The manufacturing factory for diaphragm pumps has been completely renovated! We have released an introduction video for the new factory. We will expand our production capacity to meet customer needs.

We are currently offering a catalog introducing over 150 basic models of air-driven diaphragm pumps with intrinsic safety explosion-proof specifications.

From the ultra-compact model series 5, which is palm-sized, to the large series 80, we offer a total of 9 types, with 9 types of wetted materials and 7 types of diaphragm materials, providing over 150 basic models. It is possible to select models suitable for the usage conditions, and it can also transfer flammable liquids and liquids with abrasive elements. 【Features】 ■ Powered by compressed air, making it safe and eliminating the need for explosion-proof measures ■ Capable of transferring slurry liquids (liquids with solids and high abrasiveness) ■ Discharge volume can be adjusted and stopped by operating the air regulator ■ Fully self-priming, so no priming water is required ■ No mechanical seals, eliminating concerns about liquid leakage or failures due to dry running ■ Simple structure makes maintenance easy, and after-sales service is thorough. Fewer parts make maintenance straightforward. Equipped with a reset button to reduce downtime. 【Examples of Applications】 Recovery of waste liquids/sludge, transfer of factory wastewater, transfer of alcohol/ethanol, transfer of lubricants and hydraulic oils, paint supply to roll coaters, supply to filter presses. *For more details, please download the PDF or contact us. You can view the digest version from the 【Catalog Download】.

• Other pumps

High discharge volume! Air-driven diaphragm pump capable of transporting flammable liquids and solids.

The "NDP-40/50/80 series" is a large air-driven diaphragm pump that is ideal for various applications, such as oil plants and ceramic factories. [Main Industries] Chemical plants, ceramic factories, oil plants, chemical factories, and marine applications. [Diameter and Maximum Discharge Rate Reference*] NDP-40 Series Diameter 1-1/2" (40A), Maximum discharge rate approximately 400L/min NDP-50 Series Diameter 2" (50A), Maximum discharge rate approximately 600L/min NDP-80 Series Diameter 3" (80A), Maximum discharge rate approximately 800L/min *Values may vary depending on the wetted parts and diaphragm material. The maximum discharge rate indicates the pump's capacity. Please refer to the catalog for the actual flow rate range for your usage. For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• Other pumps

A diaphragm pump made of PTFE resin that allows for the large supply of strong acids, strong alkalis, and other chemical solutions! Flow rate can be adjusted with a regulator, making it easy to operate.

The BTT series is a diaphragm pump designed for chemical applications, utilizing fluororesin in all wetted parts. It employs highly corrosion-resistant PTFE resin, enabling the large-scale supply of strong acids, strong alkalis, and other chemical liquids. It operates on compressed air and is designed to be intrinsically explosion-proof, ensuring safe use. Features: - The body and diaphragm materials are made of fluororesin (PTFE)! - Since fluororesin is used in all wetted parts, it allows for the transfer of strong acids and strong alkalis. - High performance with a discharge rate of 125L/min! (NDP-P25BTT) * The discharge rate is only a guideline and may vary depending on the operating conditions of the diaphragm pump. For more details, please contact us or download the catalog.

• Other pumps

Maximum discharge capacity of 840L/min*! A large model with a discharge diameter of 3 inches. Air-driven, suitable for various applications such as waste liquid recovery and the transfer of flammable liquids.

The "NDP-80 Series" is a large air-driven diaphragm pump, ideal for oil plants and marine applications. 【Features】 ■ Maximum flow rate of 840L/min (excluding models with fluororesin diaphragm and GF polypropylene body) ■ Selection of models suitable for operating conditions is possible with four types of body materials and nine types of diaphragm materials. ■ Capable of transferring slurry liquids (solids and highly abrasive liquids) due to the use of ball valves. 【Examples of Applications】 Collection of wastewater/sludge, transfer of factory wastewater, transfer of alcohol/ethanol, transfer of lubricating oil and hydraulic oil, paint supply to roll coaters, supply to filter presses. 【Main Specifications】 ○ Nominal diameter: 3" (80mm) ○ Operating air pressure: 0.2 to 0.7MPa ○ Maximum discharge pressure: 0.7MPa ○ Slurry limit (maximum passing particle diameter): less than 10mm 【The NDP-80 Series is made to order, so please be sure to check the delivery date.】 * The flow rate is only a guideline and may vary depending on materials, liquids being transferred, piping conditions, etc. * For more details, please refer to the materials and catalog. Feel free to contact us with any inquiries.

• Other pumps

KELLER Pressure is a leading manufacturer of piezoresistive pressure sensors. We will showcase high-precision pressure sensors, compact pressure sensors, and high-speed response pressure sensors with the specifications listed below, focusing on pressure sensors and digital pressure gauges that have a proven track record in the aerospace and aviation fields. We will explain why KELLER Pressure products are chosen in the aerospace and aviation sectors and what sets them apart from competitors using the exhibited products. 【Example of Achievements】 Rocket (fuel, oxidizer), satellites (atmospheric pressure measurement during re-entry), combustion pressure measurement, aircraft attitude control, detonation, International Space Station (ISS), etc. For those who wish to have meetings or product introductions at our booth on the day of the event, we are accepting reservations in advance. Interested parties can contact us at sales.jp@keller-pressure.com. 【Exhibition Content】 We offer a variety of pressure sensors suitable for a wide range of measurements: 　〇 Low pressure to high pressure (0.5 kPa to 200 MPa) 　〇 Low temperature to ultra-high temperature (-50℃ to 1000℃) 　〇 High precision (± 0.01%FS and above) 　〇 Compact (Φ 1.4 x 3.1 cm and above) 　〇 Ultra-fast response 　〇 Digital display pressure gauges

● What is a hydrogen leak detector? It can measure leaks in small areas that could not be detected in air leak tests and can also identify the leak locations. It is a detector that uses a mixture of 5% hydrogen and 95% nitrogen (non-flammable gas: ISO10156:2017) as the tracer gas. ● What is a helium leak test system? It is a leak test system suitable for high-precision or high-pressure leak inspections. The helium leak test system uses helium gas as the detection gas (tracer gas) and detects the helium that has leaked out. It is the leak test method among Fukuda's leak testers that can detect the smallest leaks.

We are pleased to announce that our employees have newly passed various levels of the "Machine Inspection" certification in the second half of the 2023 fiscal year. ■ Breakdown of Successful Candidates Special Level of Machine Inspection: 1 person Third Level of Machine Inspection: 3 people The special level requires more than five years of practical experience after passing the first level. The pass rate is very low, and it demands advanced and extensive specialized knowledge. Our company has many other certified professionals as well. You can view them through the link below. We will continue to strive for further technical improvement, strengthen our quality assurance system, and assist everyone in the manufacturing industry.

The blog introduces the daily activities of Pal Giken. Please visit the website below.

We would like to introduce the Rooster camera solution provided by San Electronics Co., Ltd. This solution goes beyond traditional surveillance cameras and is an integrated monitoring system that contributes to "crime prevention," "safety management," and "business efficiency" through advanced image analysis using AI and collaboration with various sensors. ■ Background In recent years, issues have become apparent in factories, construction sites, and commercial facilities, such as: - Prevention of labor accidents - Response to labor shortages - Advancement of crime prevention and risk management These challenges are difficult to address with conventional "recording-centered surveillance cameras," and there is a growing demand for AI solutions that enable real-time detection and notification. ■ Features 1. Advanced safety management using AI → Contributes to the prevention of accidents and improvement of on-site safety. 2. Crime prevention and security functions → Enables rapid response through real-time anomaly detection. 3. Collaboration with environmental sensors → Achieves both visualization of the on-site environment and risk management simultaneously. 4. Centralized management via the cloud → Supports reduction of operational burden and rapid decision-making. For more details, please refer to the related products and catalogs on this page.