PR1-1F11Q5J111/0-500PSI美国GO空气减压阀

PR1-1F11Q5J111系列美国GO空气减压阀0-500PSI         美国GO不锈钢减压阀

减压阀是把阀前较大的压力减低成为较小压力的一种设备。背压阀也可叫溢流阀，是为了将阀前压力保持在设定值，将多余压力排出的一种设备。因此减压阀是控制阀后压力的，而背压阀是控制阀前压力的。以气压输送面粉溶液为例，下图是两种阀的典型用法，我们来详细理解一下什么叫控制阀前压力和控制阀后压力。
实物图：

PR1-1系列减压阀选型表：

PR1-1系列常用型号：
PR1-1M11A3D114 PR1-1B11B3C114 PR1-1B11A3D111 PR1-1L11A3C111 PR1-1F11A3I111A
PR1-1A11A3D111 PR1-1C11BHI111 PR1-1B11P3D111 PR1-1A11Q3E11G PR1-1C11BHI 111
PR1-1A11HCI111 PR1-1A11HHJ117 PR1-1B11P5E111 PR1-1A11A3W114 PR1-1L11A3C111
PR1-1A11ACJ111 PR1-1A11A3D111 PR1-1L11A3C111 PR1-1L11A3G111 PR1-1I11A3G111
PR1-1H11P3E111 PR1-1H11P3D111 PR1-1B11Q3G111 PR1-1B11A3E114 PR1-1B11A3D114
PR1-1B11A3G114 PR1-1B11A3D114 PR1-1L11A3E111 PR1-1L11B5E711S PR1-1B11B3D111
PR1-1F11Q3E111 PR1-1A11QHI111 PR1-1L11Q3G111 PR1-1C11A3G111  PR1-1A11HHJ115
PR1-1A11HHJ117 PR1-1B11A3G111 PR1-1B11Q3G111 PR1-1A11A3G111 PR1-1F11Q3D111
PR1-1F11Q3D111 PR1-1L55Q3E111 PR1-1B11A3D111 PR1-1B11A3E111 PR1-1C11A3I111
PR1-1C11A3D111 PR1-1C11A3C111 PR1-1E11P3E114 PR1-1B11Q3I111 PR1-1B11Q3W111
PR1-1B11Q3G111 PR1-1B11A3E111 PR1-1A11HHJ117 PR1-1F11A3G111 PR1-1B11A3D111
PR1-1B11B5D111 PR1-1L11A5J111 PR1-1B11Q3G111 PR1-1A11A5C111 PR1-1C11BHI111
PR1-1C11Q3G111 PR1-1A11A3G1141 PR1-1C11B3C111 PR1-1B11B5D111 PR1-1F11A3G111
PR1-1F11A3G111 PR1-1F11A3D111 PR1-1L11B3D111
单级减压阀
PR2-2A11A5J711 PR2-2A11A3G118 PR2-2A11A3I118  PR2-2A11A3I118
PR5-1C11D5E111 PR5-1C11D5E111 PR5-1C11D5E111 PR5-1C11D5E111 PR5-1A11D5C1210A
PR7L-1L11KCB111 PR7-1F11Q8J112 PR7-1F11Q8J112 PR7L-1A11AHE111 PR7-1A51I8I111
PR7-1L51I8G111A PR7-1A51I8I111
PR9-9A11M3D1G1
单级高压阀
PR57-1A11C2L141 PR57-1A11C2J141 PR57-1A11C5Q141 PR57-1A11C5L141 PR57-1A11C5J141氦气备压阀
PR57-1A11Q2O141 PR57-1A11C2L141 PR57-1F11Q2Q341
背压阀
BP3-1E11I5I111 BP3-1D11B3C111 BP3-1A11B5J114 BP3-1A11I5G111 BP3-1A11B5J114
BP3-1A11I5G111 BP3-1A11I5G114 BP3-1A11D5G111 BP3-1A41D3E111 BP3-1A11BCD111
BP3-1B11C5I111 BP3-1B11C5I111 BP3-1A11I5G114
BP66-1A11C4P161  BP66-1A11C4N161 BP66-1A11CEQ161 BP66-1A11CEP161 BP66-1A11CEN161
BP60-1A11CIK1Q1  BP60-1A11QCK1Q1 BP66-1A41C4Q16
BP8-108939