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  6. Weldless piping "GS-Hydro System"

Weldless piping "GS-Hydro System"

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last updated:Jan 15, 2026

Nakanishi Shoji CO., Ltd. Tokyo branch
Nakanishi Shoji CO., Ltd. Tokyo branch
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A solution for the shipbuilding industry facing challenges due to a shortage of personnel! Time-saving work, high-quality evaluation, one of the solutions to the personnel shortage.

The retainer ring system of the "GS-Hydro System" is used for piping with a maximum allowable operating pressure of 350 to 400 bar. For special applications, it can be used at high operating pressures such as 690 bar. Extensive testing programs have demonstrated compatibility with high-pressure piping systems made from various materials. Additionally, the 37° flare flange system is suitable for high-pressure piping systems made from a variety of materials, ranging from carbon steel to tungum (UNSC69100 copper alloy). 【Features】 ■ A welding-free piping system that can be managed from design to construction ■ Reduces welding work time to one-third compared to conventional welding ■ Reduces training time for personnel to one-third compared to conventional welding ■ Welding-free solutions are possible for high-pressure, large-diameter sizes that require skill (maximum diameter: 300A) ■ Proven track record of implementation in shipyards and research institutions such as earthquake engineering research centers *For more details, please download the PDF or feel free to contact us.

    Piping Materials
溶接レス配管1.PNG

Weldless piping "GS-Hydro System"

溶接レス配管1.PNG
溶接レス配管1.PNG 溶接レス配管2.PNG 溶接レス配管3.PNG
  • Related Link - https://www.nakanishi-shoji.com/
  • Special site - Product/service details - https://pr.mono.ipros.com/nakanishi-shoji/product/

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basic information

【GS-Hydro System】 ■Retain Ring System ■37° Flare Flange System ■WOLFORM *For more details, please download the PDF or feel free to contact us.

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Applications/Examples of results

【Applications】 ■ Hydraulic piping for marine equipment from land-based plants ■ Alternative to welding techniques that require a high level of skill *For more details, please download the PDF or feel free to contact us.

catalog(15)

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GS-HYDRO GS-FLANGE SYSTEM (English version)

GS-HYDRO GS-FLANGE SYSTEM (English version)

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GS-HYDRO PIPES (English Version)

GS-HYDRO PIPES (English Version)

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GS-HYDRO CLAMPS (English Version)

GS-HYDRO CLAMPS (English Version)

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GS-HYDRO VALVES (English Version)

GS-HYDRO VALVES (English Version)

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GS-HYDRO TEST EQUIPMENT (English Version)

GS-HYDRO TEST EQUIPMENT (English Version)

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GS-HYDRO BITE TYPE FITTINGS (English Version)

GS-HYDRO BITE TYPE FITTINGS (English Version)

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GS-HYDRO JIC FLARE FITTINGS (English Version)

GS-HYDRO JIC FLARE FITTINGS (English Version)

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GS-HYDRO FLARING & GROOVING MACHINES

GS-HYDRO FLARING & GROOVING MACHINES

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GS-HYDRO END FORMING MACHINES

GS-HYDRO END FORMING MACHINES

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GS-HYDRO HOSE ASSEMBLING MACHINES (English Version)

GS-HYDRO HOSE ASSEMBLING MACHINES (English Version)

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GS-HYDRO TRACTO-TECHNIK BENDING MACHINES

GS-HYDRO TRACTO-TECHNIK BENDING MACHINES

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GS-HYDRO HYDRAULIC HOSES (English version)

GS-HYDRO HYDRAULIC HOSES (English version)

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GS-HYDRO STAINLESS STEEL HOSE COUPLINGS

GS-HYDRO STAINLESS STEEL HOSE COUPLINGS

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GS-HYDRO ONE-PIECE HOSE COUPLINGS

GS-HYDRO ONE-PIECE HOSE COUPLINGS

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GS-HYDRO CARBON STEEL HOSE COUPLINGS

GS-HYDRO CARBON STEEL HOSE COUPLINGS

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Company information

Nakanishi

Nakanishi Shoji CO., Ltd. Tokyo branch

Trading company/Wholesale

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Our company is a trading firm that handles industrial equipment parts. We sell components and devices including hydraulic equipment and systems, pneumatic and electric equipment, seals, high-pressure fittings, and high-pressure hoses. Additionally, we have developed and are selling the "NS Support," a device that supports the inner pipe of a double pipe system from the inside of the outer pipe in the fuel gas supply system for gas-fueled ships using LNG or LPG as fuel. Please feel free to contact us if you have any inquiries.

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