止回阀→【排渣止回阀PH44】→【对夹式止回阀H71→H72→H74→H76→H78→H79】→【法兰式止回阀H44→H41→H42→H45→HQ44→HQ45→HH46→HH47→HH48→HH49→H48】→【内螺纹止回阀H11→H12→H14】→【旋启式止回阀H44H】→【升降式止回阀H41H】→【立式止回阀H42H→H42N】→【角式止回阀H63Y→H83Y】→【高压止回阀】→【自密封止回阀】→【高温止回阀】→【Y型止回阀H65Y】→【高温高压止回阀】→【对夹超薄型止回阀H74】→【对夹升降式止回阀H71→H72】→【对夹双瓣蝶式止回阀H76→H78→H79】→【消声止回阀HC41X】→【*止回阀HC42→DRVZ】→【橡胶瓣止回阀HX44X→SFCV】→【蝶式止回阀】→【微阻缓闭止回阀HH44→HH46→HH48→HH49】→【球形止回阀HQ41X→HQ44X→HQ45X】→【天燃气止回阀H41N→H42N】→【液化石油气止回阀H41N→H42N】→【保温止回阀BH44H→BH41H】→【截止止回多功能阀H48H】→【衬胶止回阀H44J→H41J→H40J】→【衬氟止回阀H41F→H44F→H42F→H40F】→【塑料止回阀H41F-6S→H44F-6S→H61F-6S】→【限流止回阀H145】→【过滤止回阀】→【支耳式止回阀】→【铸铁止回阀】→【黄铜止回阀】→【铸钢止回阀】→【锻钢止回阀】→【不锈钢止回阀】→【铬钼钢止回阀】→【铬钼钒钢止回阀】。 止回阀系列:SH71W-16T对夹升降式止回阀(全铜)的详细资料: | 对夹升降式止回阀 (全铜) ◆ 对夹升降式止回阀 (全铜)主要技术参数: 型号 | 公称压力PN(MPa) | 试验压力PS(MPa) | 工作温度(℃) | 适用介质 | 壳体 | 密封 | SH71W-16T | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸体、油品等 | SH71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | SH71W-25H | ≤300 | SH71W-25P | ≤200 | 硝酸等腐蚀性介质 | SH71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸体、油品等 | SH71W-40P | ≤200 | 硝酸等腐蚀性介质 | | 规格型号 | 阀体 | 阀瓣 | 弹簧 | SH71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA | SH71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti | SH71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 公称压力 MPa | 公称通径 DN | 尺寸(mm) | L | D1 | D2 | D3 | D4 | D5 | PN1.0MPa PN1.6MPa | 15 | 16 | 52 | 15 | 24 | 31 | 40 | 20 | 19 | 62 | 19 | 30 | 40 | 50 | 25 | 22 | 72 | 24 | 35 | 47 | 58 | 32 | 28 | 83 | 31 | 46 | 56 | 68 | 40 | 31.5 | 93 | 39 | 55 | 66 | 78 | 50 | 40 | 108 | 48 | 65 | 78 | 90 | 65 | 46 | 128 | 62 | 80 | 95 | 110 | 80 | 50 | 142 | 76 | 96 | 110 | 128 | 100 | 60 | 162 | 95 | 115 | 132 | 150 | 125 | 90 | 192 | 110 | 125 | 135 | - | | | | |