ケイヒン Product Lineup

The "FX Series" flow control valve is a compact, high-functionality, high-performance electric control valve. It allows for precise flow control of various fluids such as water, oil, air, gas, and steam at 4-20mA. It is suitable for operating various fluid control systems, including flow, temperature, pressure, level, and pH control. Additionally, we also offer a larger type (40-100A) flow control valve, the "VX Series." 【Features】 ■ Enables precise flow adjustment at 4-20mA ■ Allows for adjustment of opening and closing speed and selection of flow characteristics ■ Adopts a resolution of 1:500 and a highly durable drive mechanism ■ Well-suited for operating various fluid control systems *For more details, please refer to the PDF materials or feel free to contact us.

It is possible to control the flow rate of various fluids such as water, oil, and steam. Due to its ball structure, it is suitable for applications requiring high flow rate control. The diameter sizes range from 15A to 50A. There are two types of control methods: '4-20mA input type' and 'potentiometer built-in type (0-135Ω).' *For more details, please refer to the PDF document or feel free to contact us.*

The "KB1-WAGH series" is an electric ball valve (motor valve) for water, oil, and air that can be used at 【2MPa】. It automatically closes due to the force of a spring, making it suitable for emergency shut-off during power outages (steam shut-off valve). Additionally, the opening and closing operation time is approximately 2.5 seconds. 【Features】 ■ Supports MAX 2MPa ■ Spring return type ■ Can be used for emergency shut-off during power outages (steam shut-off valve) ■ As it uses a 2-wire power supply, it can be replaced from a solenoid valve without changing the wiring *For more details, please refer to the PDF document or feel free to contact us.

The "KB1-WAG series" is a stainless steel electric ball valve (motor valve) for water, oil, and air. It automatically closes due to the force of a spring, making it usable as an emergency shut-off valve (for water, oil, and air). Additionally, with an opening and closing time of about 2.5 seconds, it can reduce water hammer. There are sister series "KB1 (for steam)" and "KB1 (made of resin)." 【Features】 ■ Spring return type ■ Usable as an emergency shut-off during power outages ■ Can replace solenoid valves without wiring changes due to its two-wire power supply ■ Reduces water hammer with an opening and closing time of about 2.5 seconds *For more details, please refer to the PDF document or feel free to contact us.

The "MVS-SSRK Series" is a stainless steel, full-bore type electric ball valve (motor valve). It automatically closes with the force of a spring, making it suitable for use as an emergency shut-off valve. Additionally, we offer a sister series of full-bore electric ball valves with ON/OFF types called the "MVS Series." 【Features】 ■ Spring return type ■ Usable as an emergency shut-off valve during power outages ■ Full bore available up to 125A ■ Almost no pressure loss *For more details, please refer to the PDF document or feel free to contact us.

The "KB1-S Series" is an electric ball valve (motor valve) for steam use. It automatically closes due to the force of a spring, making it suitable for emergency shutdown during power outages (steam shut-off valve). Additionally, the opening and closing operation time is approximately 2.5 seconds. It features a stainless steel body that is resistant to corrosion from steam drainage. In addition, we offer sister series "KB1 (for water, oil, and air)" and "KB1 (made of resin)." 【Features】 ■ Spring return type ■ Can be used for emergency shutdown during power outages (steam shut-off valve) ■ Stainless steel body resistant to corrosion from steam drainage ■ Can replace solenoid valves without wiring changes due to the two-wire power supply *For more details, please refer to the PDF document or feel free to contact us.

The "KB1-PV Series" is a resin-made electric ball valve (motor valve). It automatically closes with the force of a spring, making it suitable for emergency shut-off use. Additionally, with an opening and closing time of about 2.5 seconds, it can help reduce water hammer. There are sister series "KB1 (for water, oil, and air)" and "KB1 (for steam)." 【Features】 ■ Body made of PVC, compatible with corrosive fluids ■ Spring return type ■ Usable for emergency shut-off during power outages ■ Can replace solenoid valves without wiring changes due to its two-wire power supply *For more details, please refer to the PDF materials or feel free to contact us.

The "KMW Series" is a compact spring-return type electric ball valve (motor valve). When the power is turned off, it automatically closes due to the force of the spring, making it suitable for use as an emergency shut-off valve. It also ensures safety in the event of a power loss. It can be used in a wide range of applications, including residential, food, and medical fields. 【Features】 ■ Spring-return type ■ Can be used as an emergency shut-off valve during power outages ■ Available in bronze and stainless steel body materials ■ Can be replaced from solenoid valves without wiring changes due to its two-wire power supply *For more details, please refer to the PDF materials or feel free to contact us.

The "TX2・TX350+SKH-FS3 series" is a double-acting pneumatic ball valve (sanitary connection ball valve) with excellent sanitary properties compliant with ISO/IDF standards. The connection is made with a sanitary ferrule, making installation easy. It is made from corrosion-resistant materials such as SCS16, demonstrating excellent corrosion resistance. Furthermore, it is now available at a low price, making it more affordable. [For more details, please download the catalog or feel free to contact us.]

The "KLS Series" is a stainless steel electric ball valve (motor valve) for steam use. You can choose from standard and high-speed opening and closing speeds. It is used in a wide range of applications, including cleaning equipment, food machinery, various devices, and factory facilities. For water, oil, and air, we offer the general-purpose electric ball valve "KLW Series." 【Features】 ■ For 200°C steam and high-temperature water, sizes 15 to 25A ■ Two types of opening and closing times: standard type (10 seconds) and high-speed type (3 seconds) ■ Features a stainless steel body that is resistant to corrosion from steam drainage *For more details, please refer to the PDF materials or feel free to contact us.

The "KMK Series" is a small, low-pressure steam specialized type of spring return electric ball valve (motor valve). When the power is cut off, it automatically closes due to the force of the spring, making it suitable for emergency shut-off (emergency shut-off valve). Additionally, it ensures safety during power loss. It can be used in a wide range of applications, including residential, food, and medical sectors. 【Features】 ■ Spring return type ■ Can be used as an emergency shut-off valve during power outages ■ Specialized series for low-pressure steam and high-temperature water up to 150°C ■ Can replace solenoid valves without wiring changes due to its two-wire power supply *For more details, please refer to the PDF document or feel free to contact us.

The "KBK-S Series" is an electric ball valve (motor valve) CAC406. It automatically closes with the force of a spring, making it suitable for emergency shut-off (steam shut-off valve). Additionally, this series is a low-cost product of the sister series KB1-S (for steam). 【Features】 ■ Spring return type ■ Usable as an emergency shut-off (steam shut-off valve) during power outages ■ Low-cost series of the KB1-S series ■ Can be replaced from solenoid valves without wiring changes due to the two-wire power supply *For more details, please refer to the PDF materials or feel free to contact us.

At Keihin, we handle a variety of special valves that are not available from other manufacturers. Customization is possible to meet various conditions, such as accommodating high pressure, low temperature/high temperature, and changing materials according to the corrosiveness of the fluid. We can control fluids such as water, air, oil, and steam. Specifications that are difficult for other manufacturers can be consistently managed from design to production, responding to requests regarding fluid specifications such as fluid, pressure, and temperature, as well as material, connection, and size. 【Example of Products】*Customization is also available for catalog-listed items ■ Pneumatic Piston Valve 　⇒ Products compatible with 60 to 80 MPa ■ Solenoid Valve 　⇒ Products compatible with 20 MPa 　⇒ Products compatible with 250°C 　⇒ Products compatible with -196°C ■ Electric Valve 　⇒ Electric valve with a resin body material and spring return type (emergency shut-off valve) ■ Check Valve 　⇒ Products made of Hastelloy material ■ Others 　⇒ Various valves compatible with seawater 　⇒ OEM products for specific customers, etc.

Are you having trouble finding a flange-connected valve, saying "there are only threaded products," or "I found a nipple flange on the internet, but the face-to-face distance is too long, and I can't secure enough piping space..."? Our company sells welded fittings that connect nipples and flanges with R × JIS 10K-FF connections as shown below. Please feel free to contact Keihin when you have any issues. ◆ Features - The face-to-face distance is short, at 39.5mm on one side (79mm for a set). *This dimension is for 25A. - We offer diameter sizes from JIS 10K-FF 15A to 25A. - We have two material options available: SS400 and SUS304.

Have you ever been troubled by a sudden halt in valve production? For example… === Production of valves has suddenly stopped, both domestically and internationally… === The successor model lacks compatibility in specifications and dimensions, what should we do… At Keihin Co., Ltd., we manufacture valves that meet our customers' needs, regardless of temperature, material, pressure, size, or shape. Our "Special Valve Production Case Studies" includes numerous examples of special valves we have handled in the past. [Example of a production case] ■ Ultra-high pressure pneumatic operated piston valve → Special materials are used for the valve seat and needle section to enhance durability. ■ Spring return type electric ball valve for air conditioning (steam specification) → Maintenance can be performed while still connected to the piping. ■ Sack-back type pneumatic operated valve unit → Achieved larger sack-back systems, unitization, and improved maintainability. The downloadable materials only include a selection of products. For more details, please contact us.

Keihin's various valves, which are responsible for fluid control in all fields, are applied in a variety of areas. We will give away three comprehensive catalogs for free, featuring not only general products but also a wide range of special products. ■Electromagnetic Valve Comprehensive Catalog - Small general-purpose electromagnetic valves - Low, medium, and high-pressure general-purpose electromagnetic valves - Electromagnetic valves for high viscosity... ■Electric Valve Comprehensive Catalog - Small electric ball valves - Spring return type electric ball valves - Electric control valves... ■Automatic Valve Comprehensive Catalog - Constant water level valves - Needle type constant flow valves - High-performance check valves... *In addition to catalog products, we have many special products available, so please feel free to contact us. *If you would like the comprehensive catalogs, please request the materials or view the PDF data from the download section.

In the semiconductor manufacturing industry, precise control of fluids in the manufacturing process is essential for the stable production of high-quality products. In particular, flow control of chemicals and pure water directly affects product yield and quality. Even slight fluctuations in flow can lead to decreased product performance or the occurrence of defects. The FX series electric flow control valve enables fine flow adjustments through a 4-20mA signal, achieving strict flow management in semiconductor manufacturing processes. 【Application Scenarios】 - Chemical supply lines - Pure water supply lines - Cooling water control - Various gas supply lines 【Benefits of Implementation】 - Improved product quality through flow stabilization - Enhanced yield - Cost reduction through process optimization

In the pharmaceutical industry, precise mixing of raw materials is required to maintain consistent product quality. Particularly in the manufacturing of pharmaceuticals where the mixing ratio is crucial, uniform mixing becomes an important factor that affects the product's efficacy and safety. Improper mixing can lead to a decline in product quality and issues in the manufacturing process. The FX series electric flow control valve enables precise mixing of raw materials through fine flow adjustments at 4-20mA, contributing to the improvement of quality in pharmaceutical processes. 【Application Scenarios】 - Mixing of raw materials in pharmaceutical manufacturing - Reagent formulation - Supply of culture media 【Benefits of Implementation】 - Uniform mixing through accurate flow control - Stabilization of product quality - Increased efficiency in the manufacturing process

In the food industry, temperature management during the manufacturing process is crucial for maintaining product quality and safety. Inadequate temperature management can lead to food spoilage and quality deterioration, potentially affecting product safety. The FX series finely controls the flow of various fluids such as water, oil, air, gas, and steam with a 4-20mA signal, making it suitable for various fluid control system operations, including temperature, pressure, level, and pH control. This allows for precise temperature management in food manufacturing, ensuring product quality and safety. 【Usage Scenarios】 - Heating and cooling processes for food - Manufacturing lines requiring temperature management - Production of temperature-sensitive foods 【Benefits of Implementation】 - Improved accuracy of temperature management - Stabilization of product quality - Reduction of food waste

In chemical plant reaction control, the control of fluid flow rates is crucial as it affects reaction speed and product quality. Particularly when reaction conditions are delicate, even slight variations in flow rate can significantly impact the stability and efficiency of the reaction. The FX series allows for fine flow adjustments through 4-20mA input, contributing to improved precision in fluid control during the reaction process. 【Application Scenarios】 - Flow control in chemical reaction processes - Control of temperature, pressure, and pH - Flow adjustment of various fluids 【Benefits of Implementation】 - Stabilization of the reaction process - Improvement in product quality - Optimization of the process

In the water treatment industry, the precise injection of chemicals is crucial for water quality management. An excess or deficiency of chemicals can lead to reduced treatment efficiency and increased costs. The FX series electric flow control valve allows for fine flow adjustments via a 4-20mA signal, enabling precise control of chemical injection amounts. This contributes to optimal water quality management and cost reduction. 【Application Scenarios】 - Coagulant injection at water purification plants - pH adjuster injection at wastewater treatment facilities - Chemical injection in industrial water treatment 【Benefits of Implementation】 - Cost reduction through optimization of chemical usage - Improved accuracy in water quality management - Realization of a stable water treatment process

In the oil and gas industry, the safety and efficient operation of plants are essential. In particular, the adjustment of crude oil and gas flow rates significantly impacts production efficiency, and accurate control is crucial to reduce the risk of leaks and accidents. Improper flow rate adjustments can lead to plant shutdowns or serious accidents. The FX series enables fine flow adjustments through a 4-20mA signal, contributing to flow control in oil and gas plants. 【Usage Scenarios】 - Adjustment of crude oil and gas flow rates - Control of various fluids within the plant - Control of temperature, pressure, level, and pH 【Benefits of Implementation】 - Fine flow adjustments via 4-20mA signal - Adjustment of opening and closing speed and flow characteristics - Long-term stable operation due to a highly durable drive mechanism

In the power generation industry, stable operation of equipment and efficient energy supply are required. In particular, flow control of cooling water systems is extremely important for temperature management of equipment, and precise flow control without excess or deficiency is essential. If the flow is not properly controlled, it can lead to overheating of the equipment, reduced efficiency, and in the worst case, operational shutdown. Our FX series electric flow control valves enable fine flow adjustment using a 4-20mA signal, achieving optimal temperature management in cooling water systems at power plants. 【Application Scenarios】 - Cooling towers - Heat exchangers - Turbine cooling 【Benefits of Implementation】 - Improved equipment efficiency through optimization of cooling water flow - Realization of stable operation through enhanced temperature management accuracy - Reduction of maintenance costs by lowering the risk of failures

In the steel industry, proper flow rate control of cooling water in the manufacturing process significantly affects product quality and production efficiency. Especially in high-temperature environments, cooling is essential to prevent distortion and quality degradation of steel materials. Inadequate flow rates can lead to quality deterioration due to uneven cooling and potential overload of equipment. The FX series electric flow control valve allows for fine flow rate adjustments using a 4-20mA signal, optimizing the cooling process in steel manufacturing. 【Application Scenarios】 - Cooling process of steel materials - Water volume adjustment for cooling towers - Cooling water control for continuous casting equipment 【Benefits of Implementation】 - Improved product quality through precise control of cooling water flow rate - Cost reduction through energy savings - Stable operation of equipment

In the shipbuilding industry, proper management of ballast water is essential to maintain the stability of vessels. Controlling the flow of ballast water is crucial for adjusting the hull's tilt and draft, ensuring safe navigation. Improper flow control can lead to instability of the hull and deterioration of fuel efficiency. Our electric flow control valve, the 'FX Series', allows for fine flow adjustments using a 4-20mA signal, accurately controlling the flow of ballast water and supporting the safe operation of vessels. 【Usage Scenarios】 - Adjustment of ballast water flow - Control of water intake and drainage in ballast water tanks - Trim adjustment of vessels 【Benefits of Implementation】 - Improved safety through optimized ballast water management - Enhanced fuel efficiency through accurate flow control - Remote operation and automatic control via 4-20mA signal

In agricultural irrigation systems, effective use of water resources and promotion of crop growth are crucial. In particular, water shortages and changes in water quality can directly impact yields. The FX series allows for fine flow adjustments using 4-20mA signals, enabling optimal watering tailored to the type of crop and its growth stage. 【Usage Scenarios】 - Irrigation systems in fields and orchards - Water management in greenhouse cultivation - Water level adjustment in rice paddies 【Benefits of Implementation】 - Optimizes water usage and contributes to water conservation - Promotes crop growth and increases yields - Reduces labor through automation of watering tasks

In the air conditioning industry, improving energy efficiency is a crucial challenge. Particularly in situations where precise adjustments of temperature and flow are required, traditional valves can be difficult to control, leading to unnecessary energy consumption. The FX series electric flow control valve enables fine flow adjustments at 4-20mA, allowing for optimal operation of air conditioning systems and contributing to energy savings. 【Application Scenarios】 - Air conditioning systems in office buildings, commercial facilities, and factories - Various fluid control systems requiring temperature, flow, pressure, level, and pH control 【Benefits of Implementation】 - Reduction in energy costs - Stable operation of air conditioning systems - Achievement of a comfortable indoor environment

In the medical industry, the liquid supply system requires precise flow control, which is directly linked to patient safety and treatment effectiveness. Especially in situations where accurate dosing is required, even slight fluctuations in flow can have significant consequences. The FX series electric flow control valve allows for fine flow adjustments via a 4-20mA signal, enhancing the accuracy of liquid supply. 【Usage Scenarios】 - IV and infusion systems - Administration of chemotherapy drugs - Dialysis fluid supply 【Benefits of Implementation】 - Accurate control of liquid supply - Improved safety for patients - Reduced burden on healthcare professionals