Danfoss RTR-G high-flow radiator valve, OEM order code 013G7028 — a high-flow fixed-capacity thermostatic radiator valve (no presetting) sized for single-pipe systems where a large valve Kvs is needed to keep the pressure loss low. High capacity valve for 1-pipe systems. Nominal size DN 25, straight pattern, connection Rp 1 (inlet) / R 1 (outlet), Kvs 4.58 m³/h, max. working pressure 16 bar, test pressure 25 bar, max. differential pressure 0.16 bar, flow temperature up to 120 °C. Finish Nickel plated. It accepts an RA/RTR-series thermostatic sensor or actuator on the valve clamp connection. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 013G7028). OEM P/N 013G7028, EAN 5702425126246. Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.