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J120-525-XY468 UE开关进口30KPa高炉煤气高压报警 压力控制器
 炉膛常用开关型号
J120-520   J120-521   J120-522   J120-523   J120-524   J120-525
J120-520-XC004   J120-521-XC004   J120-522-XC004
J120-523-XC004   J120-524-XC004   J120-525-XC004
具体参数
防爆等级：Ex dⅡCT6
选项-XC004：316L接口和316L感压膜片，viton密封圈
膜片材质： Buna-N丁腈橡胶膜片或焊接316L膜片
压力接口：1/2NPTF
可调量程：-746.7mbar~622.3mabr
开关信号：SPDT单刀双掷
电气接口：1/2NPTF
外壳材质：铸铝壳体，环氧树脂防腐涂层
防护等级：IP66 
膜片选型注意事项：
这款是锅炉配套炉膛压力开关，或微压气体压力开关。首先要考虑介质的腐蚀性程度。特殊的危险气体等，要考虑是否有泄漏风险，有害气体推荐选焊接式膜片，比如H100-53*系列，比如氨气等。西安奥信自动化仪表有限责任***   王晓宁 18966942594(微信)  1091923827 （QQ）
型号及参数
Model       Adjustable Set Point Range               Deadband                                  Over Range           Proof
                 Low end of range on fall;                                                                       Pressure*            Pressure**
                High end of range on rise
                 “wc                          mbar                 “wc                   mbar                   psi            bar        psi       bar
Type J120
Buna N diaphragm and O-Ring with epoxy coated aluminum 1/2” NPT (female) pressure connection large 0.72” orifice for clean-out
purposes (other wetted materials available see page 11)
520      300 Vac to 0            -7467 to 0          0.2 to 8          05 to 199               200          138     400      276
521      10 Vac to 10            -249 to 249       0.1 to 0.6       02 to 15                 200          138     400      276
522      50 Vac to 50            -1245 to 1245   0.1 to 3          02 to 75                 200          138     400      276
523      0.5 to 5.0                 12 to 124          0.1 to 0.3       02 to 07                 200          138     400      276
524      2.5 to 50                  62 to 1245        0.1 to 0.8       02 to 20                 200          138     400      276
525      10 to 250                 249 to 6223      0.1 to 6          02 to 149               200          138     400      276
J120-525-XY468 UE开关进口30KPa高炉煤气高压报警 压力控制器