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  6. Small 2.5mm check valve (non-return valve) relief valve (safety valve)

Small 2.5mm check valve (non-return valve) relief valve (safety valve)

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The Lee Company / Japan General Agency: Jupiter Corporation Co., Ltd.

last updated:Apr 30, 2026

JUPITOR CORPORATION
JUPITOR CORPORATION
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This is a fluid control device that can be installed in a flow path of the world's smallest class. We have prepared explanations of introduction effect examples and more!

【Function Lineup】 Check Valve (Non-return Valve) · Relief Valve (Safety Valve) · Orifice (Precision Restriction) · Screen (Strainer/Filter) · Solenoid Valve · Other Special Valves 【Product Points】 As long as the hole requirements are met, it can be easily installed anywhere! It can be used in various parts depending on your ideas, including metal and plastic manifolds, urethane tubes, fittings, lure fittings, housing walls, sheet materials, and inside bolts. *We will explain the case studies of the introduction effects! *A dedicated sales engineer will guide you.

    Pneumatic Equipment
IMH

Small 2.5mm check valve (non-return valve) relief valve (safety valve)

IMH Valve.png
IMH Valve.png IMH流路.png IMG_3048-3.jpg imh_catalogue_2009.jpg IMH Sample3.jpg EOrifice.jpg Lee社性能実現性イメージ.png fitting02.jpg fitting01.jpg
  • Official HP: The Lee Company
  • Special site - Product/service details - https://pr.mono.ipros.com/jupitor/product/

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basic information

【Size Lineup】【Standard Products】 2.5mm Check & Relief Valve, Orifice, Coin-Type Filter: 【One of the smallest in the world】 5.5mm Check & Relief Valve, Orifice, Coin-Type Filter: 【Most reasonably priced】 8.0mm Check & Relief Valve, Orifice, Coin-Type Filter: 【When flow is insufficient with 5.5mm】 *Additionally, semi-custom (changing only materials or opening pressure, etc.) or full custom (when specific flow or special functions are needed) options are available based on requirements. *Made of all stainless steel.

Price information

【Price Range Estimate】 * Approximately a few hundred yen to several thousand yen * Varies depending on the model and quantity purchased. * Custom products may have significantly different prices based on the required specifications. 【Delivery Time Estimate】 * If there is stock in the United States, delivery can be made by the week after next from the time of order. * Other factors, such as import conditions, may also affect this.

Price range

P1

Delivery Time

Please contact us for details

※If there is stock in the United States, delivery can be made by the week after next from the time of your order.

Applications/Examples of results

**Features of Impact Type Fluid Control Devices** - Usable with various fluids, including gases. - Material considerations can be made based on the fluid used. - Proposals can be made in accordance with requirements, including flow rate and leakage. **Purpose** Micro flow control, precise fluid mixing, fluid backflow prevention, gas venting, air venting, pulsation reduction, rectification effects, etc. **Implementation Examples** *Ideas for Use* - Installed within various tubes. - Installed inside fittings (joints). - Installed within screws, bolts, etc. - Installed on chamber walls, housing bodies, plates, etc. *Additionally, a dedicated sales engineer will support you with usage methods, ideas for use, and examples of implementation effects.*

catalog(4)

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The Lee Company Ultra-Compact Check Valve Φ2.5mm, 5.5mm, 8.0mm for Resin

The Lee Company Ultra-Compact Check Valve Φ2.5mm, 5.5mm, 8.0mm for Resin

PRODUCT
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[Made in the USA] Small Safety Screen (Filter) for Resin Mounting

[Made in the USA] Small Safety Screen (Filter) for Resin Mounting

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The Lee Company fluid control devices for general industry

The Lee Company fluid control devices for general industry

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Orifice for Lee industrial equipment

Orifice for Lee industrial equipment

PRODUCT
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Company information

JUPITOR

JUPITOR CORPORATION

Trading company/Wholesale

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Our company is a "manufacturer trading company that combines a trading division with design, manufacturing, and maintenance divisions to create products and value." By introducing cutting-edge overseas technologies and products and integrating them with domestic technologies, we aim to shape them to meet our customers' needs, thereby contributing to the development of our country's industry. We primarily import and sell excellent products that have been proven in overseas markets, focusing on aerospace, defense, maritime, and railway sectors. The Lee Company, a fluid equipment manufacturer based in the United States, has been supplying reliable products worldwide for over 70 years in aerospace hydraulic equipment, medical devices, and general industrial equipment, specializing in small fluid control components. Leveraging its extensive experience, Lee develops, manufactures, and sells high-quality, high-performance, and long-lasting products with advanced technological capabilities. Jupiter Corporation has had a dealership agreement with Lee for over 40 years and possesses deep experience and numerous achievements in the domestic market. Additionally, we also handle products from Leach and Glenair, manufacturers related to electronic and electrical equipment, specifically in relays and connectors. We provide not only sales but also technical support.

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