大東工業 List of Products and Services

The "HP type/KH type" is a gear pump capable of high pressure and long continuous operation. It can be equipped with a combination of materials for corrosion and wear resistance, as well as features such as jackets and built-in safety valves. There is a wide variety of shaft seals available, including gland packing type, oil seal type, mechanical seal type, and our original double bellows mechanical seal type. Additionally, there are numerous achievements with various oils, as well as chemical liquids, solvents, paints, and high-viscosity liquids. 【Features】 <HP type HP-M type/KH type KH-M type> ■ Utilizes self-lubricating pressed metal ■ The liquid-contact and sliding parts can be combined in terms of structure and materials to withstand various operating conditions ■ Can be driven either directly by a motor or by a V-belt ■ Has a very wide range of applications as a transport pump even under harsh operating conditions *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

The "HSR-S type" is a specialized gear pump for kerosene and A heavy oil, improved with a two-stage oil seal system that has a bearing in the middle for the shaft seal of the HSR type gear pump. It can be used for a lift height of up to 60m, making it ideal for transferring fuel for central heating and for spraying in low-pressure oil burners. It is also possible to use O-rings and oil seals made of Viton. 【Features】 ■ Two-stage oil seal system ■ Specialized pump for kerosene and A heavy oil ■ Usable lift height of up to 60m *For more details, please refer to the catalog or feel free to contact us.

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The "HSR type" is a high-performance general-purpose gear pump equipped with a safety valve, suitable for use with both V-belt drive and direct coupling drive. It is designed and manufactured to withstand harsh operating conditions, allowing for continuous operation, and can be used for forced lubrication of various equipment, hydraulic applications, and heavy oil spraying and combustion. Additionally, in low-pressure situations, it is also suitable for the circulation transport of various non-lubricating paints, water-soluble cutting oils, lacquers, and more. 【Features】 ■ Suitable for circulation transport in low-pressure situations ■ Equipped with a built-in safety valve ■ High performance ■ Capable of continuous operation *For more details, please refer to the catalog or feel free to contact us.

• others

The "KB type" is a general-purpose gear pump driven by a V-belt and operated at low speeds. It can transport any non-corrosive liquid. It demonstrates its true value in handling high-viscosity liquids such as oils in general, heavy fuel oil, varnish, paint, and molasses. 【Features】 ■ General-purpose gear pump ■ Capable of transporting any non-corrosive liquid ■ Suitable for high-viscosity liquids *For more details, please refer to the catalog or feel free to contact us.

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The "CSB type" is a series of gear pumps designed as a general-purpose all-stainless steel pump. It is specifically designed for low-speed operation (such as V-belt or geared motor drive), allowing for a compact, lightweight, and high-capacity solution. The structure is extremely simple, making disassembly and cleaning easy. 【Features】 ■ All stainless steel ■ Designed for low-speed operation ■ Compact ■ Lightweight ■ Easy disassembly and cleaning *For more details, please refer to the catalog or feel free to contact us.

• others

The "VSR type" is a gear pump designed for direct connection to a 4-pole motor for the transport of low-viscosity lubricating oil, streamlining the design while achieving lightweight and compact dimensions. The basic components are based on the KSR type, making maintenance easy and the operating noise very quiet. By adopting this product, significant cost reductions can be achieved in conjunction with the miniaturization of the motor. 【Features】 ■ Lightweight ■ Compact ■ Significant cost reduction possible ■ Easy maintenance ■ High quietness *For more details, please refer to the catalog or feel free to contact us.

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The "HPR type" is a gear pump designed and manufactured considering all conditions for high-pressure heavy oil injection pumps for medium and small boilers. It maintains sufficient strength and durability to withstand long hours of continuous operation, and it is structured as simply as possible, fully serving its function as the heart of the boiler. The HPR type gear pump can also be used for low-pressure hydraulic applications, as well as for kerosene and A heavy oil injection pumps. 【Features】 ■ For medium and small boilers ■ Capable of long hours of continuous operation ■ Functions as the heart of the boiler *For more details, please refer to the catalog or feel free to contact us.

• others

The "OH-MG type" is a gear pump based on the OH-G type gear pump, featuring a mechanical seal for the shaft seal. It is used when transporting non-lubricating fluids, where the wetted parts must be made of the same material and leakage is absolutely not permitted, or when the ingress of air into the liquid is not allowed. Additionally, we also manufacture pump casings with jackets. 【Features】 ■ Shaft seal is a mechanical seal ■ External bearing type, versatile high-performance model ■ Capable of high-pressure transfer of non-lubricating liquids, as well as abrasive and corrosive liquids *For more details, please refer to the catalog or feel free to contact us.

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The "OH(B)-jG type and OH(B)-JjG type" are gear pumps based on the OH-G type gear pump, equipped with jackets that allow for heating or water cooling on the outer circumference of the stuffing box, making them suitable for transporting high-temperature liquids. To prevent the alteration of the liquid at the gland section and to cool the bearings, water cooling is used; conversely, heating is employed to prevent the liquid from sticking at the gland. The OH-jG type and OH-JjG type feature casings with jackets to transport high-melting-point liquids in a dissolved state, and they are also equipped with jackets on the outer circumference of the stuffing box. 【Features】 ■ Optimal for transporting high-temperature liquids ■ Equipped with jackets for heating and cooling ■ Capable of transporting high-melting-point liquids in a dissolved state *For more details, please refer to the catalog or feel free to contact us.

• others

The "OH-G (OHB-G) type" is a gear pump designed and manufactured for the purpose of transporting liquids containing wear elements such as non-lubricating liquids and solids at high pressure. It can transport any type of fluid without being constrained by bearing material, allowing for the free selection of materials for the wetted parts, making it easy to manufacture pumps with high corrosion and wear resistance. It has a wide range of applications as a pump for various liquids that are difficult to handle with conventional gear pumps. 【Features】 ■ Basic model of high-performance type ■ Capable of transporting any fluid ■ Can withstand harsh operating conditions ■ Free selection of wetted part materials ■ Usable for a wide range of applications *For more details, please refer to the catalog or feel free to contact us.

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The seal-less gear pump from Daito Industry is capable of handling a variety of suction conditions and specified flow rates. It can transfer fluids from low to high viscosity, and due to its metering capability, flow control is easy through rotational control. Additionally, it can transfer high-temperature fluids up to 180°C. We offer a lineup ranging from a minimum of approximately 0.1 L/min to a maximum of approximately 300 L/min. Please consult us for specifications involving smaller quantities or larger capacities. 【Features】 ■ Capable of handling a variety of suction conditions ■ Capable of accommodating various specified flow rates ■ Can be manufactured in a variety of metal materials ■ The pump suction side can achieve a suction lift of -9.5 mm ■ Suction conditions and pressure can reach up to 4 MPa *For more details, please refer to the catalog or feel free to contact us.

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● HSR-S Type <<3/8 to 1-1/2B>> This is a gear pump for kerosene, heavy oil, and various lubricating oils, featuring a two-stage oil seal structure for the shaft seal. It is also possible to use O-rings and oil seals made of Viton. It can operate with either V-belt drive or direct coupling. ● HSR Type <<3/8 to 1-1/2B>> This is a gear pump for lubricating oil transfer with a gland packing type shaft seal. It has also been successfully used for various paints and other applications. Kerosene - up to 0.3 MPa Heavy oil - up to 0.6 MPa Lubricating oil - up to 1.0 MPa

• Other conveying machines

● KB-type 1 to 6B The shaft seal is of the gland packing type. It is driven by a V-belt type or directly connected geared motor. Pressure up to 0.5 MPa. ● KB-S type 1 to 2.5B The shaft seal is of the oil seal type. This is a smaller version of the KB type with an oil seal. It can transport low viscosity oil up to 0.3 MPa.

• Other conveying machines

● HPR-M Type <<3/8 to 2B>> The shaft seal is a single mechanical seal type with a built-in safety valve. It is optimal for the transfer of various oils such as kerosene, A to C heavy oil, fuel oil, and lubricating oil, and is a powerful compact gear pump capable of withstanding high pressure and long continuous operation. Kerosene, A heavy oil - up to 1.5 MPa B, C heavy oil - up to 2.3 MPa Lubricating oil - up to 2.0 MPa

• Other conveying machines

If you are having trouble with liquid leaks or similar issues, please feel free to consult us.

• Other conveying machines

● VSR-M Type <<1-8B>> The shaft seal is of the mechanical seal type. It is a standard gear pump directly connected to a 4P motor with a built-in safety valve and designed for large capacity transfer. It has numerous achievements with various types of oil and uses ball or roller bearings for the bearings. It can handle liquid viscosities up to 200 mPa·s. Pressure: up to 0.5 MPa (ball bearing) up to 0.8 MPa (roller bearing) ● VSR Type <<1-8B>> The shaft seal is of the gland packing type. Pressure: up to 0.5 MPa (ball bearing) up to 0.8 MPa (roller bearing) ● VSR-BSM Type <<1-8B>> The shaft seal is of the mechanical seal type. It is a gear pump designed for the large transfer of low viscosity oils such as kerosene and diesel. Pressure: up to 0.3 MPa

• Other conveying machines

6P motor direct connection gear pump

• Other conveying machines

● OH-MG Type <<1-8B>> The shaft seal is a single mechanical seal type. It is an external bearing universal high-performance gear pump. It is capable of high-pressure transfer of non-lubricating liquids, as well as abrasive and corrosive liquids. There are numerous achievements in transferring waste oil, waste liquids, slurry-containing liquids, chemical digestion raw liquids, water, coagulants, etc. ● OH-G Type <<3/4-8B>> The shaft seal is a gland packing type. ● OH-S2G Type <<1-8B>> The shaft seal is a Teflon oil seal type. This gear pump is equipped with a Teflon seal type for hardened liquid measures on the external bearing OH type. It has proven results with resins and other materials.

• Other conveying machines

● CSB-S Type <<1/2 to 2 1/2B>> The shaft seal is an oil seal type, made of general-purpose all-stainless steel. It is a transfer gear pump driven by a V-belt or directly connected to a geared motor. It has a proven track record with corrosive liquids such as acids and alkalis. The oil seal is available in both Viton and Teflon types. ~0.3 MPa ● CSB Type <<1/2 to 2 1/2B>> The shaft seal is a gland packing type. ~0.3 MPa

• Other conveying machines

● KR-S Type <<3/8 to 1B>> This is a gear pump for kerosene, heavy oil type A, and various lubricating oils, featuring a two-stage oil seal structure for the shaft seal. It is also possible to use O-rings and oil seals made of Viton. It is primarily driven by a V-belt. Pressure: up to 0.3 MPa ● KR Type <<1/4 to 1B>> This is a gear pump for transferring lubricating oil with a gland packing type shaft seal. It has also been successfully used for various paints and other applications. Pressure: up to 0.3 MPa

• Other conveying machines