China Vibration-Resistant Stainless Steel Pressure Gauge for Hydraulic Systems - Shatter-Proof | China Suppliers Factory Manufacturer, Factories

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Introducing our all-stainless steel (SS) bottom integrated laser-welded pressure gauge, a leading industrial pressure measuring instrument manufactured entirely in China. This advanced gauge features high-energy laser welding technology that ensures complete sealing of the gauge housing and measuring system into a robust single unit. The unique bottom design places the pressure gauge connector (process connection) directly beneath the gauge housing, offering a streamlined and efficient setup suited for rigorous applications. This innovative approach represents a significant evolution in pressure gauge manufacturing processes, making it a preferred choice for industries with strict measurement standards.

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Our pressure gauge is engineered with a focus on robustness, sealing, and maintenance-free operation. Upgraded materials and manufacturing processes effectively eliminate common issues associated with traditional pressure gauges, such as leakage, corrosion, loose connections, and internal condensation. As a reliable option, it is ideal for various sectors requiring precise and dependable measurements.

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Additionally, this all-SS bottom pressure gauge is available from leading suppliers and can be tailored with different structural configurations, including split types or integrated tensioning types, to meet diverse user requirements. Trust our factory to deliver exceptional quality and performance in every unit.

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Product Description

Product Specifications
Case Stainless steel
Size 100mm (4")
Ring (Cover) Stainless steel
Window PC
Pointer Aluminum Alloy, Black Finished
Connection Stainless steel
Connection Location Lower, Center Back, Lower Back
Thread 1/2" NPT
Element (Bourdon Tube) Stainless steel
Movement Stainless steel
Dial Plate White Aluminum with Black Graduations
Core Features and Advantages
Absolute Sealing Laser welding achieves a permanent fusion between the casing and the connector, eliminating any leakage points. This completely eliminates the risk of media leakage caused by aging seals or loose threads in traditional threaded pressure gauges.
High Structural Strength The weld strength is close to or even exceeds that of the base material, resulting in an extremely secure connection with no possibility of loosening.
No Internal Leakage Risk Eliminates the potential leakage hazard at the connection between the pressure-sensing tube and the movement in traditional pressure gauges.
High Protection Rating Combining laser welding and sealed mirrors, the protection rating typically reaches IP65/IP67, providing complete dust protection and preventing water spray or short-term immersion.
Clean and Dry Internal Environment The permanent seal through laser welding ensures the internal cavity is protected from external moisture and dust, preventing internal condensation and corrosion, and extending the lifespan of the core mechanism.
Overload / Pulse Pressure Resistance Equipped with elastic elements (Bourdon tube, diaphragm) and a safety relief cover, the robust structure can withstand certain pressure overloads and pulse impacts.
Typical Application Fields
Petrochemical & Natural Gas Pressure monitoring of pipelines, reactors, compressors, and storage tanks.
Pharmaceutical & Food and Beverage Aseptic processes with high hygiene and cleanliness requirements; easy to clean and disinfect.
Water Treatment & Marine Engineering Pumps, valves, seawater desalination systems, offshore platforms; high corrosion resistance.
Power & Energy Boilers, steam pipelines, and cooling systems.
Machinery & Hydraulic Systems Heavy equipment, injection molding machines, hydraulic power units; high vibration resistance requirements.
Hazardous Areas Explosion-proof areas in chemical and oil refineries (explosion-proof certified models required).
Frequently Asked Questions
Q What makes laser-welded stainless steel pressure gauges better than traditional threaded gauges?
Laser-welded gauges create a permanent, hermetic fusion between the casing and connector, eliminating leakage points caused by aging seals or loose threads. They also achieve IP65/IP67 protection ratings, ensuring superior performance in harsh, wet, or dusty environments where traditional gauges would fail.
Q What is the protection rating of this pressure gauge, and what does it mean?
This gauge typically achieves an IP65 or IP67 protection rating. IP65 means it is fully dust-tight and protected against water jets from any direction. IP67 extends this to short-term immersion in water. This makes it suitable for outdoor, marine, and washdown environments.
Q What thread connection does this gauge use, and where is it located?
This gauge uses a 1/2" NPT (National Pipe Tapered) thread, which is a standard widely used in North American and international industrial applications. The connection can be located at the lower, center back, or lower back of the gauge, offering flexible installation options.
Q Is this pressure gauge suitable for use in the food, beverage, or pharmaceutical industries?
Yes. The all-stainless-steel construction and fully sealed laser-welded design make it ideal for aseptic and hygienic applications. The smooth, sealed surfaces are easy to clean and disinfect, meeting the strict cleanliness requirements of pharmaceutical and food & beverage processing environments.
Q Can this gauge handle pressure spikes, vibration, or pulse conditions?
Yes. The gauge is equipped with elastic sensing elements including a Bourdon tube or diaphragm, along with a safety relief cover. This robust construction allows it to withstand pressure overloads and pulse impacts, making it well-suited for hydraulic systems, heavy machinery, and compressor applications.
Q Can this gauge be used in explosion-proof or hazardous classified areas?
The gauge can be deployed in hazardous areas such as chemical plants and oil refineries, but explosion-proof certified models are required for classified zones. Please ensure you select a model with the appropriate explosion-proof certification (e.g., ATEX, IECEx) for your specific application requirements.

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