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  5. Concrete Machinery
  6. Mortar mixer with variable speed from low to high rotation, tailored to the material.

Mortar mixer with variable speed from low to high rotation, tailored to the material.

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Inverter Variable Speed Mortar Mixer - High-Speed Mortar Mixer STH Series

last updated:Sep 02, 2026

岡三機工
岡三機工
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Adjust the rotation speed with proven blades! A mortar mixer that can be used for "on-site mixing" with fast-setting, early-strength, and high-strength mortars!

Our company is a specialized manufacturer of machines for the civil engineering and construction industry, focusing on "mixing and delivering" products such as mortar pumps and grout mixers. We offer a wide range of mortar pumps and mortar mixers, providing products that cater to various civil engineering and construction methods. If you are experiencing issues such as excessive mixing time with general-purpose mortar mixers, which prevents you from shortening construction time, or if you are dealing with clumps in the materials that are unavoidable with mortar mixers, we encourage you to try our high-speed mortar mixer STH series. Currently, we are offering a comprehensive catalog of on-site mortar mixers, including the latest model, the high-speed mortar mixer STH series, for free.

    Concrete Machinery
STH-N4.5H_550.png

Mortar mixer with variable speed from low to high rotation, tailored to the material.

STH-N4.5H_550.png
STH-N4.5H_550.png STH_Wing.png IPROS_ミキサーAシリーズ_開ければ止まる.png IPROS_ミキサーAシリーズ_センサ検知.png IPROS_ミキサーAシリーズ_メッシュカバー.png IPROS_ミキサーAシリーズ_電装.png
  • Okasan Machinery Official Site
  • Special site - Product/service details - https://pr.www.ipros.com/okasankikou/product/

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basic information

■Inverter Variable Speed High-Speed Mortar Mixer STH Series Mixing is done at "low to high rotation" to match the materials. Feature 1: The high-speed side can be adjusted to 60 rpm, which is about 200% compared to conventional models, while the low-speed side can be adjusted to 10 rpm, which is about 30% compared to conventional models (compared to our products). Feature 2: It comes standard with a function that stops the mixer when the lid is opened and an emergency stop switch. Feature 3: You can choose from two sizes, 100L mixing and 150L mixing, to suit your construction needs.

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Applications/Examples of results

Mortar mixing for the civil engineering and construction industry.

catalog(1)

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Mortar Mixer Variation Catalog Vol. 3

Mortar Mixer Variation Catalog Vol. 3

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A mortar mixer that can be used for "on-site mixing" such as quick-setting, early-strength, and high-strength mortars! This is the variation catalog Vol. 3 featuring our latest models.

  • Product news

Our company is a specialized manufacturer of machines for the civil engineering and construction industry, focusing on "mixing and delivering" equipment such as mortar pumps and grout mixers. In particular, we offer a wide range of mortar pumps and mortar mixers, providing products that cater to various civil engineering and construction methods. Currently, we are offering a comprehensive catalog of on-site mixing mortar mixers, including the latest model from the manufacturer, the "High-Speed Mortar Mixer STH Series," free of charge.

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岡三機工

岡三機工

Building materials, supplies and fixtures manufacturers

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We are deeply embedded in the construction and civil engineering industry through the manufacturing of machines that "mix" and "deliver" various cement-based and resin-based materials, as well as the sale of related products. Primarily focusing on mixers for mixing and pumps for delivery, we develop products with a site-oriented approach, such as flow meters that enhance the reliability of on-site mixed materials and wireless remote control units that improve work efficiency. We are a specialized manufacturer of mortar mixers, grout mixers, mortar pumps, and grout pumps. Mortar pumps are also referred to as squeeze pumps or tube pumps and are utilized in injection work, pressure delivery work, and spraying work. Our sales bases are located in Tokyo, Nagoya, Osaka, and Fukuoka, while design and manufacturing are conducted at our Osaka factory. Experienced sales personnel assist customers with product selection, specification discussions, and delivery.

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