400 Bar Test Point Hose 4MM ID

A 400 bar test point hose with a 4mm inner diameter (ID) is a specialized hose designed for connecting test point adaptors or fittings to pressure gauges, manometers, or other diagnostic equipment in hydraulic systems. These hoses are specifically engineered to withstand high-pressure conditions, making them suitable for hydraulic testing applications where pressures of up to 400 bar (approximately 5800 psi) may be encountered. The hose typically features a durable construction, often made from materials such as reinforced rubber or thermoplastic, to ensure resistance to abrasion, corrosion, and high-pressure conditions. The 4mm inner diameter (ID) indicates the size of the hose’s inner bore through which the hydraulic fluid flows.