Danfoss HRE 4 4-way rotary mixing valve body (OEM designation "HRE 4 PN6 25/10 rotary 4-way Rp1"). A rotating-slide 4-way valve for mixing or diverting service in heating and district-heating circuits — the slide is turned through 90° by a Danfoss AMB rotary actuator (ordered separately) or by the manual handle. Valve size DN 25; PN 6; Kvs 10 m³/h m³/h; Internal thread connection (Rp 1); S characteristic flow characteristic; operating torque 5 N-m. Body Grey cast iron EN-GJL-250 (GG-25); cone DZR brass CuZn36Pb2AS (CW 602N); slide shoe DZR brass CuZn36Pb2AS (CW 602N); stuffing-box seal EPDM; port leakage 1.5 % Kvs. Maximum closing differential pressure 1 bar (mixing) / 1 bar (diverting). Media District heating/cooling circulation water — alternative Glycolic water up to 50%, 2 °C to 110 °C. OEM P/N 065Z0424. EAN 5710104033419. Technical data quoted verbatim from store.danfoss.com (code 065Z0424).