China 4.5 160 PSI Common Rail Pressure Gauge – Durable Case from China Suppliers and Factory for Industrial Applications Manufacturers, Supplier

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Introducing our precision pressure gauge, an essential instrument meticulously engineered for the accurate measurement and local indication of fluid or gas pressure in various industrial, commercial, and process applications. Made with durable materials like stainless steel and brass, this pressure gauge is built to withstand challenging operating conditions, including high vibrations, extreme temperature changes, and corrosive environments.

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Featuring a Bourdon tube sensing element, our pressure gauge effectively converts pressure measurements into mechanical displacement, displayed clearly through a calibrated dial and pointer. Available in a wide range of dial sizes, pressure ranges, and connection types, this product can be customized to fit the unique requirements of different systems.

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Our pressure gauges are widely utilized across multiple sectors, including oil & gas, chemical processing, water treatment, HVAC, power generation, and manufacturing. As a reliable China supplier and factory, we offer optional features such as glycerin or silicone fluid filling for enhanced damping, overpressure protection, adjustable zero mechanisms, and ensure compliance with international standards like EN 837 and ASME B40.100.

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Designed for straightforward installation and hassle-free maintenance, our pressure gauge guarantees stable performance, exceptional readability, and a long service life, making it an indispensable component for safe and efficient system monitoring.

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Product Description

Product Specifications

Case Phenolic
Size 100mm (4")
Ring (Cover) Phenolic
Window Glass
Pointer Aluminum Alloy, Black Finished
Connection Stainless Steel
Connection Location Lower
Thread 1/8", 1/4", 3/8", 1/2"; PT (BSPT, ZG), BSP (G, PF), NPT etc.
Element (Bourdon Tube) Stainless Steel
Movement Stainless Steel
Dial Plate White Aluminum with Black Graduations

Core Features & Advantages

Durable Structure and Protection Design

The case is made of high-quality Phenolic material with rust-proof treatment, suitable for damp, dusty, and mildly chemically corrosive environments. Chrome-plated options are available, further enhancing the appearance and protection level. The glass and polycarbonate (PC) options for the lens provide strong impact resistance, suitable for situations where mechanical collisions may occur.

High Readability and Precise Indication

The white aluminum dial with black scales offers clear contrast, facilitating data reading from a distance or in low light conditions. The pointer, made of aluminum alloy with a black surface treatment, is lightweight and resistant to shaking, ensuring stable and drift-free indication. Both the movement and Bourdon tube feature precise transmission structures for sensitive response, guaranteeing consistent measurement over time.

Flexible Installation & Adaptability

Supports multiple installation positions (bottom inlet, middle rear inlet, bottom rear inlet) to meet different system layout requirements. Threaded interfaces are compatible with various specifications such as 1/8", 1/4", 3/8", and 1/2", and can be provided with PT (BSPT/ZG), BSP (G/PF), NPT, and other thread standards according to requirements.

Wide Range of Applications & Sizes

The dial size covers seven specifications ranging from 40mm (1.5") to 200mm (8"), suitable for embedding into compact equipment panels or using on large units or remote monitoring dashboards. This meets full-range pressure monitoring needs, from fine pneumatic control to heavy-duty hydraulic systems.

Typical Application Fields

  • Industrial Hydraulic and Pneumatic Control Systems
  • Compressors, Pump Valves, and Pipeline Pressure Monitoring
  • Water Supply, Heating, and Air Conditioning Systems
  • Energy, Chemical, and Manufacturing Process Detection
  • Firefighting Equipment and Safety Monitoring Systems

Frequently Asked Questions

What are the main benefits of a Phenolic case?

Phenolic material provides excellent durability and resistance to chemicals, moisture, and dust. It is highly suitable for demanding industrial environments where mild corrosive elements or harsh environmental conditions are present.

What connection thread sizes and standards are available?

Thread sizes of 1/8", 1/4", 3/8", and 1/2" are supported. Available standards include PT (BSPT, ZG), BSP (G, PF), and NPT to ensure full compatibility with various piping and instrument systems.

Is this pressure gauge suitable for high-vibration environments?

Yes, the lightweight aluminum alloy pointer features a black surface treatment and is engineered to resist shaking, ensuring stable, accurate, and drift-free indications even under mechanical vibration.

What dial sizes can be selected for different equipment?

While the standard size listed is 100mm (4"), seven dial specifications are available ranging from 40mm (1.5") up to 200mm (8") to fit compact panels or large monitoring dashboards.

Can the installation entry position be customized?

Yes, multiple connection locations are supported, including lower (bottom inlet), middle rear inlet, and bottom rear inlet positions to facilitate flexible system installation.

What materials are used for internal wetted parts and connections?

The connection, internal movement, and Bourdon tube element are all constructed from high-grade stainless steel to ensure robust corrosion resistance and long service life.

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