顶部安装浮筒型、可调设置点、磁力操作、可选择密封快速开关
这是我们所有多用途液位控制器中的一种,B-190型可以用于所有形式的槽罐液位控制场合。三个瓷制的浮筒位移传感器可进行死区调节,例如:当液位达到高设置点时它可以启动泵;当液位低于低设置点时关闭泵。也同样适用于压力容器。还可选两段式控制。
技术指标
介质:可兼容液体
材质:电缆、弹簧和停止器;316SS,可选择Inconel 弹簧:浮筒位移传感器:瓷器,可选择304SS、316SS 或碳胶(石墨)
温度范围:32 到 200°F(0 到 93.3°C),也可选更高级别
压力范围:125 psig (8.6 bar),也可选更高级别
防护指标:NEMA 4X。可选一般或防爆
开关类型:单刀双掷快速开关,密封快速开关或水银开关。可选择双刀双掷或双态
电气指标:快速开关:12A @ 120VAC,5A @240VAC,0.5A @ 125VDC,0.25A @ 250VDC,阻抗。
密封快速开关:5A @ 120VAC,5A @ 240VAC,5A @ 30VDC。水银开关:4A @ 240VAC/DC,2A@ 240VAC/DC,可选择更高容量触电的水银开关
电气连接:旋紧接线端
导管连接:3/4˝ NPT 内螺纹
工艺连接:4˝ 125 铸铁法兰连接。其他材料、大小和级别的法兰斗可选择
安装定位:垂直
设定点调节:通过移动位移传感器调节,见尺寸图表确定大小值
重量:25 lb (11.34 kg)
机构认证:UL 和 CSA
死区:通过移动位移传感器调节,见尺寸图表确定大小值
比重:标准为 1.0,如有特殊比重需要可更换型号的1.0值,范围为0.5到1.2
电缆长度:标准 10ft(3m),可选择到 100ft(30.5m)
型号
型号
开关类型
B190-WT-4810-P-A-1.0-2 水银 SPDT
B190-WT-7810-P-A-1.0-2 快速 SPDT
B190-WT-7810HM-P-A-1.0-2 全密封、快速 SPDT
Model Chart
EXAMPLE | A | 190 | WT | 7810 | P | A | 1.0 | 1 | Series A190-WT-7810-P-A-1.0-2 Top Mounted Single Stage, displacer type liquid level control. Watertight, NEMA-4 enclosure. SPDT snap action switch, fixed deadband 3/4" (19 mm) at 1.0 SG. Max operating temp 200 deg F (93 deg C) with 10' SS cable and 316SS displacers, with 4" 125# cast iron flange. | |
TYPE | A AA B BB | 4" Flange or Larger, Fixed Differential 3" Flange, Fixed Differential 4" Flange or Larger, Adjustable Differential 3" Flange, Adjustable Differential | ||||||||
SERIES | 190 | Single Stage Top Mount Displacer Type Liquid Level Control | ||||||||
ENCLOSURE | G WT E EV | General Purpose Watertight Explosion-proof Explosion-proof/Vapor-proof | ||||||||
CIRCUITS | 48XX 78XX 78XXHM 98XX | See Chart A below See Chart B below See Chart B below See Chart B below | ||||||||
DISPLACERS | S S304 K I | 316SS 304SS Karbate (A190, B190 only) Intrf 3-1/2 dia. x 10 (A190, B190 only) | ||||||||
CABLE LENGTH | A B C D E F G | 10 ft. 15 ft. 20 ft. 25 ft. 30 ft. 40 ft. 50 ft. | ||||||||
SPECIFIC GRAVITY | 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 | 0.4 S.G. (A190, AA190 only) 0.5 S.G. (A190, AA190 only) 0.6 S.G. 0.7 S.G. 0.8 S.G. 0.9 S.G. 1.0 S.G. 1.1 S.G. 1.2 S.G. | ||||||||
FLANGE | 00 0 6 7 8 9 10 11 12 13 14 15 6S 7S 8S 9S 10S 11S 12S 13S 14S 15S | 3" NPT connection 3/4" Screw connection 3" 150# RF carbon steel 4" 150# RF carbon steel 5" 150# RF carbon steel 6" 150# RF carbon steel 8" 150# RF carbon steel 3" 300# RF carbon steel 4" 300# RF carbon steel 5" 300# RF carbon steel 6" 300# RF carbon steel 8" 300# RF carbon steel 3" 150# RF 316SS 4" 150# RF 316SS 5" 150# RF 316SS 6" 150# RF 316SS 8" 150# RF 316SS 3" 300# RF 316SS 4" 300# RF 316SS 5" 300# RF 316SS 6" 300# RF 316SS 8" 300# RF 316SS | ||||||||
OPTIONS | INC R STW 01 02 12 23720 | Inconel Spring Manual Reset SS Tag Wired Breather Only (E-Housing only) Drain Only (E-Housing only) Breather and Drain (E-Housing only) Fungus Proofing |