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Murphy Level Instruments: Lube & Oil 润滑油液位计
L129, L129CK1润滑油液位计 - Lube Level Swichgage instrument

 

MURPHY L129系列润滑油液位计是一个润滑油液位指示仪表和可调节高低限位开关的组合。它可以防止由于燃料过度填充或水渗入曲轴箱而导致的低油位或高油位。该液位计深6-3/4英尺(171mm),可以让您在不关闭设备的情况下检查油的状况和液位。手动可调限位触点的范围是4-7/8英寸(112mm)可以轻松设置高限和低限制触点。如果浮子触及上限或下限触点,则将使常开电路闭合,从而激活警报和/或关闭设备。L129系列有两种型号:L129和L129CK1。L129型号专为外壳接地的低压电气系统而设计,具有单线对地电路。L29CK1为三线制电路的应用而设计。带有未接地触点和导管毂,以保护电线。两种型号均可选择。使用一个限流器堵头限制曲轴箱中的油流入L129系列开关,反之亦然。它通常用于非固定发动机的应用,如船舶和移动设备。正确安装和维护后,L129系列油位开关可以监控并保护发动机和泵不受润滑不当的影响,从而避免严重损坏。

L129系列推荐用于曲轴箱容量较大的发动机和泵。虽然L129系列主要用于固定式发动机,但也经常用于一些移动应用,如船舶,铁路和一些大型非公路卡车。

Murphy L129 Series Lube Level Swichgage instrument


L129系列
- 可调节高低位润滑油液位触点
- 有大面积可视玻板6-3/4in. (171mm)
- L129CK系列有不接地触点

L971系列
- 用于Ingersoll-Rand型30和40空气压缩机
- 直接装入曲轴箱内
- 带微动开关

 

规格
外壳: 压铸铝
镜片:钢化玻璃
最大工作压力: 10 psi (68.9 kPa)
工艺连接件: 1/2 NPT
浮动材料:黄铜
触点额定值: 2 A @ 30 VAC/DC, 导频
包装重量: L129: 3 lb. (1.4 kg)
L129CK1: 3 lb. 9 oz. (1.6 kg)
包装尺寸 (两款): 12 x 4-1/2 x 4-3/4 in.
(305 x 114 x 121 mm)
接线
这些图显示浮球在醒目位置。
触点额定值: 2 A @ 30 VAC/DC, 导频
*
* 除非另有说明,否则本公告涵盖的产品符合EMC理事会关于电磁
兼容性的指令89/336 / EMC。


订购方式
尺寸
L129
L129CK1
物料编码 描述 备注
15000888 日期代码T2及更高版本的全套维修套件(减去铸件和玻璃组件) 供L129
15000480 日期代码W7及更高版本设有挡板,玻璃和垫圈套装
15000485 所有日期代码均设有玻璃和垫圈
15050241 所有日期代码的限制器插头


-Class I, Division 1. Groups C and D.
The L129 Series Lube Level Swichgage is a combination lube level indicating gage and adjustable low and high limit switches. It provides protection against low oil level or high level caused by overfill or fuel or water seepage into the crankcase.

A 6-3/4 inch (171 mm) deep sight gauge allows you check the condition and level ofyour oil without shutting down the equipment. Fingertip adjustable limit contacts, thru 4-7/8 inch (122 mm) range, make it simple to set high and low limit contacts. If the float touches the high or low limit contact, a normally open circuit will be completed which can activate alarms and/or shutdown the equipment.

L129 Lube Level Swichgage (15700104)

L129CK1 Lube Level Swichgage (15700107) L100 Oil Level Swichgage (15700125)
 
L100W Oil Level Swichgage (15700128)
L120 Oil Level Swichgage (15700131)  

Features:

Check Lube Level Without Shutting Down
Use On Engines, Pumps, And Compressors
Combination Indicating Gage with Low and High Limit Switch
Float Operated

L129 Lube Level Swichgage (15700104)
L129CK1 Lube Level Swichgage (15700107)
L100 Oil Level Swichgage (15700125)
L100W Oil Level Swichgage (15700128)
L120 Oil Level Swichgage (15700131)

 

L129 Series Lube Level Swichgage instrument is a combination lube level indicating gage and adjustable low and high limit switches. It provides protection against low oil level or high level caused by overfill or fuel or water seepage into the crankcase.

A 6-3/4 inch (171 mm) deep sight gage allows you to check the condition and level of your oil without shutting down the equipment.

Fingertip adjustable limit contacts, through 4-7/8 inch (122 mm) range, make it simple to set high and low limit contacts. If the float touches the high or low limit contact, a normally open circuit will be completed which can activate alarms and/or shut down the equipment.

There are two models in the L129 Series: L129 and L129CK1. The L129 model is designed for grounded, low voltage electrical systems. It features a one-wire-to-ground electrical circuit. The L129CK1 was designed for applications requiring a three-wire, above ground electrical circuit. It features ungrounded contacts and a conduit hub to protect electrical wiring. Options are available for both models.

A flow restrictor plug is available that restricts oil flow from the crankcase to the L129 Series switch and vice versa. It is typically used on applications where the engine is not stationary such as marine and mobile equipment.

When properly installed and maintained, the L129 Series Lube Level Swichgage can monitor and protect engines and pumps from improper lubrication level, which can result in extensive damage.

The L129 Series is recommended for engines and pumps with larger crankcase capacity. Although designed primarily for stationary engines, the L129 Series is often used in mobile applications such as marine, rail and some large off-highway trucks.

  • Case: Die-cast aluminum
  • Lens: Tempered glass
  • Maximum Working Pressure: 10 psi (68.9 kPa)
  • Process Connection: 1/2 NPT
  • Float Material: Brass
  • Contact Rating: 2 A @ 30 VAC/DC, pilot duty
  • Shipping Weight:
    • L129: 3 lb. (1.4 kg)
    • L129CK1: 3 lb. 9 oz. (1.6 kg)
  • Shipping Dimensions (both models): 12 x 4-1/2 x 4-3/4 in. (305 x 114 x 121 mm)

 

- 产品订购

Model/Part Number Description
Model/Part Number Description
L129 Designed for grounded, low voltage electrical systems
L129CK1 Designed for applications requiring a three-wire, above ground electrical circuit
15000888 Full repair kit for L129 (less castings and glass assembly) for date code T2 and later
15000480 Bezel, glass and gasket set for date code W7 and later
15000485 Glass and gasket set for all date codes
15050241 Restrictor plug for all date codes


- 产品技术资料下载DOWNLOADS

Sales Bulletin (6572)

Current Manual(s)

CE Declaration of Conformity

 


Murphy Instrument Distributor

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信德迈科技(北京)有限公司 CNMEC Technology

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