valve - メーカー・企業42社の製品一覧とランキング

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valveのメーカー・企業ランキング

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  1. 水研 Shiga//Building materials, supplies and fixtures manufacturers
  2. 橋本産業 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 日本ダイヤバルブ 本社　業務・開発部 Tokyo//others
  4. 4 サンエイテック Chiba//others
  5. 5 明和工業 Niigata//Water supply and drainage construction business
企業ランキングへ

valveの製品ランキング

更新日： 集計期間:Sep 24, 2025～Oct 21, 2025
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  1. 50mm Dedicated Continuous Water Valve 'Sgate MN (Mini)' 水研
  2. Agricultural Air Valve / Smart Air Valve 明和工業
  3. Installation of continuous water valves is possible in confined spaces - 'EM Continuous Water Valve Method' 水研
  4. 4 Continuous Water Valve for Polyethylene Pipes "KATANA Valve" 水研
  5. 5 Connecting Valve "VP717" 橋本産業

valveの製品一覧

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Valve FAQ Frequently Asked Questions [Diaphragm Valve Edition]

Valve FAQ Frequently Asked Questions [Diaphragm Valve Edition]

Diaphragm Valve Edition! We will answer frequently asked questions about valves!

This document summarizes frequently asked questions about diaphragm valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than diaphragm valves, please feel free to contact us. 【Contents (Q&A)】 ■ What is the history of diaphragm valves? ■ Please explain the structure of diaphragm valves. ■ What are the characteristics of diaphragm valves? ■ How should I select the combination of the body and diaphragm? ■ What is the durability and service life of the diaphragm? *For more details, please refer to the PDF document or feel free to contact us.

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NDV【Bio-Clean Diaphragm Valve】Standard Specifications

NDV【Bio-Clean Diaphragm Valve】Standard Specifications

We offer stainless steel bodies and lined bodies for the valve specifications!

This product is an optimal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The valve body specifications are available in "stainless steel body" and "lined body." The diaphragm is made of New PTFE on the wetted side, with a cushion rubber specification of EPDM (or EPDM + a). 【List of stainless steel body manufacturing (excerpt)】 <Stainless steel forged products> ■ Main material: SUS316L ■ Material code number: 14 ■ Ferrule (nominal diameter [DN]): 8 to 100 *For more details, please refer to the catalog (P10-11) or feel free to contact us. (English and Chinese versions are available upon request!)

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NDV Bio-Clean Diaphragm Valve [Manual Operation Valve]

NDV Bio-Clean Diaphragm Valve [Manual Operation Valve]

We offer various handle specifications! We can accommodate requests such as quick open and close types, those with lock nuts, and those with opening degree indicators.

This product is an optimal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The handle specifications include the stainless steel handle type "B400N," the aluminum handle type "BC400 (B400NB)," and optionally, the quick-opening and closing handle type "BQL400NB (BQL400N)." Additionally, we can accommodate requests such as lock nuts and opening degree indicators, so please feel free to consult us. 【Features】 ■ B400N - High cleanliness and durability of the outer surface ■ BC400 (B400NB) - Lightweight and focused on cost benefits *For more details, please refer to the catalog (P12) or the leaflet, or feel free to contact us. (English and Chinese versions are available upon request!)

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Bio-clean diaphragm valve [Air-operated / Stainless steel type]

Bio-clean diaphragm valve [Air-operated / Stainless steel type]

Prevent the generation of foreign substances due to coating peeling! Air-operated ON-OFF valve made of stainless steel with excellent corrosion resistance. Compact and buff-polished for excellent cleanability.

This product is an ideal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The air-operated ON-OFF valve is available in the stainless steel drive model 'BPO1400N type 05S to 16S'. Since painting is not required, it prevents the generation of foreign substances due to the peeling of the coating, and a retaining ring method is used to secure the bonnet and cylinder. With minimal unevenness and compact buff polishing, it excels in cleanability. 【Features】 ■ Made of all stainless steel with excellent corrosion resistance ■ Exterior shape with superior cleanability ■ Significant improvement in smooth operation and durability *For more details, please refer to the catalog (P15-16) or feel free to contact us. (English and Chinese versions are available upon request!)

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Valve type F with enhanced liquid pooling prevention effect - self-draining type.

Valve type F with enhanced liquid pooling prevention effect - self-draining type.

An evolved version of the bio-clean diaphragm valve. The structure eliminates liquid pooling by positioning the valve shaft horizontally. A solution for dead space!

The self-draining type is a valve body that further enhances the liquid retention prevention effect of the Bio-Clean diaphragm valve series. When this valve is installed on horizontal piping, it is designed to eliminate liquid retention by positioning the valve shaft horizontally. 【Specifications (excerpt)】 ■ Stainless steel body (Applicable nominal diameter (DN): 8 to 100) ■ Lined body (Applicable nominal diameter (DN): 15 to 50) ■ The surface finish classification of the body and diaphragm specifications conform to standard specifications. ■ Various drive components for manual operation valves and air-operated ON-OFF valves can be used interchangeably. *For more details, please refer to the PDF materials or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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Easy and reliable cleaning and sterilization! Dead space countermeasure - Tank bottom valve T-shape.

Easy and reliable cleaning and sterilization! Dead space countermeasure - Tank bottom valve T-shape.

Tanks from approximately 10L to 10,000L are acceptable! The opening and closing is done solely by the diaphragm, allowing for smooth discharge of the tank contents with almost no residue left.

【Features】 ● The structure is directly welded to the bottom of the tank, providing excellent stirring efficiency. ● There are no contact parts such as gland packing, stem, seat, or gasket; the opening and closing are done solely by the diaphragm, allowing for smooth discharge of the tank contents with minimal residue. Contamination caused by valve components is extremely low, and cleaning and sterilization can be easily and reliably performed. ● The applicable nominal diameters range from DN15 to 100 (4S), making it suitable for use with small containers of about 10 liters to medium tanks of about 10,000 liters. 【Specifications (Excerpt)】 ● Main body material: SUS316L ● Applicable nominal diameter (DN): 15 to 100 ● Operation method: Manual operation and air-operated methods are both applicable. * For more details, please refer to the PDF materials or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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Diaphragm valve (Type 400 / Type 500)

Diaphragm valve (Type 400 / Type 500)

A structure that opens and closes the flow path with a flexible diaphragm! We will introduce two types of valve designs.

The product consists of three units: the drive part, diaphragm, and main body. It controls the fluid by pressing the diaphragm against the sealing part of the inner surface of the main body and then releasing it. The wear-type "Model 400" maintains airtightness by ensuring that the diaphragm and the main body's dam are in close contact without gaps, demonstrating high valve seat sealing performance. The materials for the main body and diaphragm are diverse, allowing compatibility with a wide range of fluids. Additionally, the straight-type "Model 500" features a flow path that is nearly linear, resulting in a structure with minimal pressure loss and liquid pooling, making it suitable for fluids containing viscous fluids, fibrous fluids, slurries, sludge, and suspended solids. 【Features】 ■ No leakage to the outside and no contamination of the fluid from outside air ■ Zero valve seat leakage ■ Simple main body shape suitable for lining processing ■ Minimizes liquid pooling and possesses self-cleaning properties ■ Adopts a three-unit system, making disassembly and assembly easy *For more details, please refer to the PDF materials or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special site below.)

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Bio-clean diaphragm valve with clamp connection, corrosion-resistant valve.

Bio-clean diaphragm valve with clamp connection, corrosion-resistant valve.

Many delivery achievements for pharmaceutical and food plants, as well as high-purity chemical solutions! It can completely block corrosive fluids.

At Nippon Diavalve, we handle "corrosion-resistant valves with clamp connections" made of a body lined with fluororesin (ETFE). These valves are suitable for addressing corrosive fluids in sanitary piping, preventing crevice corrosion caused by chloride ions, and mitigating the leaching of metal ions. With the diaphragm valve's characteristics of "air-tightness" and "corrosion resistance," they can completely shut off corrosive fluids. We have a wealth of experience in pharmaceutical and food plants, as well as in high-purity chemical lines. 【Features】 ■ Body Material: SUS316L ■ Lining Material: ETFE ■ Connection Method: Clamp Joint (ISO2852) ■ Applicable Nominal Diameter: 25A to 65A (1S to 2.5S) *For more details, please refer to the PDF materials or feel free to contact us. (Catalogs in English and Chinese can be downloaded from the catalog page of the special website below.)

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Cast iron butterfly valve "C201R type"

Cast iron butterfly valve "C201R type"

High sealing performance achieved with a heart-shaped self-seal! Introducing a long-lasting cast iron butterfly valve.

The "C201R type" features a double eccentric (double off-center) design for the disk's drive axis, and since the disk and seat remain in non-contact until just before fully closed, it is a cast iron butterfly valve with minimal seat wear and a long lifespan. The seat is designed with a centering feature on the contact surface, creating a self-sealing mechanism that generates contact pressure on the disk's sealing surface due to fluid pressure, allowing for efficient sealing from vacuum to high pressure. Additionally, during maintenance, the seat can be easily replaced by simply removing the seat cover. 【Features】 ■ Long lifespan due to double off-center mechanism ■ High sealing performance with centering self-seal ■ Easy maintenance *For more details, please refer to the catalog (P11-P17) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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Bio-clean diaphragm valve [Air-operated/Standard type]

Bio-clean diaphragm valve [Air-operated/Standard type]

Achieves significant weight reduction and compactness! A standard type air-operated ON-OFF valve with greatly improved durability. Prevents excessive load with a stopper nut.

This product is a valve developed for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The air-operated ON-OFF valve is available in the standard type 'BPO1400NB(N)'. By adopting a wear ring on the outer circumference of the piston, the operation becomes smooth, significantly improving durability, and the use of a stopper nut prevents excessive load on the diaphragm. 【Features】 ■ Achieves significant weight reduction and compactness ■ Substantial improvement in smooth operation and durability ■ Excellent external shape for cleanability ■ Uses environmentally friendly paint *For more details, please refer to the catalog (P13-14) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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Y-shaped 3-way ball valve

Y-shaped 3-way ball valve

Each seal part uses an O-ring! The sealing performance is stable, and regular re-tightening is not necessary.

This product is a Y-shaped three-way ball valve with a wide angle of 135°, allowing the passage of pigs or spheres for pipe cleaning, compared to the standard 90° bend of regular three-way ball valves. There are two types of flanges: straight and 22.5° bend, and by combining these two types of flanges at any three locations, various patterns can be selected. Additionally, special reinforced PTFE bearings are installed on the upper and lower shaft parts of the ball, preventing seizing and withstanding high-frequency operations. 【Features】 ■ Wide-angle body shape ■ Freely selectable mounting positions ■ Ball ■ Primary side sealing mechanism ■ O-ring seal ■ Stable bearing function *For more details, please download the PDF or feel free to contact us.

  • Parts and Materials

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Butterfly Valve "NS Butter with Filling Function"

Butterfly Valve "NS Butter with Filling Function"

A unique valve body enables smooth initial water flow! Water supply butterfly valve with filling function.

The "NS Butterfly Valve with Water Filling Function" is a water supply butterfly valve that incorporates a water filling function valve body to improve the workability of initial water filling in the seismic-resistant NS butterfly valve. It excels in control at small openings, allowing for safe water filling operations. The newly developed rubber valve seat structure demonstrates excellent sealing performance. The rubber valve seat can also be replaced. Additionally, the valve body structure has been modified to include a water filling function while maintaining the operability of the center cap type NS butterfly valve. The operating torque during water filling is low, making opening and closing operations easy. 【Features】 ■ Water filling function ■ Excellent sealing performance ■ Replaceable rubber valve seat ■ Easy opening and closing operations ■ Simple structure that reduces costs ■ Water filling function scale adopted in the opening degree gauge *For more details, please refer to the PDF document or feel free to contact us.

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Versatile leveling valve (height adjustment valve)

Versatile leveling valve (height adjustment valve)

Automatically manages the intake and exhaust of air springs to maintain a constant spring height! It can be installed in small spaces and can be configured to meet specific needs!

We would like to introduce our "Leveling Valve." The "Leveling Valve" is a valve that automatically controls the supply, retention, and exhaust of air through mechanical means to maintain the air spring at a constant height. It is used in tourist buses and trucks with air suspension, and has also been adopted for commercial washing machines, marine containers, and seismic isolation floors. It can be adjusted to meet various requirements and is equipped with technology that can respond immediately to customer needs! 【Features of the Leveling Valve】 ■ Maintains vehicle height at a constant level ■ Used in tourist buses and trucks with air suspension ■ Facilitates easy adjustment of the platform height of the cargo bed ■ Also adopted for commercial washing machines, marine containers, and seismic/earthquake-resistant/construction applications beyond vehicle use. ■ Can also be repurposed for equipment and factory/residential use! *For more details, please refer to the PDF document or feel free to contact us.

  • container

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Leveling valve

Leveling valve

The air pressure range is Max 850kPa (withstanding pressure 2MPa)! Lineup includes "Type I," "Type II," and "Type III."

The "Leveling Valve" is produced for commercial vehicles (trucks and buses) and is a low-cost product. The internal air throttle diameter can be selected from φ0.8 to φ2.5. Additionally, we offer "Type II" with an electromagnetic valve for hunting prevention, and "Type III" with a cylinder for kneeling. 【Features】 ■ Produced for commercial vehicles (trucks and buses) and is low-cost ■ Internal air throttle diameter can be selected from φ0.8 to φ2.5 ■ Air supply/exhaust to the air spring can be stopped at any timing (Type II) ■ By preparing a separate electromagnetic valve, the height of the air spring can be changed in two stages (Type III) *For more details, please refer to the PDF document or feel free to contact us.

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Pressure compensation remote control valve

Pressure compensation remote control valve

No speed difference between heavy and light objects! You can operate the crane with the same feel every time.

The "Pressure Compensation Remote Control Valve" is a hydraulic switching valve that allows operation unaffected by load fluctuations. It enables pressure control according to the load using a load-sensing relief valve. This prevents unnecessary high pressure, reducing leakage in various parts, suppressing heat generation, and lowering pump load. 【Features】 ■ Operation unaffected by load fluctuations ■ Reduced leakage in various parts ■ Suppression of heat generation ■ Reduced pump load *For more details, please refer to the PDF document or feel free to contact us.

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