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Vacuum Pump×四葉機械製作所 - List of Manufacturers, Suppliers, Companies and Products

Vacuum Pump Product List

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Roots-type dry vacuum pump "VP Series"

Roots-type dry vacuum pump "VP Series"

Austenitic stainless steel with a high coefficient of thermal expansion (SCS13, 14, 16) is used for the gas connection components with a unique cooling method!

The "VP Series" is a Roots-type vacuum pump that uses austenitic stainless steel (SCS13, 14, 16) with corrosion resistance for the gas contact parts. It is suitable for the suction of not only condensable gases but also corrosive gases. The inlet diameter (D1) ranges from 50 to 125 mm. 【Features】 ■ Capable of handling solidification and polymerization within the pump ■ Can be manufactured using castable corrosion-resistant alloys (such as Ni-Cr-Mo alloys) ■ Available in five types to choose from based on usage conditions ■ Numerous successful implementations *For more details, please refer to the materials. Feel free to contact us with any inquiries.

  • Other pumps

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VP型ドライルーツ式　真空ポンプ　VPシリーズ

VP型ドライルーツ式　真空ポンプ　VPシリーズ

独自の冷却技術を用いた 多段ルーツ式真空ポンプ

【特徴】 ○ルーツ式で大気圧から入口締切りまでの全域で 　運転を実現し、使い易さを追求 ○ステンレス(SCS13.14.16)製真空ポンプの製作が可能 　その他の特殊材質についても対応可能 ○擬縮性ガスの吸引でも連続運転が出来ます。 ○真空ポンプケーシング内部の洗浄が容易に行える ○高温ガス130℃を直接吸引することができる(標準材・FC) ○吸引と同時に圧送ができる（特殊仕様により0.1MPa・Gまで可能） ○大気圧から締切り運転まで各真空度での連続運転が可能

  • CVD Equipment

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Vacuum Equipment Roots Type Dry Vacuum Pump VP3-2501

Vacuum Equipment Roots Type Dry Vacuum Pump VP3-2501

Solving the problems of dry vacuum pumps!

Multi-stage Roots-type vacuum pump using unique cooling technology from Yotsuba Machinery Manufacturing Co., Ltd. 【Features】 ○ Clean vacuum without sealing water or sealing oil in the exhaust ○ Operates across the entire range from atmospheric pressure to inlet shut-off with a Roots design ○ Direct cooling method developed based on proprietary technology Removes compression heat directly from the rotating rotor and casing jacket using coolant Maintains a constant clearance and stable vacuum level ○ Compatible with condensable gases ○ Supports solidification and polymerization within the pump ○ Addresses scale adhesion in the jacket section ○ No waste liquid treatment costs as no sealing liquid is used ○ Ideal for environmental measures such as ISO 14001 and PRTR ○ Compact design as each stage cooler is unnecessary due to direct cooling method ○ Capable of cleaning inside the casing.

  • Vacuum pump

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Vacuum Equipment Roots Type Dry Vacuum Pump VP Series

Vacuum Equipment Roots Type Dry Vacuum Pump VP Series

Ideal for the suction of corrosive gases!

A dry vacuum pump that uses austenitic stainless steel (SCS13, 14, 16) with a high thermal expansion rate for the gas connection components, utilizing a unique cooling method.

  • Vacuum pump

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High-capacity jacket type roots vacuum pump VP3-2501

High-capacity jacket type roots vacuum pump VP3-2501

Direct cooling method eliminates the need for each stage cooler, making it compact.

Solving the issues of dry vacuum pumps! Large-capacity Roots-type vacuum pump with a jacket design 【Features】 ○ Addresses solidification and polymerization inside the pump ○ Prevents scale adhesion in the jacket section ○ No waste liquid treatment costs as it does not use sealing liquid ○ Ideal for environmental measures such as ISO 14001 and PRTR ○ Compact design with direct cooling method, eliminating the need for additional coolers ○ Supports cleaning inside the casing ○ Optimal for CO, PSA, and solvent recovery

  • pump

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VP型ドライルーツ式　真空ポンプ　VPシリーズ

VP型ドライルーツ式　真空ポンプ　VPシリーズ

独自の冷却技術を用いた 多段ルーツ式真空ポンプ

【特徴】 ○ルーツ式で大気圧から入口締切りまでの全域で 　運転を実現し、使い易さを追求 ○ステンレス(SCS13.14.16)製真空ポンプの製作が可能 　その他の特殊材質についても対応可能 ○擬縮性ガスの吸引でも連続運転が出来ます。 ○真空ポンプケーシング内部の洗浄が容易に行える ○高温ガス130℃を直接吸引することができる(標準材・FC) ○吸引と同時に圧送ができる（特殊仕様により0.1MPa・Gまで可能） ○大気圧から締切り運転まで各真空度での連続運転が可能

  • pump

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Roots Type Dry Vacuum Pump VP Series

Roots Type Dry Vacuum Pump VP Series

Ideal for corrosive gases!

We have a proven track record of supplying dry roots vacuum pumps that utilize a unique cooling method to adopt austenitic stainless steel (SCS13, 14, 16), which is considered difficult due to its high thermal expansion rate, for the gas-contacting parts. Additionally, we can also manufacture castable corrosion-resistant alloys (such as Ni-Cr-Mo alloys). Users facing corrosion issues are encouraged to consider our solutions.

  • Vacuum pump

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Roots-type vacuum pump VP3-2501

Roots-type vacuum pump VP3-2501

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that utilizes unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates throughout the entire range from atmospheric pressure to the inlet shut-off using a Roots type, pursuing ease of use.

  • Vacuum pump

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Roots-type vacuum pump VPM13-101001 (special)

Roots-type vacuum pump VPM13-101001 (special)

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that uses unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates across the entire range from atmospheric pressure to the inlet shut-off using a Roots type, pursuing ease of use.

  • Vacuum pump

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Roots-type vacuum pump VMP13-30B2501

Roots-type vacuum pump VMP13-30B2501

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that uses unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates across the entire range from atmospheric pressure to the inlet shut-off using a Roots type, focusing on ease of use.

  • Vacuum pump

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Roots-type vacuum pump VP3-1501 (air-cooled)

Roots-type vacuum pump VP3-1501 (air-cooled)

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that utilizes unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates across the entire range from atmospheric pressure to the inlet shut-off using a Roots type, pursuing ease of use.

  • Vacuum pump

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Roots-type vacuum pump VP3-1501 (direct connection type)

Roots-type vacuum pump VP3-1501 (direct connection type)

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that utilizes unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates throughout the entire range from atmospheric pressure to the inlet shut-off using a Roots type, focusing on ease of use.

  • Vacuum pump

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High-capacity jacket type Roots vacuum pump - VP3-2501

High-capacity jacket type Roots vacuum pump - VP3-2501

Solve the issues with dry vacuum pumps! High-capacity jacket-type Roots vacuum pump. No waste liquid disposal costs!

【Features】 - Supports solidification and polymerization inside the pump - Addresses scale adhesion in the jacket section - No waste liquid treatment costs as it does not use sealing liquid - Ideal for environmental measures such as ISO14001 and PRTR - Compact design with direct cooling method, eliminating the need for multiple coolers - Supports cleaning inside the casing - Optimal for CO, PSA, and solvent recovery

  • Vacuum pump

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VP type vacuum pump

VP type vacuum pump

Reliable VP-type vacuum pumps that continue to meet the diverse needs of the industry.

The VP-type vacuum pump is a multi-stage roots dry vacuum pump that employs a cooling technology unmatched by other companies. The YKS direct inlet-target cooling method, which achieves tight operation in a roots configuration and enables high vacuum pumping, is a new cooling technology developed based on unique technology. In a roots vacuum pump, the rotors and the casing rotate without contact while maintaining a slight clearance. This results in the significant feature of being a "dry, oil-free type." However, the slight clearance necessary for non-contact rotation can decrease due to thermal expansion caused by gas compression heat, leading to eventual contact unless the rotors can remove the compression heat. Our developed direct inlet-target cooling method adopts a structure that directly cools the interior of the rotor with a coolant, thereby maintaining a constant clearance and stable vacuum level while providing numerous excellent features. In traditional cooling methods, the production of stainless steel vacuum pumps was impossible due to the large thermal expansion rate. By leveraging the excellent features of the direct cooling method, we have successfully developed a stainless steel vacuum pump that offers outstanding performance for the suction of corrosive gases.

  • Vacuum pump

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Roots-type vacuum pump VP4-651

Roots-type vacuum pump VP4-651

Our Roots-type vacuum pump is a multi-stage Roots vacuum pump that utilizes unique cooling technology.

Exhaust can achieve a clean vacuum without containing sealing water or sealing oil, similar to a sealed liquid vacuum pump. It operates across the entire range from atmospheric pressure to the inlet shut-off using a Roots type, pursuing ease of use.

  • Vacuum pump

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