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non-return valve(50a) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
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non-return valve Product List

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Swing Check Valve MSC40/50 / PVC Non-Return Valve

Swing Check Valve MSC40/50 / PVC Non-Return Valve

This is a check valve used for the discharge pump of a purification tank to prevent backflow. It comes with a union for easy removal of the pump. The body is made of PVC.

- Connection diameter: Compatible with 40A/50A types Connection is easy by simply gluing PVC pipe VP40 to the sockets on both sides. If connecting PVC pipe VP50, you can use a TS socket 50A (sold separately) glued to the receiving end. * There is also a connection diameter: 30A type available (for PVC pipe VP30). - Structure with a union for easy pump removal The main body has a flexible union, allowing for easy removal by loosening the bag nut. - Compact design The main body is compactly designed, making it possible to install in narrow piping spaces. - The main body is made of polyvinyl chloride (PVC) Being made of resin, there is no concern about rust. Additionally, due to being made of PVC, it also has excellent chemical resistance.

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Check Valve "C Series"

Check Valve "C Series"

A flexible, custom-molded blowout prevention sheet structure!

The "C Series" is a valve designed to control the flow of liquids and gases in a single direction for industries such as chemical processing, oil and gas production and transportation, pharmaceuticals, pulp and paper, and power generation. It features a resilient, custom-molded blowout prevention sheet structure, with a back-stop poppet that suppresses spring stress. Additionally, it has been 100% tested for cracking/re-sealing performance and includes heat code traceability. 【Features】 ■ Resilient, custom-molded blowout prevention sheet structure ■ Back-stop poppet suppresses spring stress ■ 100% tested for cracking/re-sealing performance ■ Cracking pressure options of 1/3, 1, 5, 10, 25, 50, 75, and 100 psig ■ Heat code traceability *For more details, please refer to the catalog or feel free to contact us.

  • Other Machine Parts

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Proterial Malebur Valve General Purpose 10K Check Valve Flanged Type

Proterial Malebur Valve General Purpose 10K Check Valve Flanged Type

With Proterial's Malebul Valve, it's the exclusive wholesale and purchasing site for plant piping equipment and residential equipment for business operators, "Plant Navi"!

Introducing our "Proterial Mareburu Valve General Purpose 10K Check Valve Flanged Type." 【Features】 Shape: Straight Fluid Used: Water, Air, Oil, Steam, Gas Material (Valve Body): FCD-S Connection Method: Flange Nominal Pressure: 10K Type: Lift Type Material (Seat): 13Cr.S.S. Operating Temperature Range (°C): -10 to 220 Operating Oil: Heavy Oil (A, B, C), Lubricating Oil, Turbine Oil (above #90), Coal Tar, Pitch Type: Check Valve Maximum Operating Pressure (MPa): 0 to 1.37 Valve Check Valve: (Lift Type) 【Model Numbers】 HM10K-FCD10 HM10K-FCD15 HM10K-FCD20 HM10K-FCD25 HM10K-FCD32 HM10K-FCD40 HM10K-FCD50 *Currently available for purchase on "Plant Navi," a wholesale and procurement site exclusively for business operators in plant piping equipment and residential facilities operated by Hasegawa Equipment Co., Ltd.

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RSK type wafer-style check valve

RSK type wafer-style check valve

Plastic swing check valve

The RSK-type swing check valve is a wafer type that is installed between flanges. It has a small face-to-face dimension and is lighter than metal types, making the piping compact and easy.

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ZRSK type wafer-style check valve

ZRSK type wafer-style check valve

Metal swing chuck valve

The ZRSK type swing check valve is a wafer type that is installed between flanges. Due to its small face-to-face dimension, the piping space becomes compact.

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Measures for prolonging the lifespan of swing check valves! LT type swing check valve

Measures for prolonging the lifespan of swing check valves! LT type swing check valve

Recommended for extending the lifespan of check valves installed near pump discharge outlets! This is a wear-resistant swing check valve.

We have heard many cases from customers regarding swing check valves installed near pump discharge outlets that have extremely short lifespans due to wear. In response, our company has independently developed this product, which achieves a longer lifespan through a structure that differs from conventional JIS standard products. If you are experiencing symptoms such as the valve body falling off despite not being used for a long time, or severe wear due to flowing corrosive fluids like seawater, please feel free to consult us.

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Check valve, mixing valve, strainer Group RSG

Check valve, mixing valve, strainer Group RSG

A group of advanced fluid valves that are standardly adopted by major German equipment manufacturers.

【Features】 ○ Y-type check valve suitable for medium pressure range ○ Strainer suitable for medium pressure range ○ Wide variety of options ○ Ideal for food machinery ○ Selection of brass and SUS materials available 【Specifications】 Type: Check valve Orifice: 15–50A Diameter: G1/2–50A Fluid: Non-corrosive gases and liquids Operating pressure: 0–4 MPa Cv value: 5–56 Power consumption: 6–15W Body material: Brass and SUS materials ◎ For more details, please contact us or refer to the catalog.

  • Special Processing Machinery

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[Delivery Example] Special Response for Dual Plate Check Valve

[Delivery Example] Special Response for Dual Plate Check Valve

Our skilled team of engineers will carefully manufacture check valves tailored to your specifications, considering the material, size, shape, valve box, and strength of the valve body.

Introduction of special cases for dual plate check valves. A check valve (non-return valve) is a valve installed downstream of pressure-generating devices such as pumps to prevent backflow. The valve body opens due to fluid pressure or flow rate, and closes due to a decrease in pressure or flow rate, preventing backflow through spring torque. [Contents (excerpt)] ■ Maximum nominal diameter 1350A Delivered a stainless steel valve with a nominal diameter of 1350A to a seawater desalination plant in the Middle East. * It is also possible to manufacture valves with a nominal diameter of 1350A or larger. Please contact us for details. ■ Maximum nominal pressure 620K (design pressure 63MPa) special flange Designed and delivered products in accordance with the flange standards specified by a domestic steel company from scratch. Additionally, bolts, nuts, and flanges were also designed, manufactured, and delivered by our company. * For more details, please refer to the PDF document or feel free to contact us.

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