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Pressure

Diaphragm Seal

Diaphragm Seal: A flexible membrane that seals and isolates an enclosure. The flexible nature of this seal allows pressure effects to cross the barrier but not the material being contained. Diaphragm seals are commonly used to protect pressure sensors from the fluid whose pressure is being measured.

  • SPEC #: 17140
  • Code: 17-01-04

Gauge

Pressure Gauge: A device that measures pressure or vacuum. There are many types of pressure gauges operating upon several different physical principles, depending upon the environment and the level of pressure being measured. All function by sensing the pressure level and converting this information by either analog or digital means into a visual readout.

  • SPEC #: 17110
  • Code: 17-01-01

Gauge for Chemical Process

Chemical Process Pressure Gauge. These gauges operate like all other pressure gauges. They sense the pressure level, and use that input to operate a readout.The characteristic that differentiates them from other gauges is the requirement to operate in processing systems that handle chemicals such as, hydrocarbons, petrochemicals, solvents, organic and inorganic acids, halogens, salts, caustics, etc. Many of these devices are designed to handle a broad range of chemicals, but must be selected for the specific process.

  • Code: 17-01-01 CP

Gauge for Chilled Water/Glycol

Chilled Water/Glycol Pressure Gauge. These gauges operate like all other pressure gauges. They sense the pressure level, and use that input to operate a readout.The characteristic that differentiates them from other pressure gauges is the requirement to operate in chilled water air conditioning systems that must cool below the freezing temperature of water. The gauge components that interface with the water/glycol media are usually made of copper.

  • Code: 17-01-01 CW

Gauge for Clean Air/Gas

Clean Air/Gas Pressure Gauge: These gauges operate like all other pressure gauges. They sense the pressure level, and use that input to operate a readout. The characteristic that differentiates them from other gauges is the requirement that the piping components of the gauges be made of a material like ABS or stainless steel, that will not break or chip from decompressing air, and that will withstand temperature swings of 30° F and pressures up to 140 psi

  • Code: 17-01-01 CA

Gauge for Instrument Air

Instrument Air Pressure Gauge. These gauges operate like all other pressure gauges. They sense the pressure level, and use that input to operate a readout.The characteristic that differentiates them from other transmitters is the requirement that they operate in an instrument air environment with pressures from 90 to 150 PSI

  • Code: 17-01-01 IA

Gauge for Sanitary Process

Sanitary Pressure Gauge. These gauges operate like all other pressure gauges. They sense the pressure level, and use that input to operate a readout.The characteristic that differentiates them from other pressure gauges is the requirement for extreme levels of cleanliness. They require special materials and have stringent cleaning requirements. Costly corrosion-resistant materials and special finishes are required for product contact areas, which must be cleanable and smoothly polished.

  • Code: 17-01-01 SP

Switch

Pressure Switch: A device that senses a change in pressure of a gas or liquid and actuates an electrical switching element when a pre-set pressure point is reached.

  • SPEC #: 17130
  • Code: 17-01-03

Switch for Chemical Process

Chemical Process Pressure Switches. These switches operate like all other pressure switches. They make electrical contact when a certain set pressure has been reached at their input. The characteristic that differentiates them from other switches is the requirement to operate in processing systems that handle chemicals such as, hydrocarbons, petrochemicals, solvents, organic and inorganic acids, halogens, salts, caustics, etc. Many of these devices are designed to handle a broad range of chemicals, but must be selected for the specific process.

  • Code: 17-01-03 CP

Switch for Chilled Water/Glycol

Chilled Water/Glycol Pressure Switches. These switches operate like all other pressure switches. They make electrical contact when a certain set pressure has been reached at their input. The characteristic that differentiates them from other switches is the requirement to operate in chilled water air conditioning systems that must cool below the freezing temperature of water. The switch components that transport the water/glycol media are usually made of copper.

  • Code: 17-01-03 CW

Switch for Clean Air/Gas

Clean Air/Gas Pressure Switches. These switches operate like all other pressure switches. They make electrical contact when a certain set pressure has been reached at their input. The characteristic that differentiates them from other switches is the requirement that the piping components of the switches be made of a material like ABS or stainless steel, that will not break or chip from decompressing air, and that will withstand temperature swings of 30° F and pressures up to 140 psi.

  • Code: 17-01-03 CA

Switch for Instrument Air

Instrument Air Pressure Switches. These switches operate like all other pressure switches. They make electrical contact when a certain set pressure has been reached at their input. The characteristic that differentiates them from other switches is the requirement that they operate in an instrument air environment with pressures from 90 to 150 PSI.

  • Code: 17-01-03 IA

Switch for Sanitary Process

Sanitary Pressure Switch. These switches operate like all other pressure switches. They make electrical contact when a certain set pressure has been reached at their input. The characteristic that differentiates sanitary switches from other switches is the requirement for extreme levels of cleanliness. They require special materials and have stringent cleaning requirements. Costly corrosion-resistant materials and special finishes are required for product contact areas, which must be cleanable and smoothly polished.

  • Code: 17-01-03 SP

Transmitter

Pressure Transmitter: A device, also known as a pressure transducer, used to electronically convert the pressure of a gas or liquid in a vessel or pipe to an electronic signal. The electronic signal is then measured by an electronic sensor, or read by a computer to display, trend and/or alarm the operator.

  • SPEC #: 17120
  • Code: 17-01-02

Transmitter for Chemical Process

Chemical Process Pressure Transmitters. These transmitters operate like all other pressure transmitters. They sense the pressure level and convert that input to an electrical signal that can be used to operate a readout or other device. The characteristic that differentiates them from other transmitters is the requirement to operate in processing systems that handle chemicals such as, hydrocarbons, petrochemicals, solvents, organic and inorganic acids, halogens, salts, caustics, etc. Many of these devices are designed to handle a broad range of chemicals, but must be selected for the specific process.

  • Code: 17-01-02 CP
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