421SN - Parker Hydraulic Hose

Parker 421SN Hydraulic Hose – Reliable Medium Pressure Solution

The 421SN is a robust hydraulic hose engineered for medium pressure systems across diverse industrial applications. Featuring no-skive thin cover construction and a Nitrile (NBR) inner tube, this hose delivers exceptional performance and fluid compatibility.

Key features:

• No-skive thin cover construction for flexibility and durability
• Nitrile (NBR) inner tube – extended fluid compatibility
• Designed for general medium pressure hydraulic applications

Recommended fluids:

• Hydraulic fluids on a mineral-oil basis
• Water-glycol and lubricating oils
• Air and water

Important note: For air and gas applications with pressure exceeding 1.7 MPa, the cover must be pin-pricked. Consult the chemical resistance table in the documentation for additional media information.

The 421SN is available in various sizes and fitting series to match your specific requirements. Using genuine Parker hoses ensures optimal performance, sealing integrity, and extended service life even in demanding high-pressure and high-temperature environments.