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Diaphragm Pump×エイチツー - List of Manufacturers, Suppliers, Companies and Products

Diaphragm Pump Product List

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Self-priming diaphragm pump "SN Series"

Self-priming diaphragm pump "SN Series"

Air operation and blockage operation OK! This is a transfer pump with a built-in relief valve that can be used for pressure delivery.

The "SN type" is a pump for chemicals that overcomes the weaknesses of conventional handheld pumps. It gently transfers liquids using a multi-diaphragm system, without stirring the liquid like handheld pumps do, and since there are no sliding parts such as mechanical seals, there is no contamination from wear and tear. 【Features】 ○ Can operate dry and under blockage ○ Built-in relief valve ○ Unique multi-diaphragm structure ○ Available in a wide range of options For more details, please contact us or download the catalog.

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[Case Study] High-Temperature Slurry Mixed Viscosity Liquid (Oil)

[Case Study] High-Temperature Slurry Mixed Viscosity Liquid (Oil)

High-temperature fluids + slurries + high viscosity support! Moreover, it's inexpensive!

● The gear pump breaks down quickly, causing trouble We received a consultation from Company J, a major steel manufacturer, stating, "The gear pump breaks down quickly, and we are in trouble." Upon checking the fluid, we found that they were transferring high-temperature (90°C) high-viscosity oil with the gear pump. Additionally, they mentioned that a small amount of slurry (iron powder) inevitably mixes in, leading us to conclude that the slurry was causing the gear pump to fail. We proposed the air diaphragm pump model ADD, and after they used a demo unit, they decided to adopt it. ● High-temperature fluid + slurry + high-viscosity compatibility The features of the diaphragm pump include "self-priming," "pressure delivery," and "capability to transfer slurry and viscous liquids." Our company has further developed technology from heat-resistant pumps to also apply to diaphragm pumps, enabling them to handle high-temperature fluids. There are not many pumps that can meet such harsh conditions. Generally, gear pumps, which are said to be suitable for transferring high-viscosity oils, often struggle with slurry. We received positive evaluations for meeting the conditions while also being cost-effective. Customers experiencing frequent gear pump failures are encouraged to consider this option.

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【Case Study】Micro Injection of Neutralizing Agent

【Case Study】Micro Injection of Neutralizing Agent

Achieving quantitative injection even under severe conditions!

●For the precise injection of small amounts of neutralizing agent (caustic soda). We received an order for a pH automatic neutralization treatment system from Company A, a major glass manufacturer. H2's pH automatic neutralization treatment system is equipped with our own devices, and the quantitative injection pump is also adopted from our company. ●Accurate injection of small amounts below 10 mL/min. The injection of caustic soda required a small amount of injection below 10 mL/min. Additionally, the operation is batch-type, and due to the infrequent nature of the site, responsiveness and recovery in case of air contamination were concerns. H2's quantitative diaphragm pump optimizes the volume change rate of the pump head and the diaphragm shape, achieving both prevention of air lock and quantitative performance, thus enabling precise injection even under severe conditions.

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[Delivery Example] Pumping with Liquid Injection Method

[Delivery Example] Pumping with Liquid Injection Method

Sending "the same amount" of liquid 2 is also cleared!

●Making small-scale sewer pipe work easier We received an inquiry from Company T in the Kanto region, stating, "We want to make the pressure delivery of the chemical solution easier for the chemical injection method aimed at stopping water underground." The chemical solution requires mixing equal amounts of water glass and hardener underground, necessitating corrosion resistance, pressure, and metering capabilities. ●Smaller and lighter than before. Easy to handle! Previously, a large electric diaphragm pump (weighing over 100 kg!) was used, which caused significant difficulties even at simple job sites. However, with H2's air diaphragm pump, it weighs 1/5 of the original, is less than half the size, and can perform the same work as the conventional product. Since it is air-driven by a compressor, it has been rated higher in terms of workability and safety compared to conventional products. The previously concerning "metering capability" was also resolved by adjusting the flow rate at the air input to maintain the same "air supply amount." Mixing the two liquids (in equal amounts) was not an issue either. Cleaning the pump after delivery is also easy, and we received positive feedback in all aspects compared to conventional products.

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[Case Study] Circulation Filtration of Bond Liquid (Manganese Phosphate)

[Case Study] Circulation Filtration of Bond Liquid (Manganese Phosphate)

There are many failures of the bonding liquid circulation filtration pump!

●Failure of the bonding liquid circulation filtration pump There are many failures of air diaphragm pumps - (The item marked with a red circle in the photo is the defective product.) We received a consultation from the maintenance department, and it was noted that the existing pumps from a certain manufacturer had frequent failures, leading to consideration of switching to the H2 model ADD type. The liquid used is bonding liquid (manganese phosphate) which is high temperature and contains slurry. The flow involved drawing from the bonding tank, passing through filtration, and circulating it. After thorough inquiries with the users, it was found that the valves and valve seats were experiencing significant wear due to the slurry. Additionally, considering that SUS (stainless steel) materials tend to have a relatively longer lifespan, we proposed and adopted a specially designed SUS valve seat. ●For those troubled by failures of other companies' pumps The deciding factors for adoption were: 1. The initial cost is overwhelmingly low. 2. The manufacturer’s ability to flexibly respond to special specifications. 3. The option to verify the lifespan of the ball material against the SUS valve seat. 4. Good maintenance characteristics. These four points were evaluated, leading to the adoption. At H2, we provide liquid contact parts arranged for the site as described above.

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[Delivery Example] Transfer of Ad Blue in a Hazardous Area

[Delivery Example] Transfer of Ad Blue in a Hazardous Area

Transporting AdBlue even in explosion-proof areas!

●Transporting AdBlue in Explosive Areas We want to transport AdBlue quickly and reliably. After receiving inquiries from users, we proposed an air diaphragm pump, which was adopted. - We want to transport from a 1000L storage tank (IBC tank) quickly. - We want self-priming capability and to ensure no residual liquid remains. - We want to transport AdBlue gently without stirring the liquid. - We want to use high-pressure air as the power source so it can be used in explosive areas. - We want the installation to the tank to be simple. All of the above requirements were met, and it was adopted. ●For any inquiries regarding AdBlue pumps and equipment, please feel free to consult us. In explosive areas, electric pumps become explosion-proof and expensive. We want to issue receipts as a simple dispenser. Is there a better pump than the handheld type we are currently using? When it comes to transporting AdBlue, if you have specific ideas but no place to consult, please feel free to reach out to H2!

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[Delivery Case] Transport of Fine Ice

[Delivery Case] Transport of Fine Ice

I want to transport it without breaking the ice!

●I want to transport delicate ice without breaking it. We received an inquiry from a device manufacturer in Mie Prefecture asking if it was possible to gently transport fine ice using a DC drive. We proposed using the DC type of H2's electric diaphragm pump and promptly conducted a demonstration. ●The ice remains intact. With the pulsation-free diaphragm pump from major manufacturer T, the ice was damaged, and the cost was also high. Initially, Company N had doubts about using a diaphragm pump, but the results of the demonstration were astonishing. Since Company N's device is designed to produce fine ice, it was absolutely essential that the ice not be damaged during transport. However, with the SS model, we were able to transport the ice without any damage at all. Company N expressed their satisfaction, saying, "Costs have decreased, and we are very pleased with the results."

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[Delivery Example] Recovery (Extraction) of Lithium Bromide Solution

[Delivery Example] Recovery (Extraction) of Lithium Bromide Solution

Lightweight and easy to use! Introducing a case study of a self-priming electric diaphragm pump.

A company specializing in the recovery of LiBr (lithium bromide) used in absorption chillers and heat exchangers in Aichi Prefecture contacted us, stating that they are looking for a pump that can recover lithium bromide solution in a short time. The pump they had been using was an electric double diaphragm pump, which was quite heavy and difficult to handle on-site, so we proposed the "Electric Diaphragm Pump SN Model" and arranged for them to use a demo unit once. They operated the demo unit, including checking the recovery capacity (suction capability) and corrosion resistance (as lithium bromide is a corrosive liquid), and we gathered their feedback. They expressed positive comments such as "It's small, lightweight, and easy to use" and "I was surprised by its power, more than I expected," leading to its adoption on-site. [Case Study] ■ Delivery: A certain company in Aichi Prefecture ■ Application: Extraction of lithium bromide solution from an absorption chiller ■ Model: Electric Diaphragm Pump SN Model *For more details, please refer to the PDF document or feel free to contact us.

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A Book to Read When You Struggle with High Viscosity Transfer

A Book to Read When You Struggle with High Viscosity Transfer

Examples of deliveries of low-cost "air diaphragm pumps" powered by air are featured!

This document contains basic knowledge about fluid transfer that can be helpful when dealing with high-viscosity transfer issues. It introduces information necessary for pump selection, as well as case studies of air diaphragm pump deliveries, starting with knowledge about viscosity. 【Contents (excerpt)】 ■ What is viscosity? ■ Newtonian and non-Newtonian fluids ■ Molecular weight of fluids ■ Gelation ■ Everyday viscous substances ■ Basic knowledge of fluid transfer *For more details, please refer to the PDF document or feel free to contact us.

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9 Ideas for Cost Reduction Achievable through Pump Replacement and Delivery

9 Ideas for Cost Reduction Achievable through Pump Replacement and Delivery

Free materials showcasing nine case studies of cost reduction, including actual results of approximately 1.5 million yen (annual) in savings!

The "9 Ideas for Cost Reduction" provided by H2 introduces the amounts saved after delivery and on-site examples related to heat-resistant submersible pumps and filtration recovery, accompanied by photographs. (A total of 9 cases) It includes examples such as the delivery of "air diaphragm pumps" for cleaning coolant tanks and the systematization of previously manual chemical mixing operations. The amounts saved are based on reference values and averages obtained from customer interviews. [Items Featured] ■ Submersible pumps that were replaced every 3 months switched to JCV ■ Raw material transfer was pumped up to allow operation by women ■ Filters that were used 50 times a month switched to edge wire ■ Gear pumps that were replaced every 4 months switched to ADD ■ Eliminating labor costs associated with cleaning operations by introducing filtration equipment... and more, a total of 9 cases For details on how much cost reduction was achieved, please refer to the actual amounts in the materials. *For more information, please refer to the PDF document or feel free to contact us.

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【Case Study】Recovery of Sludge from Coolant Tank

【Case Study】Recovery of Sludge from Coolant Tank

Collecting waste oil like a vacuum cleaner! Designed with a cart for easier operation, considering the maneuverability for the workers.

At the factory you requested, coolant sludge was collected and cleaned approximately once a quarter using a vacuum truck, but the quality degradation caused by the sludge before the vacuum truck arrived was a problem. Therefore, you consulted about whether there was a simple pump that could be used for collection, and we proposed the air diaphragm ADD type (cart specification). This product is convenient when you want to operate coolant sludge from various locations within the factory with a single pump. The cart itself can hold a drum, and it is equipped with an air three-point set, hose fittings, etc., considering the ease of handling for the operators. [Case Study] - Delivery: Aichi Prefecture automotive parts manufacturer - Application: Cleaning of coolant tanks - Model: ADD-15-PP-DS (cart specification) *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study] Separation and Recovery of Floating Oil from Bonding Liquid

[Case Study] Separation and Recovery of Floating Oil from Bonding Liquid

The material is custom-made with all SUS specifications! The float that floats in the bond tank is also all SUS.

We received an inquiry from a major surface treatment factory asking if it is possible to recover and separate the oil and sludge floating in high-temperature bonding liquid. They mentioned that there is a simple device already in place, but they are dissatisfied with the recovery efficiency, so they are considering an upgrade. To enable recovery and separation in high-temperature bonding liquid, we decided to custom-manufacture our ADB model in all stainless steel (SUS) specifications. The float to be placed in the bonding tank is also made entirely of stainless steel. We selected the ADD model air diaphragm pump in stainless steel specifications. [Case Study] ■ Delivery: Major surface treatment factory ■ Application: Separation and recovery of floating oil in bonding liquid ■ Model: ADB-15-SS (SUS specification) *For more details, please refer to the PDF document or feel free to contact us.

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[Delivery Example] Transfer of 10,000 mPa·s high-viscosity paint

[Delivery Example] Transfer of 10,000 mPa·s high-viscosity paint

It is possible to transport high-viscosity slurry liquids! Here are examples of air diaphragm pump deliveries.

A major paint manufacturer consulted us about wanting to transfer high-viscosity liquid from a stirring tank. Based on the conditions of "high-viscosity paint with a viscosity of about 10,000 CP," "a horizontal draw of 3 meters from the tank is required," and "transfer to the production machine after self-priming," we proposed the ADD type air diaphragm pump. After delivery to the user, we received a call saying it "doesn't suck." Upon discussing the situation, we found that the conditions for the liquid, air supply, and installation were all fine, and we were puzzled as to why it wasn't working. However, from the installation photos provided by the customer, it became clear that the suction inlet diameter was restricted. The pump diameter is 15A, but it was narrowed down to 9A. When we requested the use of a hose with an inner diameter of φ15, it began to self-prime without any issues, and we received words of gratitude. [Case Study] ■ Delivery: Paint Manufacturer ■ Application: Horizontal transfer and pumping of high-viscosity paint ■ Model: ADD-15-SS (Air Diaphragm Pump) *For more details, please refer to the PDF document or feel free to contact us.

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【Delivery Example】Cart Unit with Compressor

【Delivery Example】Cart Unit with Compressor

Introducing a case study of delivering urea water in large volumes over a distance of 30 meters using an air diaphragm pump!

We received an inquiry from a major chemical plant regarding the desire to transfer urea water from the ground to a ship at a port where the ship docks. The specifications requested were: "transfer rate of 200L/min," "self-priming and resistant to dry running," "lifting height of 30m," and "to be portable, with the compressor mounted on a cart." In response, we delivered the air diaphragm pump "ADD-40-PP." Since long-distance transfer via hose was anticipated, we also included a pulsation dampener in the unit. We selected a compressor tailored to the customer's specifications and delivered it as a complete unit. [Case Study] ■ Delivery: A certain chemical plant ■ Application: Transfer of urea water from the port to the ship ■ Model: ADD-40-PP (Air Diaphragm Pump) + Compressor Unit *For more details, please refer to the PDF document or feel free to contact us.

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Tank and Container Specific Pump Transfer Application Collection

Tank and Container Specific Pump Transfer Application Collection

Introducing a variety of transfers from poly cans and one-gallon cans! Each comes with its own advantages and disadvantages.

This document introduces pump transfer applications categorized by tank and container types. It includes "poly cans" suitable for transfer from hand pumps, electric diaphragm pumps, and air diaphragm pumps, as well as "one-gallon cans" that often contain high-viscosity fluids such as adhesive raw materials, paints, and oils. Please take a moment to read it. 【Contents (excerpt)】 ■ Poly cans ■ One-gallon cans ■ Pail cans ■ Drum cans ■ IBC tanks *For more details, please refer to the PDF document or feel free to contact us.

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