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Reliable Supplier of Diaphragm for Pressure Measurement

As a trusted supplier of diaphragm for pressure measurement, we provide durable and accurate instruments for gases and liquids in industrial settings.


Product Features:
  • Dial size: 2", 2.5", 4", 6"
  • Range: -1~40Bar
  • Diaphragm Body: SS 304 or SS 316L
  • Diaphragm Seal: SS316L
  • Diaphragm Size: Customised

Product Detail

Product Tags

Product Main Parameters

ModelPG-D-04
Nominal size in mm100
Accuracy class1.6
Scale ranges-1~40bar
Permissible temperatureAmbient: -20~60℃, Medium: 150℃
Process connectionS.S 304
Connection SizeCustomized
Diaphragm bodyS.S 304 or S.S 316L
Diaphragm sealS.S 316L
CaseS.S 304
BezelS.S 304
WindowPC
DialAluminum (customized logo)
PointerAluminum, black

Common Product Specifications

Pressure Range-1 to 40 bar
ConnectionCustomizable S.S 304
Temperature Range-20°C to 60°C ambient, up to 150°C medium
Material OptionsS.S 304 or 316L diaphragm body
AccuracyClass 1.6

Product Manufacturing Process

The manufacturing of diaphragm pressure gauges involves several critical steps to ensure precision and durability. Initially, high-quality materials such as S.S 304 or S.S 316L are selected for their corrosion resistance and strength. Precision machining processes are then applied to craft the diaphragm and sensor components. Calibration is conducted meticulously to align with industry standards. Advanced techniques, like laser welding, are utilized to secure diaphragm seals, enhancing their pressure handling capabilities. Each gauge undergoes rigorous testing under various temperature and pressure conditions to ensure reliability. Continual improvement in manufacturing processes is guided by authoritative research to meet evolving industrial demands.


Product Application Scenarios

Diaphragm pressure gauges serve critical roles across multiple industries. In the automotive sector, they monitor fuel and oil pressure, ensuring optimal engine performance. The medical field employs these gauges in devices to measure blood and respiratory pressures. Their chemical compatibility makes them indispensable in the petrochemical industry for monitoring pressure in pipelines and reactors. The gauges' ability to withstand harsh conditions suits them for applications in food processing, pharmaceuticals, and energy production. Their precision ensures safety and efficiency in these diverse applications, supported by ongoing research and development documented in authoritative industry papers.


Product After-Sales Service

  • Comprehensive warranty coverage
  • Dedicated customer support team
  • On-site service and calibration
  • Replacement and repair options available

Product Transportation

  • Secure packaging to prevent damage
  • Fast and reliable shipping options
  • Tracking and delivery confirmation
  • International shipping available

Product Advantages

  • Durability in harsh conditions
  • High precision and accuracy
  • Wide range of applications
  • Customizable designs
  • Excellent chemical compatibility

Product FAQ

  1. What materials are used in the diaphragm? The diaphragm is typically made from stainless steel (S.S 304 or S.S 316L), chosen for its corrosion resistance and mechanical strength. This ensures the products’ longevity even in demanding environments.
  2. Can the gauge handle high temperatures? Yes, our diaphragm pressure gauges are designed to withstand medium temperatures up to 150°C and ambient temperatures ranging from -20°C to 60°C.
  3. Is customization available? Yes, we offer customizable connection sizes and diaphragm materials to meet specific customer requirements. Our team works closely with clients to deliver tailored solutions.
  4. How does the gauge ensure accurate readings? Each gauge undergoes rigorous calibration and testing to ensure precision in various conditions, achieving an accuracy class of 1.6.
  5. What industries commonly use these gauges? Our diaphragm pressure gauges are utilized in automotive, medical, petrochemical, and various industrial sectors due to their reliability and versatility.
  6. How do you maintain the gauges? Regular calibration and inspection are recommended. Our after-sales service team offers maintenance support to ensure ongoing accuracy and performance.
  7. Do you offer global shipping? Yes, we provide international shipping with secure packaging and reliable delivery services to ensure the products reach you safely, wherever you are.
  8. What is the warranty period? Our products come with a comprehensive warranty to cover any manufacturing defects, offering peace of mind for your purchase.
  9. How do you test the gauges? Each unit is tested under a variety of simulated operating conditions to ensure it meets our strict quality standards before it is shipped to our customers.
  10. Why choose Guanshan Instruments? As a leading supplier, we offer reliable, high-quality diaphragm pressure measurement instruments that have been trusted by industries worldwide for over 30 years.

Product Hot Topics

  1. Innovations in Diaphragm Material The advancement in diaphragm materials such as Hastelloy, Inconel, and Monel has significantly improved the durability and function of pressure gauges in extreme environments. Modern applications demand more robust and chemically resistant materials, pushing manufacturers to innovate continually. Diaphragms made from these specialized metals withstand high pressures and aggressive media, ensuring reliability in sectors like oil, gas, and chemicals. Guanshan Instruments stays at the forefront by adopting these innovations, offering tailored solutions to meet specific industrial needs.
  2. Role of Diaphragm Pressure Gauges in Healthcare In healthcare, precision and reliability are paramount. Diaphragm pressure gauges are integral in devices measuring blood pressure and respiratory functions. Their accuracy ensures patient safety and treatment efficacy. As a supplier, understanding healthcare industry standards is crucial, as it involves delivering instruments that meet stringent regulatory requirements. Our commitment to quality and innovation aligns with the evolving demands of medical technology, providing cutting-edge solutions to healthcare providers globally.
  3. Customization Trends in Pressure Measurement The increasing demand for customized solutions in pressure measurement reflects the diverse needs of modern industries. Customizable diaphragm pressure gauges allow clients to specify size, material, and connection type, enhancing their application-specific functionality. This trend underscores the importance of flexibility in design and manufacturing processes. At Guanshan Instruments, we pride ourselves on offering bespoke solutions that cater to each client's unique operational requirements, supported by a dedicated team of engineers and specialists.
  4. Impact of Digital Transformation on Pressure Measurement The integration of digital technology in pressure measurement has revolutionized the industry. From digital displays to smart sensors, technology boosts accuracy and provides real-time data access. Diaphragm pressure gauges now offer connectivity features for remote monitoring and predictive maintenance, aligning with the Industrial Internet of Things (IIoT). As a supplier, embracing digital transformation enhances product offerings, positioning us as leaders in a tech-driven market landscape.
  5. Environmental Considerations in Manufacturing Sustainability is increasingly becoming a focal point in global manufacturing practices. Utilizing environmentally friendly materials and processes in diaphragm pressure gauges can significantly reduce carbon footprints. As industries move towards greener production methods, Guanshan Instruments supports these initiatives, ensuring our products align with ecological standards without compromising performance. Our approach reflects a commitment to environmental stewardship, resonating with eco-conscious clients.
  6. Advances in Pressure Gauge Calibration Techniques Calibration is vital in maintaining the precision and reliability of diaphragm pressure gauges. Advanced techniques have emerged, enhancing accuracy and efficiency. These include automated systems and high-tech calibration tools that minimize human error. Staying updated with these advancements ensures our instruments deliver consistent performance, reinforcing our reputation as a trusted supplier. Our continuous investment in research and calibration technology ensures we meet the highest industry standards.
  7. Challenges in Pressure Measurement in Extreme Conditions Operating in extreme conditions poses challenges for pressure measurement, necessitating robust design and material selection. Diaphragm pressure gauges from Guanshan Instruments are engineered to withstand such environments, from deep-sea oil exploration to high-altitude applications. Understanding the nuances of different operational scenarios allows us to innovate and adapt, providing reliable solutions that maintain performance integrity under the most demanding conditions.
  8. Future of Pressure Measurement Technology The future of pressure measurement lies in innovation and adaptability. Emerging technologies such as nanotechnology and advanced manufacturing processes promise to revolutionize diaphragm pressure gauges, enhancing their functionality and precision. Embracing these technologies will be crucial for suppliers looking to maintain a competitive edge. Guanshan Instruments remains committed to exploring these frontiers, ensuring we continue to offer cutting-edge solutions for diverse industrial needs.
  9. The Importance of Supplier Partnerships in Industry Collaborating with a reliable supplier like Guanshan Instruments ensures access to high-quality diaphragm pressure gauges and benefits from expert consultation and support. Building strong supplier relationships fosters innovation and development, offering clients a competitive advantage. Our commitment to excellence and customer satisfaction positions us as a preferred partner in the pressure measurement industry.
  10. Understanding Pressure Measurement Standards Adhering to international standards in pressure measurement is critical for safety and consistency. These standards guide the design, manufacturing, and testing of diaphragm pressure gauges. Guanshan Instruments rigorously follows these guidelines, ensuring our products meet the strict requirements of global markets. Compliance with standards not only enhances credibility but also assures clients of the reliability and safety of our instruments.

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