Pressure Gauges

Nagano Keiki offers a diverse range of pressure gauges designed to provide accurate and reliable pressure indication in various industrial and specialized applications. The unwavering performance of these instruments is ensured by their robust stainless-steel construction and key features like glycerine-filled interiors, which provide superior vibration and pulsation resistance for a long-term service life in harsh environments.

General Industrial Pressure Gauges

This category includes the A-Series, with models such as A20, A10, A15, AA, AC, AE, AG, and AJ. These are standard bourdon tube pressure gauges compliant with JIS B 7505-1: 2015. They have a simple construction that makes them easy to handle and are applicable to a wide variety of industrial applications.

Process Industrial Pressure Gauges

This category includes the B-Series, with models such as BA, BC, BE, BG, BJ, BL and BA10, BC10, BE10, BG10, BJ10, BL10, BA12, BC12, BE12, BG12, BJ12, BL12, BA15, BC15, BE15, BG15, BJ15, BL15. These are bourdon tube pressure gauges made in accordance with the JIS B 7505-1 standard and are engineered for more demanding industrial environments.

Differential Pressure Gauges

The D and DG-Series, with models such as DG12, DG16, DG17, DG26, DG55, DG56, DG57, DG58, DG70, DG80, DG85, DG87, DG93, DG94, DG95, DG96, DG97, and DG98, are designed for measuring the pressure difference between two points. They can also be used for measuring tank liquid levels or combined with an orifice to measure flow in a pipeline.

Digital Pressure Gauges

The GC-Series provides high-accuracy electronic readings. This category includes models like GC15, GC16, GC31, GC61, GC62, GC66, GC67, and GC91, which are useful for applications requiring a clear, digital display of pressure values.

Glycerin Bath Type Pressure Gauges

The GV-Series is filled with liquid (glycerin) to protect the internal moving parts from wear caused by vibration. This makes them suitable for use in environments with constant vibration, extending the life of the gauge. This category also includes the Compact Glycerin Pressure Gauge, and the GV95 and GV97 models for smaller applications.

Other Specialized Pressure Gauges

• Wireless Pressure Gauge: The BR12 is a unique model with a built-in Bluetooth communication module, allowing pressure to be monitored remotely on a smartphone or tablet.
• Stainless Type Low Pressure Gauge: The GL30 is a highly accurate, fine pressure gauge made of stainless steel, offering high environmental resistance and protection against overpressure.
• Grade 0.6 Pressure Gauge: The GA series is a high-accuracy gauge with a rustproof structure, designed for precise pressure measurements, R&D purposes, or as a test gauge for calibration.
• Small Pressure Gauges: The GK series is compact and lightweight, making it suitable for use in small equipment where space is limited.
• Duplex Pressure Gauge: The GD1 series has two pressure connections, allowing it to measure two different pressures simultaneously with a single indicator, saving space.
• Solid Front Pressure Gauges: The GF3 series is designed for safety and durability in petrochemical and nuclear plant process applications.
• Low Pressure Gauges: This category, including the GL and AN10 series with models GL13 and GL19, is designed to measure very low pressures that cannot be measured by standard Bourdon tube gauges.
• Diaphragm-Seal Type Pressure Gauges: The SC series is designed for measuring highly corrosive or viscous fluids using a diaphragm seal to protect the internal measuring element.
• Sanitary Gauges: The SU3 and SU4 series are specifically designed for use in industries where hygiene is critical, such as food, medicine, and cosmetics.
• Precision Pressure Gauge: The GP series is a highly accurate gauge used for inspection and calibration.
• High Pressure Gauges: The GH series is designed to handle high-pressure applications.
• Absolute Pressure Gauges: The DA1 series measures pressure relative to a perfect vacuum.
• Other models include the BN13 for the petroleum industry and the SN9 and ZT67 models for other specialized applications.

Pressure Sensors & Transmitters

These products convert pressure into an electrical signal, enabling precise monitoring and automated control in complex systems. Their unparalleled accuracy is achieved through advanced sensing technology like Bourdon tube and Semiconductor Strain Gauge (SS sensor) technologies. The instruments, including models with non-liquid filled technology, are tailored for specific requirements like high-temperature and high-viscosity applications, ensuring clean and safe operation.

• The ER-Series, featuring the ER31, is a wireless sensor that operates without a battery.
• The EK-Series includes the EK30, a digital sensor designed for use in factory automation.
• The ZT-Series, with models such as ZT11, ZT15, and ZT17, are sensors for specialized applications like high-temperature or semiconductor manufacturing.
• The SU-Series includes the SU15 transmitter, designed for hygienic processes.
• The KF-Series, with the KF10 model, is a specialized sensor for measuring melt pressure and temperature.
• The EJ-Series includes the EJ15 model, an intrinsically safe sensor that complies with international safety standards.
• The KH-Series, with models like KH15, KH33, and KH50, is a line of compact and general-purpose pressure transmitters.
• The KP-Series includes the KP15 model, a transmitter designed for low and absolute pressure measurements.
• The KL-Series, with models like KL19 and KL91, is a series of high-precision differential and static pressure transmitters.
• The KJ-Series, including models such as KJ91, KJ92, and KJ96, constitutes a series of intrinsically safe and explosion-proof transmitters.
• Other sensors include KM15, KM16, KM17, KM31, KM70, and KM71.

Pressure Switches

Nagano Keiki’s pressure switches are essential for safety and control systems, automatically triggering an action when a set pressure threshold is met. These products are a professional standard of safety, with many models holding ATEX and IECEx certifications for use in explosion-proof environments and critical applications like refineries.

• The CD-Series, including models like CD31, CD75, CD77, CD78, and CD81, comprises a line of certified flameproof and explosion-proof pressure switches.
• The CE-Series, with the CE15 model, is an electronic pressure switch that uses advanced sensors.
• The CS-Series, with the CS76 model, is a reliable switch designed for pneumatic and hydraulic control.
• The CQ-Series includes models like CQ20, CQ21, and CQ30, which are switches that use a Bourdon tube as a sensing element.
• The CL-Series, with the CL13 model, is a differential pressure switch designed for applications such as air filter monitoring.
• The JM/JB-Series, including models like JM11, JM16, JM21, JM71, and JB50, are pressure gauges with built-in microswitch or reed switch contacts.