厦门市哈德沃克电子科技有限公司专业销售美国摩菲压力表、温度表、液位仪表、传感器、控制阀、振动开关全系列产品。
Murphy LM500-TF机油油位保持器包括一个测试功能,通过一次按下测试按钮即可确认浮子和开关均正常工作。LM500系列保持发动机、泵或压缩机的曲轴箱油位。调整到正确的运行油位后,它将在使用时补充机油。如果供油中断且设备继续用油,低液位开关将报警和/或关闭设备。
产品特性:
测试功能(TF选项):可对浮球及开关的性能进行测试
可采用直接安装方式(DM选项)
低液位报警采用3线制输出信号(可用常开或常闭)
较LM2000系列有更大的玻璃视窗
视窗采用内部密封较之前的边缘密封可靠
简单的安装方式
全长度的高度调整插槽
可选ATEX防爆认证
不锈钢浮球
连接口规格
3个连接口都是 3/4 NPTF
更大的蛙眼视窗
方便检查的绿色条带
规格性能参数:
Crankcase Balance Vent Connection: 1/2 NPTF (top).
Inlet Connection: 1/2 NPTF removable screen (side).
Outlet Connection:
2 x 3/4 NPTF (side)
1 x 3/4 NPTF (bottom)
Thumb-Valve Material: Viton.
Snap-switch: SPDT rating 10 A, 125 VAC; 0.5 A, 125 VDC; 10 A, 30 VDC.
Wire leads: 18 AWG x 14 in. ± 2 in. (355 mm) length.
Conduit Connection: 1/2 inch conduit (female, top).
Case: Die cas aluminum
Lens: Clear “Frog Eye” non-staining, high impact, high temperature polycarbonate; UV and heat stabilized.
Dial: High visibility white background with solid green band for normal level indication.
Maximum Inlet Pressure: 9.50 psi/25 ft. oil (head pressure).
Maximum Case Pressure: 15 psi (103 kPa).
Maximum Differential: 2 in. (51 mm) between running and stopped.
Maximum Ambient Temperature: 250°F (121°C).
Float: 304 Stainless Steel
Flow Rates: Refer to LM500 Series Flow Rates chart for application data.
Dimensions: Overall 6-9/16 inch tall x 6-3/16 inch deep x 3-1/2 deep.
For exact dimensions, refer to document “00-02-0729 LM500 Installation Instructions”.
LM500/LM500-TF Shipping Dimensions: 9.5 x 7.5 x 11 in. (241.3 x 190 x 279.4 mm).
LM500/LM500-TF Shipping Weight: 3 lbs. 13.44 oz (1.74 kg)