This EH series is interchangeable with PARKER 3000 SERIES, STUCCHI IV-HP SERIES, FASTER PVSM SERIES, CEJN 232 SERIES, DIXON T SERIES, DNP PVS SERIES, HANSEN WA56000 SERIES, and SAFEWAY S30 SERIES. Steel Product. These screw-to-connect couplings are engineered for ultra-high-pressure applications. Featuring a durable metal-to-metal sealing ball valve, these ISO 14540-compliant couplings deliver exceptional performance in demanding hydraulic systems.