421RH <tab>Hose DN Zoll size mm OD MPa1 psi1 MPa2 psi2 Bend weight 421RH-20 31 1 1/4 -20 31.8 44.8 6.3 900 25.0 3600 420 1.19 421RH-24 38 1 1/2 -24 38.1 51.1 5.0 725 20.0 2900 500 1.49 421RH-32 51 2 -32 50.8 64.7 4.0 575 16.0 2300 630 2.23 Part Number Hose I.D. Hose O.D. Pressure Rating max. working pressure min. burst pressure min. bend radius weight DN Inch Size mm mm MPa psi MPa psi mm kg 421RH No-Skive Fire-retardant cover • No-Skive thin cover hose construction • Nitrile (NBR) core tube – extended fluid compatibility • Suitable for 48 series fittings • Fire-retardant cover • Railway approved: • European Standard EN 45545 HL2 for R22 (internal) and R23 (external) • ISO 15540 Primary Applications General medium-pressure hydraulic and pneumatic systems as well as water and oil cooling circuits Type Approvals For details please refer to catalogue C-4400/UK, pages Ab-16 to Ab-19 Applicable Specifications EN 853 1SN – ISO 1436 Typ 1 – SAE 100R1AT Construction Inner Tube: Nitrile (NBR) Reinforcement: One braided layer of high-tensile steel wire Cover: Fire-retardant synthetic rubber Temperature Range ............ -40 °C up to +100 °C Exception: Air .................................... max. +70 °C Water ............................... max. +85 °C Recommended Fluids Petroleum and water-glycol based fluids, lubricating oils, air and water. For air and gas above 1.7 MPa, the hose cover must be pin-pricked. Consult the chemical compatibility section in catalogue C-4400/UK, pages Ab-24 to Ab-32 for more detailed information. Fitting Series 48 The combination of high temperature and high pressure can reduce the hose life. Railway 421RH Parkrimp No-Skive Hose Medium Pressure up to 6.3 MPa Hose layline example
RkJQdWJsaXNoZXIy MzYzNzg=