It is a new surface treatment technology that supports ultra-clean technology.
**Features of GEP (Gold EP) and GEP-W (Gold EP White)** - Shuts out particle generation - Extremely low levels of metal ion elution, etc., due to a dense oxide film - Ensures reliability and safety even under high temperature and high pressure conditions - Applications in vacuum environments, etc. *For more details, please download the catalog or contact us.*
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basic information
- Shut out the generation of particles The contact surface is extremely smooth due to mechanical polishing, electro-polishing, and oxidation film treatment, and there is no generation of fine particles like porous PTFE. - Extremely low level of metal ion elution due to dense oxidation film [GEP] The iron oxidation film suppresses the elution of metal ions into supersaturated ozone water, hydrogen peroxide water, and IPA (isopropyl alcohol), which have a high dissolved oxygen content. [GEP-W] The chromium oxidation film suppresses the elution of metal ions into ultra-pure water, warm pure water, and organic amine-based resist stripping solutions. - Ensuring reliability and safety even under high temperature and high pressure conditions With mechanical strength and heat resistance comparable to general stainless steel products, reliability and safety are ensured even under harsh conditions such as high temperature and high pressure. - Applications in vacuum environments With superior elution resistance due to smoothness beyond electro-polishing, it is suitable for vacuum chambers. Excellent cleanability prevents particle adhesion. [Applicable products for GEP (Gold EP) and GEP-W (Gold EP White)] - Containers (parts of cleaning devices, pure water tanks, filter housings, etc.) - Piping and fittings - Valves - Pumps - Heat exchangers - Vacuum chambers - Other stainless steel products
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Applications/Examples of results
【Applications of GEP (Gold EP) and GEP-W (Gold EP White)】 - Semiconductor manufacturing - LCD manufacturing - Fine chemicals - Pharmaceuticals - Food-related - Other fields requiring ultra-clean specifications 【Uses of GEP (Gold EP) and GEP-W (Gold EP White)】 - GEP Ozone water, alcohols like IPA, clean chemical solutions, transfer of food, vacuum processing for CVD, etc. - GEP-W Transfer and circulation of ultra-pure water, warm pure water, organic amine-based stripping solutions, etc.
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Company information
Nikuni Co., Ltd. is a company (manufacturer) engaged in the development, production, and sales of pumps. In particular, we focus on the development, production, and sales of products centered around vortex turbine pumps, as well as the development, production, and sales of devices that improve the environment within factories by incorporating pumps (such as coolant systems and filtration systems). Pumps are the heart of devices and equipment. As a precision machinery manufacturer, Nikuni has been producing high-precision, high-quality components for many years. Utilizing our machining technology, Nikuni produces pumps with precision that exceeds the norms of general pumps (such as perpendicularity, parallelism, concentricity, and runout), resulting in pumps that pursue high precision and high quality. To prevent issues, we conduct a full inspection of all pumps before shipment, ensuring that only those that meet Nikuni's quality standards are shipped. Nikuni manufactures and sells products so that everyone involved with pumps can use them with confidence.
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