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Wholesale All Stainless Steel Petrochemical Diaphragm Pressure Gauge

  • Diaphragm-Seal Pressure Gauge
Diaphragm-Seal Pressure Gauge
Nominal size Y60、Y100
Accuracy class CL1.6/CL2.5
Diaphragm material 0Cr17Ni12M02(316),H276c,Cu30Ni70, Ta,F4
Flange material 0Cr17Ni12M02(316), 316+F4
Sealing gasket material NBR、FKM、VMQ、Fluorine plastic
Diaphragm fluid Silicone oil, glycerin, vegetable oil, fluorine oil
  • Diaphragm-Seal Pressure Gauge
  • Diaphragm-Seal Pressure Gauge
  • Diaphragm-Seal Pressure Gauge
Diaphragm-Seal Pressure Gauge
Nominal size Y60、Y100
Accuracy class CL1.6/CL2.5
Diaphragm material 0Cr17Ni12M02(316),H276c,Cu30Ni70, Ta,F4
Flange material 0Cr17Ni12M02(316), 316+F4
Sealing gasket material NBR、FKM、VMQ、Fluorine plastic
Diaphragm fluid Silicone oil, glycerin, vegetable oil, fluorine oil
  • Diaphragm-Seal Pressure Gauge
  • Diaphragm-Seal Pressure Gauge
  • Diaphragm-Seal Pressure Gauge
Diaphragm-Seal Pressure Gauge
Nominal size Y60、Y100
Accuracy class CL1.6/CL2.5
Diaphragm material 0Cr17Ni12M02(316),H276c,Cu30Ni70, Ta,F4
Flange material 0Cr17Ni12M02(316), 316+F4
Sealing gasket material NBR、FKM、VMQ、Fluorine plastic
Diaphragm fluid Silicone oil, glycerin, vegetable oil, fluorine oil
  • Diaphragm-Seal Pressure Gauge
Zhoushan Jiaerling Meter Co., Ltd.

About Us

Zhoushan Jiaerling Meter Co., Ltd. is China All Stainless Steel Petrochemical Diaphragm Pressure Gauge Manufacturers and Wholesale All Stainless Steel Petrochemical Diaphragm Pressure Gauge Factory. The company was established in 2004. It is a high-tech enterprise integrating design, research and development, manufacturing, import and export trade.

The company is located in Zhoushan City, Zhejiang Province, covering an area of ​​15,000 square meters, equipped with a 100,000-level clean workshop, conventional production and assembly workshop, automated production workshop, new laboratory and comprehensive office building.

After more than 20 years of hard work and development, the company has a stable design and development, production team, and advanced production and testing equipment. The company specializes in the production of various types of pressure gauges with complete specifications, and the annual output of pressure gauges reaches 6 million. In order to further develop, the company not only seeks improvement in technology, but also pays more attention to product quality and after-sales service. The company's purpose is to "regard quality as life, survive by reputation, promote development by technology, and serve customers with high-quality brands". The products are sold all over the world and are well received by domestic and foreign customers.

In 2019, the company participated in the compilation of the standard T/CECS10012-2019 "Gas Heating Hot Water Boiler and Water Heater Water Circuit Components" of the China Engineering Construction Standardization Association.

Under the implementation of modern and digital enterprise management, the company has successfully introduced the advanced MES system in 2023, and the order process is fully visualized to track data, ensuring the continuity of production and improving production efficiency.

The company will continue to adhere to the principles of excellence, accuracy, reliability, continuous improvement, and meeting customer needs, hoping to share harmony and prosperity with friends across the country.

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All Stainless Steel Petrochemical Diaphragm Pressure Gauge

What are the characteristics of the structural design of all stainless steel petrochemical diaphragm pressure gauge?

The all stainless steel petrochemical diaphragm pressure gauge launched by Jiaerling is made of all-metal stainless steel, mainly including high-performance alloys such as 316L. These materials not only have excellent corrosion resistance, but also show excellent mechanical strength, which can effectively resist the corrosive media commonly found in the petrochemical industry. The all-stainless steel design concept not only ensures the long-term stable operation of the pressure gauge in harsh environments, but also improves the overall aesthetics of the equipment, meeting the dual requirements of modern industry for equipment appearance and performance.
Technical advantages of high-precision measurement
The core technology of this pressure gauge lies in its unique diaphragm sensing structure. Jiaerling uses high-precision and high-sensitivity diaphragms as key pressure sensing elements. Under the action of the measured medium, the diaphragm will produce a slight deformation, which is converted into a readable pointer indication or electrical signal output through a precise conduction mechanism. This design not only ensures high-precision measurement, but also enables the equipment to perform well in harsh environments such as high temperature, high pressure and strong corrosion, meeting the strict requirements of the petrochemical industry for measuring instruments.
Maintenance convenience of modular design
Jiaerling's all-stainless steel petrochemical diaphragm pressure gauge adopts a modular design concept, and each functional component is independently packaged. This design concept greatly simplifies the installation and maintenance process and improves the reliability and maintainability of the equipment. When a module fails, the user only needs to replace the corresponding module without disassembling and repairing the entire pressure gauge. This design not only reduces maintenance costs, but also significantly reduces downtime and improves production efficiency.
Explosion-proof safety design to ensure production safety
In response to the special safety needs of the petrochemical industry, Jiaerling has carried out rigorous explosion-proof safety design for all-stainless steel petrochemical diaphragm pressure gauges. The pressure gauge uses a special explosion-proof structure and materials to effectively prevent sparks or arcs in flammable and explosive environments to ensure production safety. Jiaerling also provides comprehensive explosion-proof certification and testing services to ensure that each pressure gauge meets relevant domestic and international safety standards, providing strong safety guarantees for users' production processes.

What are the precautions for installing all stainless steel petrochemical diaphragm pressure gauges?

Before installing all stainless steel petrochemical diaphragm pressure gauges, adequate preparation is essential. First, users need to ensure that the model, specification and range of the selected pressure gauge meet the actual application requirements. Jiaerling provides pressure gauges of various specifications and ranges to meet the measurement requirements under different working conditions. In addition, users should carefully check the appearance of the pressure gauge to confirm that there is no damage, the pointer is flexible, and that the thread of the joint is not worn or slipped.
The importance of selecting the installation location
The installation location of the pressure gauge directly affects its measurement accuracy and service life. Jiaerling recommends selecting a location that is easy to observe and maintain for installation, ensuring that the dial should be kept horizontal for easy monitoring by staff. In order to reduce losses and errors during pressure transmission, the distance between the pressure gauge and the pressure measuring point should be minimized. In addition, the installation location should be away from strong magnetic fields, high temperature sources and vibration sources to avoid interference with pressure measurement accuracy.
Ensure sealing
In the petrochemical industry, the medium is often corrosive and flammable and explosive, so the sealing of the pressure gauge is particularly important. Jiaerling's all-stainless steel petrochemical diaphragm pressure gauge uses high-precision, high-corrosion-resistant sealing gaskets, such as copper or polytetrafluoroethylene, to ensure excellent sealing performance. During the installation process, users need to ensure the correct installation of the sealing gasket and the appropriate tightening torque to prevent leakage.
Consider the characteristics of the medium
The characteristics of different media have different requirements for the installation and use of pressure gauges. For example, when the temperature of the measured medium exceeds 85°C, it is recommended to install a condenser or radiator at the front end of the pressure gauge to reduce the medium temperature; if the medium has instantaneous impact or pulsating pressure, a buffer or damping screw should be installed to effectively absorb pressure fluctuations; for crystallized or high-viscosity media, it is recommended to install an isolator to prevent the medium from clogging the pressure-inducing hole.
Specifications of installation direction and method
The all-stainless steel petrochemical diaphragm pressure gauge should be installed vertically, with an inclination of no more than 30 degrees, and try to keep it at the same horizontal position as the measuring point to ensure the accuracy of the measurement. During the installation process, users need to choose the appropriate installation method according to the thread specifications and interface methods of the pressure gauge. For example, if a flange interface is used, be sure to install a stop valve and a vent valve between the flange joint and the pipeline to facilitate subsequent installation and maintenance.
Maintenance and calibration
Regular maintenance and calibration of all-stainless steel petrochemical diaphragm pressure gauges is the key to ensuring their long-term stable operation. Users should regularly check the working status of the pressure gauge to promptly identify and deal with potential problems. In addition, it is recommended to recalibrate the pressure gauge every time a major repair or change of media is performed to ensure the accuracy and reliability of its measurement.