Threaded Gauges | McMaster-Carr

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7,594 Products

Fluid Handling

Pressure Gauges

Pressure Gauges

Measure pressure in pumps, filters, regulators, and process lines

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems

Vacuum Gauges

Take vacuum readings in pumps, packaging equipment, and suction lines

Pressure Test Gauges

Pressure Test Gauges

Check and calibrate pressure gauges, transmitters, and equipment to maintain accuracy

Differential Pressure Gauges

Differential Pressure Gauges

Display the difference in pressure between two points in your air and fluid systems

Pressure and Vacuum Transmitters

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

Show changes in pressure and vacuum to monitor fans, blowers, and filters

Gauge Siphon Tubes

Gauge Siphon Tubes

Fill with water to protect dry gauges from steam and high-temperature liquids; also called pigtails

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Vacuum Test Gauges

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

Vacuum Transmitters

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

Differential Pressure Transmitters

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

Pressure Indicators

Pressure Indicators

Turn green when your compressed air line reaches a certain psi

Flowmeters

Measure the flow rate of a liquid or gas

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Flow Transmitters

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

Liquid-Level Transmitters

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

Flow Switches

Turn equipment on or off when flow rate reaches a set point

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

Regulate heating and cooling by sending temperature and humidity levels to PLCs and controllers

Measuring and Inspecting

Pipe Size Measuring Kits

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

Calibration Columns

Calibration Columns

Calibrate the flow rate of metering pumps

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)