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Gauges, Switches & Solenoids

Gauges, Switches & Solenoids

VGL-30

Diaphragm Protected Vacuum Gauges-Lower Mounted

Information & Features

  • Lower Mounted
  • 0-30 Hg / 0-76 cm Hg
  • 2-1/2″ Dial
  • Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

Product Downloads

VGR-30

Diaphragm Protected Vacuum Gauges-Rear Mounted

Information & Features

  • Rear Mounted
  • 0-30 Hg / 0-76 cm Hg
  • 2-1/2″ Dial
  • Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

Product Downloads

PVL-300-EW

Diaphragm Protected Compound Gauge-Lower Mounted

Information & Features

  • Compound gauge can read pressure and vacuum
  • 0-300 PSI / 20 BAR
  • 0-30 Hg (Vacuum)
  • 2-1/2″ Dial
  • Lower Mounted
  • Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

Product Downloads

PGL-300-EW

Diaphragm Protected Pressure Gauges-Lower Mounted

Information & Features

  • Lower Mounted
  • 0-300 PSI / 20 BAR
  • 2-1/2″ Dial
  • Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

PGS-14-EW

Diaphragm Protected Pressure Gauge with Adjustable Switch-Lower Mounted

Information & Features

  • Lower Mounted – 1/4″ FNPT
  • 0 – 200 PSI (14 Bar) – 4″ Dial
  • Adjustable High & Low alarm settings
  • Tantalum Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

Product Downloads

VPH-10000-PT-300

Diaphragm Protected Pressure Transmitter-Lower Mounted

Information & Features

  • Lower Mounted – 1/2″ FNPT
  • 0 – 300 PSI (20.7 Bar)
  • Tantalum Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide

Product Downloads

VH-562-100

Diaphragm Protected Vacuum Switch-Lower Mounted

Information & Features

  • Lower Mounted
  • Diaphragm Protected
  • Suitable for Chlorine or Sulfur Dioxide
  • Vacuum Switch:
    • 0-30″ Hg adjustable
  • Pressure Switches:
    • 5-30 PSI (0.3-2.1 bar) or 10-100 PSI (0.7-6.9 bar) adjustable
    • 2500 PSI proof pressure
    • Usable with gas or liquid chlorine
  • 0-200 PSI (13.5 BAR) adjustable

Product Downloads

VM-150

Electronic Vacuum Monitor

Information & Features

  • 0-30 in. Hg.
  • 3 digit LED digital readout
  • Independently adjustable high/low trip points
  • Suitable for Chlorine or Sulfur Dioxide
  • Available in 115VAC or 230VAC
  • NEMA 4X Enclosure
  • Wall mounting

Product Downloads

VSH-683

Gas Solenoid Valve

Information & Features

  • Suitable for Chlorine or Sulfur Dioxid
  • Up to 2000 PPD capacity
  • Available in 120VAC or 240VAC
  • Wall mounting bracket and tubing connectors included
  • Field serviceable

Product Downloads

The Importance of Having Reliable Switches and Gauges for Monitoring Equipment

Switches and gauges play a critical role in ensuring the reliability of monitoring equipment. Gauges provide essential information about various parameters, including pressure, temperature, flow rate, and level, which are vital for maintaining optimal working conditions and preventing potential hazards. Accurate and consistent readings from these gauges allow operators to make informed decisions, take timely corrective actions, and minimize the risk of equipment failure or accidents.

Switches, on the other hand, serve as crucial control elements that regulate the flow of chemicals, initiate safety mechanisms, and manage the power supply to the system. A malfunctioning or unreliable switch can be a threat to the environment, so it’s important to ensure that they function properly.

Moreover, inaccurate gauges and faulty switches can lead to higher operational costs. Investing in high-quality, dependable gauges and switches is paramount for maintaining the integrity, performance, and safety of chemical feed and monitoring equipment — ultimately contributing to the success and sustainability of industrial processes that rely on these systems.

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What Is a Solenoid Valve?

A solenoid valve is an electromechanically operated device that plays a vital role in controlling the flow of fluids or gasses within various systems. The valve comprises two primary components — a solenoid, which is an electromagnetic coil, and a valve body containing one or more orifices. When an electrical current is applied to the solenoid, it generates a magnetic field that either attracts or repels a plunger, depending on the design. This movement of the plunger causes the valve to open or close, thereby regulating the flow of the medium through the orifice(s) within the valve body.

Solenoid valves are available in different configurations, including direct-acting, pilot-operated, and semi-direct acting, each offering distinct advantages depending on the specific requirements of the application. Direct-acting solenoid valves are characterized by their simplicity and fast response times, making them ideal for low-pressure systems and small flow rates. Pilot-operated solenoid valves, on the other hand, utilize the pressure differential of the process fluid to actuate the valve, allowing them to handle higher pressures and larger flow rates, albeit with slower response times. Semi-direct acting solenoid valves combine elements of both direct-acting and pilot-operated designs, offering a balance between performance and versatility.

You Can Always Expect Quality From Hydro Instruments

When it comes to quality gauges, switches, and solenoids, customers can always expect the best from Hydro Instruments. We’re dedicated to creating accessories that are carefully designed yet simple and easy to use so that our clients can acquire the best products available on the market. In addition, our fast shipping ensures that your purchase will arrive at your doorstep in no time so that it will be ready to use as soon as possible.

For more information on our other accessories and to learn more about our products, contact us today.