The DF series are diaphragm-operated hydrostatic head pressure level switches. A pressure sensitive diaphragm operates a snap-switch that can be wired directly to electric pilot circuits to control pumps at predetermined levels. Typical application is to start and stop electric driven pump(s) to maintain tank levels. It is also applicable to engine-driven pumps. DF755 is suitable for atmospheric tanks in a non-hazardous area. The SPDT snap-switch for the DF755 is preset for a 4 in. (102 mm) differential in liquid level. Technical Data
Murphy LS200 Level Switch Designed for harsh gas compressor scrubber applications, the LS200 Series Liquid Level Switches feature a robust design that trips on rising liquid level only. With both electric and pneumatic models available, the instruments screw directly into the vessel or can be mounted via an external float chamber. The nickel-plated body provides enhanced corrosion protection while the 304 stainless steel float operates in 0.55 specific gravity and heavier fluids. Additional features include: Rated for 2000 psi (13.8 MPa) [138 bar] working pressure Listed for Class I, Div. 1, Grp. C & D locations Canadian registered Stainless steel models available for corrosive atmospheres The LS200 Series replaces the FW Murphy Series L1200 Liquid Level Switches. The MSLS (Scrubber Level System) replaces the LS200 high-level shut-down switch with the MLS-020 magnetic level switch. Technical Data
The FW Murphy LM500 model maintains the crankcase oil level of an engine, pump or compressor. Adjusted to the correct running oil level, the LM500 will replenish oil as it is used. The low level switch will alarm and/or shut down the equipment if the supply oil is lost and the equipment continues to use oil. Direct Mount (DM) capable Eliminates under/overfill due to “human error” See oil level and condition without shutting down Simple installation Automatically maintains lube level Low level, 3-wire, snap-action switch Positive sealing Thumb-Valve™
Part Number: VT6-101Engine Model: TD60, TD61, TD70, TD71, TD100, TD101, VE10, TD120, TD121240 VWatts: 1000Application Information: Mounts into threaded opening on eft side of engine.Heat Shield Required: NoTechnical Data
Part Number: PF121-002Engine Model: D12C After Serial #250502120 VWatts: 1250Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: YesTechnical Data
Part Number: PF151-005Engine Model: D12C After Serial #250502120 VWatts: 1500Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: YesTechnical Data
Part Number: PF151-007Engine Model: D9120 VWatts: 1500Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: NoTechnical Data
Part Number: PF122-002Engine Model: D12C After Serial #250502240 VWatts: 1250Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: YesTechnical Data
Part Number: PF152-005Engine Model: D12C After Serial #250502240 VWatts: 1500Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: YesTechnical Data
Part Number: PF152-007Engine Model: D9240 VWatts: 1500Application Information: Replaces oval shaped plate on right side of engine.Heat Shield Required: NoTechnical Data
Part Number: PF122-003Engine Model: D2840, D2842, D2848240 VWatts: 1250Application Information: Replace oval shaped plate in lower water pipe on right side of engine.Heat Shield Required: No
Part Number: PF152-006Engine Model: D2866, D2876240 VWatts: 1500Application Information: Replace 3 bolt plate on left side of engine. May require adapter if 3 bolt opening is not available on engine. Consult customer service.Heat Shield Required: No
The LM500-TF model includes a test feature that confirms both the float and switch are operating correctly with a single press of the test button. Direct Mount (DM) capable Eliminates under/overfill due to “human error” See oil level and condition without shutting down Simple installation Automatically maintains lube level Low level, 3-wire, snap-action switch Positive sealing Thumb-Valve™
Quiet and safe operationBoat cabins, trucks, cars and buses heatingElectronic control systemStainless steel heater burner and fireproof structureFuel type Diesel fuelRate voltage 24V/12VRated power 2500WWork temperature -40℃~+20℃Size 310mm X 122mm X 115mmOperating temperature -35℃ to 45℃
The Pneumatic ISOV valve N200-P is operated by applying Air or Oil pressure to the pneumatic cylinder integrated in the body. The Pressure inlet port is shown in the adjacent drawing. The pneumatic cylinder trips and closes ISOV when a pressure source is applied. The air or oil pressure is applied by using a 2/3 way solenoid valve as shown on the diagram. After tripping the pneumatic cylinder, ISOV will close and the 2/3 way solenoid has to be reset after which the valve can be opened and latched in the same manner as the Manual version. To increase safety, all ISOV pneumatic valves will be equipped with a manual Pull handle in case the solenoid for any reason may fail due to electric blackout. Standard Pressure inlet ports are 1/8 or 1/4 "size.
The Pneumatic ISOV valve N400-P is operated by applying Air or Oil pressure to the pneumatic cylinder integrated in the body. The Pressure inlet port is shown in the adjacent drawing. The pneumatic cylinder trips and closes ISOV when a pressure source is applied. The air or oil pressure is applied by using a 2/3 way solenoid valve as shown on the diagram. After tripping the pneumatic cylinder, ISOV will close and the 2/3 way solenoid has to be reset after which the valve can be opened and latched in the same manner as the Manual version. To increase safety, all ISOV pneumatic valves will be equipped with a manual Pull handle in case the solenoid for any reason may fail due to electric blackout. Standard Pressure inlet ports are 1/8 or 1/4 "size.
The Pneumatic ISOV valve N600-P is operated by applying Air or Oil pressure to the pneumatic cylinder integrated in the body. The Pressure inlet port is shown in the adjacent drawing. The pneumatic cylinder trips and closes ISOV when a pressure source is applied. The air or oil pressure is applied by using a 2/3 way solenoid valve as shown on the diagram. After tripping the pneumatic cylinder, ISOV will close and the 2/3 way solenoid has to be reset after which the valve can be opened and latched in the same manner as the Manual version. To increase safety, all ISOV pneumatic valves will be equipped with a manual Pull handle in case the solenoid for any reason may fail due to electric blackout. Standard Pressure inlet ports are 1/8 or 1/4 "size.
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