din en 856 4sh drive over a concrete pump hose with
EN 856 4SH Hydraulic Hose (4SH) 4-wire spiral hydraulic hose with higher working pressure than SAE 100R12. HJK Hydraulic Jack Hose (HJK) 10,000 PSI constant-pressure hydraulic jack hose. SAE 100R4 Suction and Return Hose (R4) Suction and return hydraulic hose, rated for vacuum up to 25'/hg.
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