507.311.758-1.1330.7113.78min508330266.5018645.008-297803506150in22.0014.0011.508.501.8812-1.1235.8018.00min55935629221647.7012-299104508200in26.0016.5013.7510.622.1912-1.2541.9019.70min66041934927055.6012-321064500