Spiral hydraulic hose
Alfagomma Flexor spiral hydraulic hoses are available in sizes from 1⁄4 to 2 in. Four-wire -12 is rated for maximum working pressures from 17.5 to 28 MPa (2500 to 4000 psi). Four-wire 4SP is rated for pressures of 28 to 45 MPa (4000 to 6550) psi. Four-wire 4SH is rated for maximum working pressure of 25 to 42 MPa (3650 to 6000 psi). Four- or six-wire -13 is rated for maximum working pressures of 35 MPa (5000 psi).