Process Monitoring Instruments

Murphy offers hundreds of products that monitor and control pumps, generators, and more. Our control systems for industrial operations monitor pressure, temperature, liquid level, overspeed, time and vibration. We cover it all, from simple start/stop operation to sophisticated automation systems incorporating microcontrollers and remote communications.We provide cost-effective, perfectly suited products for our customers, and have been doing it for over 70 years.

CKV / PRV Series

CKV series check valves are in-line, one-way valves that prevent fuel from being siphoned back into an injector or injection pump which could delay a shutdown. There are two types

Read More »

SV Series

The SV series valve, which is solenoid operated, is a normally closed valve that opens when current is supplied from the battery through a magnetic switch. Temperature, level or pressure

Read More »

HD9063, OS77D and SS300

Murphy Electronic Speed Switches are available in various configurations to cover a wide variety of applications. These compact devices receive their input signal from various sources depending upon the particular speed switch model and

Read More »

VS94

VS94 Series is an electro-mechanical device designed to protect equipment from damaging shock or vibration. This sensitive mechanism can detect excessive shock or vibration and shut down the equipment before

Read More »

VS2™ Series

The VS2 Series switches are shock-sensitive mechanisms for shutdown of engine or electric motor powered equipment. It is designed to detect shock/vibration in three planes of motion. These fully adjustable

Read More »

76.PS Pressure Switch

A compact and economical pressure switch for extended duty applications. The 76.PS is primarily designed for direct engine mounting, to provide electrical signaling of a low oil pressure fault. The

Read More »

76.TS Temperature Switch

A compact and economical pressure switch for extended duty applications. The 76.PS is primarily designed for direct engine mounting, to provide electrical signalling of a low oil pressure fault. The

Read More »

TSB

The TSB switch is a direct-mount switch for temperature sensing. It has one limit contact that can be used to activate an alarm, actuate indicator lights or shut down equipment.

Read More »

PSB

The PSB switch is a direct-mount switch for critical pressure points. It has one limit contact that can be used to activate an alarm, actuate indicator lights or shutdown equipment.

Read More »

SENTINEL 150P SERIES

The Sentinel 150P is a range of highly efficient, high performance battery chargers designed for continuous float charge and standby power applications. Switch Mode technology improves efficiency and low heat

Read More »