Explosion Proof YX-160B Explosion-proof Electric Contact Pressure Gauge With Switch Controller

Explosion Proof YX-160B Explosion-proof Electric Contact Pressure Gauge with Switch Controller

DATA SHEET / PRODUCT DESCRIPTIONS:

Application scenarios of electrical contact explosion-proof pressure gauges include:

Oil and gas industry: used to monitor and control pressure during oil and gas drilling, pipeline transportation and refining processes to ensure safe and efficient operations3.

Chemical Industry: In chemical plants, pharmaceutical plants and chemical production facilities, used to monitor process pressure to reduce the occurrence of accidents3.

Food and Pharmaceutical Industry: In food processing and pharmaceutical production, ensuring accurate measurement of pressure is critical for product quality and process control3.

Industrial sectors such as metallurgy and power stations: used to measure the pressure of various fluid media without explosion hazard. When used with corresponding electrical devices, it can achieve automatic control and signaling (alarm) for the measured pressure system14.

Shipbuilding, machinery and other industries: widely used in various industrial sectors or supporting mechanical and electrical equipment4.

Explosion-proof electric contact pressure gauge is suitable for places with explosion risks and is used to measure the pressure of non-crystalline, non-solidified explosive mixtures or various non-explosive media. Its working principle is based on the elastic deformation of the detection element (the spring tube in the measurement system), which drives the contacts in the electrical contact group to produce corresponding actions (closing or opening) through mechanical transmission, so that the circuit in the voltage control system can be connected or disconnected, thereby achieving the purpose of automatic control alarm and on-site instructions.

The selection of explosion-proof electric contact pressure gauges must follow the four core principles of "priority in compliance qualifications, material adaptation to working conditions, accurate range matching, and reliable functional interlocking" to ensure safe operation in flammable and explosive environments and pass safety inspection acceptance.

Core selection principles
Compliance and explosion-proof qualifications are a prerequisite
Products with a valid explosion-proof certificate issued by an authoritative organization must be selected, and the explosion-proof grade (such as ExdⅡBT4, ExdⅡCT6, etc.) must strictly match the on-site hazardous area division. Products without compliance qualifications cannot pass safety supervision inspection and have major safety hazards
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Material adaptation media properties
Select the wetted material according to the corrosiveness of the medium being measured: 304 stainless steel can be selected for ordinary media, and 316L stainless steel or PTFE lining should be used for highly corrosive media; the case material should be cast aluminum or stainless steel according to the environment to ensure long-term stable operation.

Accurate matching of measuring range and accuracy

Range selection: Normal working pressure should be between 1/3 and 2/3 of the instrument range to avoid insufficient accuracy caused by too large a range or overload damage caused by too small a range.
The accuracy level is 1.6 for general industrial control scenarios, and 0.4 or higher for high-precision requirements.
Function and installation adaptation site

Contact type: Confirm the matching of normally open/normally closed contacts and control loops, support dual or triple control of upper and lower limits, and can be interlocked with PLC/DCS systems
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Installation method: Choose radial or axial installation methods based on the space. For environments with large vibrations, it is recommended to use vibration-resistant types or fill with damping fluid.

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